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Steve Wyborney ( Number sense Whole Group with inde practice) 

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Steve Wyborney ( Number sense Whole Group with inde practice) 

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Steve Wyborney\\\'s Blog: I\\\'m on a Learning Mission.

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Steve Wyborney's Blog: I'm on a Learning Mission

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Steve Wyborney is on a learning mission to spread math joy to classrooms everywhere! On this blog you'll find math resources for teachers and for kids of all ages.

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Welcome to America's Battle of the Books

America's Battle of the Books is a reading incentive program for students in 3rd thru 12th grades. Students read books and come together, usually in groups, to demonstrate their abilities and to test their knowledge of the books they have read. The student competitions are usually similar to the TV series Family Feud or Whiz Kids styles of competitions. However, the structure, format, and rules of the competitions may vary depending on the educational goals, student needs, local resources, and personal preferences at various school sites, school districts, county libraries, or offices of education.

America's Battle of the Books (ABB) offers resources to students, parents, schools (public or private), librarians, home schools, and international schools.

Our resources include:

Questions to our books lists (membership required)

A Starter Kit for Battle of the Books participants

Forms, logos, and video on how to get started in our thumb drive 'Starter Kit'

The 'how to' in operating 'a battle' in your area or at your school site

Listing of possible sponsors and resources

Contacts to support and increase your success at your battles

ABB Membership

Free technical support and information

Various types and grade-level booklists (see Selection of Titles)

We are a 'membership organization' and to order questions each school or organization must become a member. All our questions are free with memberships. If you would like to sponsor or help organize a state-wide competition in your particular state, please contact us. America's Battle of the Books is operated by a volunteer staff of educators and librarians; and our logo, questions, program, and competition format are copyrighted. No individual or entity (other than our current members) may use any of our materials or duplicated our materials without our written permission.

The inexpensive membership fee (between $50.00 and $60.00 for a set of questions) for whatever book list you are requesting is designed for many types of groups, schools, or libraries (small or large); there is no charge for questions for any of our booklists or a charge for the number of students participating. All of our resources are free, except for the 'Starter Kit'-a donation is requested. ABB offers three levels of questions: local/site, district/county, and area/state competitions (there is a slightly greater cost of membership for district or state questions, and permission from ABB is required before ordering these rounds of questions). Members are not required to compete in any county or state competitions. Please click-on ABB Memberships (Order Form) to find more details on how to order and what is available to our members.

If you have any questions or would like more information please browse our website, email us at awentland@battleofthebooks.org, or contact us by phone at 661.248.1009 PST.

Sincerely-the staff at America's Battle of the Books

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Welcome to America's Battle of the Books America's Battle of the Books is a reading incentive program for students in 3rd thru 12th grades. Students read books and come together, usually in groups, to demonstrate their abilities and to test their knowledge of the books they have read.

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In-School Mock Trial Mini Units - Discovering Justice

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Mock Trial Mini Units OUR PROGRAMS In-School Mock Trial Mini Units: Grades 1-5 Discovering Justice’s Mock Trial Mini Units are designed to help teachers bring civic knowledge, skills, and dispositions to their elementary classrooms through a two-week interactive unit, during which student lawyers work to analyze, build, and argue a case. Discovering Justice has worked […]

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We knew this question would spark lively debate among readers. School is a big part of life, not just for kids but for their families and for educators, too. Everyone has an opinion about what's best for students. And they...

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Can a neural network learn to recognize doodles? See how well it does with your drawings and help teach it, just by playing.

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Famous children's performer Carmike Cunningham recorded a special television program for the holiday season. It aired a number of different times this week, each at a different time and on a different channel. Using only the clues below, match each airing to its time, channel and day of the week, and determine how many TV viewers each airing pulled in.

Remember, as with all grid-based logic puzzles, no option in any category will ever be used more than once. If you get stuck or run into problems, try the "Clear Errors" button to remove any mistakes that might be present on the grid, or the "Hint" button to see the next logical step in the puzzle.

Use this area to record notes that may assist you in solving the puzzle.

This grid will auto-populate with all the true relationships you've created on the top 5 rows on the grid. Once this table is fully populated you will be able to submit your solution.

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Famous children's performer Carmike Cunningham recorded a special television program for the holiday season. It aired a number of different times this week, each at a different time and on a different channel. Using only the clues below, match each airing to its time, channel and day of the week, and determine how many TV viewers each airing pulled in.

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Play KenKen Math Puzzles - Free Math Games & Logic Puzzles!

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″“I love this puzzle” Will Shortz, NY Times puzzle editor

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Need a little fun and games? We're so glad you stopped by. Play whatever games you like, then come back soon and see what's new!

Play more games at

Tired of online games? Did you know that Mensa annually recognizes five new-to-the-market games with our Mensa Select® seal? Games receiving this distinction include SET™, Scattergories™, Trivial Pursuit™ and Taboo™. Find out more about these and other Mensa Select® winners on our Mind Games website.

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With in-person games rooms happening at gatherings and meetings around the country, is it any wonder that we have a virtual games room on our website? Our members love to be challenged and to learn, and yes, some even need a bit of a distraction from work.

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Sponsored by the Mensa Foundation, Mensa for Kids provides free resources for teachers and parents of gifted youth.

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A number of self marking quizzes based on the fascinating Fibonacci Sequence.

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GeoGuessr is a geography game which takes you on a journey around the world and challenges your ability to recognize your surroundings.

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The Kid Should See This: Educational videos for curious kids of all ages, a free resource for parents & teachers. Science, art, nature, animals, & more.

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Most Recent Episode

In an interview from 2002, Jane Goodall gave Ira a lesson in how to speak with chimps. Plus, highlights from the 33rd First Annual Ig Nobel Prize Ceremony, which celebrate the silly side of science. And, stories that share the research of a few Ig Nobel winners.

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Science Friday is your trusted source for news and entertaining stories about science. It's brain fun for curious people

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Learn how to play numerous games that are related to, inspired by, or similar enough to Chess.

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Nomean City is in Level Negative Three of the Absurd Math Dimension. A powerful being has been captured by a cult of pollution makers and you must help save this creature and the mathematical knowledge it holds. Click to play.

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REBUSESHow smart are you?Try to guess what each figure says and enter it. then check your answers with mine.Use the TAB key to move to next item, and Shift TAB to move back.
Definition: Rebus = (n.) A mode of expressing words and phrases by pictures of objects whose names resemble those words, or the syllables of which they are composed; enigmatical representation of words by figures; hence, a peculiar form of riddle made up of such representations.
The oldest reference that I could find on Rebuses is dated 1777!

Note: These may take some time to load, so be patient.
If you wish to hear some music while you work please click here.
When you have tried to solve them, you will find instructions on how to see all the answers below.
If you are definitely stumped by an individual puzzle, you may peek at individual answers by clicking on the puzzle! But don't cheat!

Thank you. Enjoy.

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written by Robert Abbott

The following are pointers to everything that is on this site.

Most of the mazes on this site are pretty complicated—so, here are some easy mazes you might want to try. You can start with Easy Maze 1 and then follow the pointers to the other mazes, or you can go directly to Easy Maze 2, 3, 4, or 5.

There are 12 interactive mazes here. They use a simple concept—you travel to a square that has either the same symbol or the same color as the square you just left—but there are added complications and some of the mazes are very tricky.

These mazes are currently being used as a contest by the Catalan Culture Ministry. See the note at the end of the instructions.

This is a series of twenty interactive mazes that I created and programmed in JavaScript.

These are called "Alice" mazes because they recall the scene in Alice in Wonderland where Alice eats a piece of cake with the sign "Eat Me" and grows larger, then she drinks from a bottle marked "Drink Me" and becomes smaller. These mazes won't make you larger or smaller, but the distance you travel in a move will get larger or smaller.

This is programmed in Java by Oriel Maxim and is based on a maze from my book SuperMazes. It is very difficult. There is only a single layout, mostly because I haven't been able to design a second layout (creating that first layout was hard enough). But at the bottom of the Sliding Door page, I refer to a series of similar mazes by Jorge Best. There are twelve layouts in that series.

These are four mazes by Andrea Gilbert. You will be able to try both a non- interactive version and an interactive Java version of each maze. (And I try to explain why anyone would want both a non-interactive version and an interactive version of a maze.) There is also news about a walk-through version.

These are the first programs I wrote in JavaScript, and the mazes have been on this site since time immemorial (that is, 1999). There is a small 5x5 number maze (it's a recent addition that is part of the "Five Easy Mazes" section), there is a 6x6 maze that is still fairly easy, and there is a fairly difficult 7x7 maze. There is also the quite difficult, but interesting, Changing-Rule Number Maze and the way-too-difficult No-U-Turn Number Maze. Someday I should add a solution to that last maze.

Another interesting part of this web site is a collection of rolling-block mazes. For the most part, these mazes are not interactive. Instead, you're asked to print the maze, tape some dice together to form a weirdly- shaped block, then roll the block across the maze. The mazes were created by many different people in the kind of collaborative effort that could only happen on the Internet.

I also have a collection of rolling-cube mazes. These involve rolling a single die across a page. They were predecessors to the rolling-block mazes.

I call this a maze, but it could also be called a piece of performance art. Once it gets started, there can be about 30 people carrying forms between bureaucrats seated at five different desks. The forms give you a limited choice about which desks to go to, and if you make the right choices, you'll reach the goal (though at the beginning you don't even know what the goal is). Here is my write-up of the maze.

This maze has been tried a few times by me and other people. Wei-Hwa Huang ran a variation that he disguised as a registration process. The participants did not even know they were in a maze (at least, not at first). Eric Shamblen turned a variation of the maze into an on-line program that you can play on your own. The Bureaucratic Maze may (or may not) appear again at some time in the future.

This is a maze of mine that appeared on the cover of GAMES magazine— the issue of December, 2006. It's a little like the Eyeball Mazes, but with hexagons instead of rectangles. It is, however, an advance for me because for the first time I was able to use real art in a maze.

What I had submitted to GAMES was an abstract maze drawn on a grid of hexagons. Jim Malloy, the magazine's art director, came up with a theme for the maze and he created the art for the cover. I then programmed an interactive version of the maze and I incorporated Malloy's art. It looks quite good. And not only that, if you solve the maze, the program has a winning display where all the stars twinkle. I can stare at that for hours (well maybe at least two minutes).

My interactive version is on the GAMES site, at this location.

There are now three ways to play these mazes. The first is a modification of Toby Nelson's original Java applet, which you can play on the Theseus page of this site. The applet has three training levels to help explain the mazes, then seven fairly tricky levels. It should take you about a week to get through those seven levels, and they provide a good introduction to the game.

Second, there is the Kristanix download. This has 87 large-screen levels for computers. Its price is $9.95, but you can download the entire game for free, then play it for a while before you decide whether to buy it.

Third, there is the version for the iPhone and the iPod Touch. It has the same 87 levels and only costs $3.99. There is also a free version, Theseus Lite, that has a sampling of levels from the full version.

The Theseus page has more about the three ways of playing these mazes. It also has a long history of the mazes, which goes back to my original print version in 1990. There is also a discussion of Toby Nelson's layout- generating program, and there is an amusing updating of the Theseus myth.

My mail-order page is at this address. There used to be more here, but now everything is sold out, except for my booklet Auction 2002 and Eleusis. Auction is the latest revision of an old card game of mine, and it was presented in Games magazine (in the issue dated April, 2002).

Be sure to visit my page of links. It has pointers to the sites of others who are working with this form of maze. There are also pointers to other game and puzzle sites.

Articles, essays, reviews, and a lecture:

Some of these articles generated many e-mail responses, some of which I added to the end of the article. Often, the responses are better than the article itself.

Walk-through logic mazes first appeared on farms, but they are now spreading to cities. Logic mazes appeared in June 2009, at the World Science Festival Street Fair in Manhattan, in January 2010, at Mathematics Games Day at a school in Hong Kong, and in May 2010, at FESTIMATE in Lima, Peru. Here is a write up of these three events. Similar events are being planned for the future.

The basic purpose of these festivals is to show kids the fun side of mathematics and logic. They usually have tables or booths with collections of small puzzles. And they can also have some very large puzzles, like one of my walk-through mazes or one of Andrea Gilbert's mazes.

There are now hundreds of these mazes, and this provides some help in sorting through them.

This starts out like a journal, but then I get into reviews (good and bad, but mostly bad) of various mazes. I explain what they do right and what they do wrong, and I give my own opinion of what a maze should be. I have a brief history of the rise and fall of wooden fence mazes, and I think I have a good explanation of why they disappeared. I also warn that cornfield mazes could suffer the same fate.

This is an old article (from 1998) that gives my thoughts and some recommendations on full-size (conventional) mazes you can walk through. The article is mostly about fence mazes. Fence mazes are great, but there aren't many of them left.

This is a short write-up of a hedge maze—the only large (well, fairly large) hedge maze in America. We are way behind England in this regard.

This article is something of a "non-believer's guide" to sacred labyrinths. I argue that single-path labyrinths are interesting even if you aren't on a spiritual quest. The article was inspired by Annette Reynold's beach labyrinth, shown here.

This is something of a rant. It's about a labyrinth with a strange echo effect at its center. At first, I thought this effect was a magic trick some New Age whackos had added to fool people into accepting their beliefs. And what made me really mad was I couldn't figure out how the trick was done. Well, the truth was more complicated (and weirder) than I thought. After I posted the essay, I received several letters (also posted here) that explain how the trick is done—and it isn't really a trick.

I've always had questions about plane geometry and symbolic logic, questions like: what exactly is an axiom and how many logics can there be. I think I stumbled on some answers to these questions in my work with mazes. I put my ideas together in a 10-minute lecture that I presented on March 16, 2006, at the Gathering for Gardner (it's a conference for people involved in various forms of recreational mathematics). I've also posted the text here.

Spoiler alert: in order to illustrate some points in the lecture, I show the solution to a maze I worked on. This is the Twisty Maze. You might want to try it before you read the lecture and see the solution.

At our house we used to watch Numb3rs every week, and we were excited when they had an episode devoted to logic mazes. They got a few things wrong, but that is unavoidable in any television show. I wrote a discussion of the episode and complained—a lot—about the mistakes, but I still think it was a great show.

This is an essay I posted in 2001. It gave my opinion of today's video games, and it became rather famous. The "incredibly stupid" part really just referred to modern video games. I contrasted these games with the great video and arcade games of the 1970s and 80s, and I lamented that the classic games had all but disappeared. Recently there has been renewed interest in the old games, and at the bottom of the first page, I added a postscript about this renewed interest.

This has a review of Dave Phillips' new maze book, along with two mazes from the book that you can solve here. There is also a review of a book that has nothing to do with mazes, but I wanted to review it anyway.

This is an article of mine that appeared in the April, 2010, issue of GAMES Magazine. I argue here that Klondike solitaire generates interesting puzzles, and I also present a strategy that lets you win one out of three games. Of course, it may be that the world doesn't really need a strategy that helps people win more games of solitaire.

And finally:

I have an explanation (sort of) of the term "Logic Mazes."

My site has reviews of my books SuperMazes and Mad Mazes. These reviews have some samples of mazes you can try solving.

Maa.org, the web site of the Mathematical Association of America, has an article on Multi-State Mazes. It has a lot of nice things to say about me and about this site.

Serhiy Grabarchuk's Age of Puzzles has a page about me. The page includes a long discussion of a 3D maze of mine that was in Martin Gardner's column in 1963. When he was young, Serhiy was impressed with that maze and built a transparent model of it. With various tilting and nudging, you can coax a ball through the model. It would be great if someone manufactured this, but that's unlikely to happen.

PuzzleMonster.com has an interview with me along with review of this site.

Before I became entranced with mazes, I used to invent card games and board games. Here is a section devoted to my games.

To send me an e-mail, please use this address:

Unless otherwise noted, all material on this site is copyright © 2011 by Robert Abbott.

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written by Robert Abbott The following are pointers to everything that is on this site. Most of the mazes on this site are pretty complicated-so, here are some easy mazes you might want to try. You can start with Easy Maze 1 and then follow the pointers to the other mazes, or you can go directly to Easy Maze 2, 3, 4, or 5.

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FutureMe: Write a Letter to your Future Self

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Write a letter to the future and read the public (but anonymous) letters from others. FutureMe has been delivering letters to the future for millions of people since 2002.

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An advanced and easy-to-use 2D/3D home design tool.
Join a community of 96 746 864 amateur designers or hire a professional designer.

Home Design Made Easy

Just 3 easy steps for stunning results

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Use the 2D mode to create floor plans and design layouts with furniture and other home items, or switch to 3D to explore and edit your design from any angle.

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Edit colors, patterns and materials to create unique furniture, walls, floors and more - even adjust item sizes to find the perfect fit.

Visualize & Share

Use the Renders feature to capture your design as a realistic image - this adds shadows, lighting and rich colors to make your work look like a photograph!

Create Anywhere, Anytime

We cover all platforms with full synchronization between them!

Created for Amateurs

Use Planner 5D for your interior house design needs without any professional skills

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Use the Renders feature to capture your design as a realistic image - this adds shadows, lighting and rich colors to make your work look like a photograph!

2D/3D Modes

Experiment with both 2D and 3D views as you design from various angles. Arrange, edit and apply custom surfaces and materials.

5000+ Item Catalog

Explore our project gallery and browse our content. We have something great in store for everyone in our user-generated library.

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The intuitive and user-focused interface provides an easy design process without any tutorials or instructions.

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Apply custom colors, patterns and materials to furniture, walls and floors to fit your interior design style.

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Be a part of a growing community. Upload and customize projects. Get inspired by designs created by other users.

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Planner 5D: House Design Software | Home Design in 3D

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An advanced and easy-to-use 2D/3D house design tool. Create your dream home design with powerful but easy software by Planner 5D.

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‪Circuit Construction Kit: DC - Virtual Lab‬

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Circuit Construction Kit: DC - Virtual Lab is an interactive sim. It changes as you play with it. It has a Play Area and a Control Area.

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Explore fractions while you help yourself to 1/3 of a chocolate cake and wash it down with 1/2 a glass of water! Create your own fractions using fun interactive objects. Match shapes and numbers to earn stars in the fractions game. Challenge yourself on any level you like.

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Explore how heating and cooling iron, brick, water, and olive oil adds or removes energy. See how energy is transferred between objects. Build your own system, with energy sources, changers, and users. Track and visualize how energy flows and changes through your system.

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Build your own system of heavenly bodies and watch the gravitational ballet. With this orbit simulator, you can set initial positions, velocities, and masses of 2, 3, or 4 bodies, and then see them orbit each other.

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Build equivalent fractions with different denominators. Match shapes and numbers to earn stars in the game. Challenge yourself on any level you like. Try to collect lots of stars!

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Games and Simulations | Center for Science Education

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The UCAR Center for Science Education develops state-of-the-art educational experiences that connect NCAR|UCAR science including weather, climate, air quality, and the Sun-Earth connection, to diverse learners, creating pathways towards a scientifically literate society.

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Create or Play Brain Games & Online Puzzles: ProProfs

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Play exciting brain games and puzzles online or create your own unique mind games with ProProfs Games.

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Official website of the Smithsonian, the world's largest museum and research complex, with 19 museums, 9 research centers, and affiliates around the world.

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Fact Monster - A Trusted Reference Site for Kids

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Fact Monster is a free reference site for students, teachers, and parents. Get homework help and find facts on thousands of subjects, including sports, entertainment, geography, history, biography, education, and health.

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HippoCampus - Homework and Study Help - Free help with your algebra, biology, environmental science, American government, US history, physics and religion homework

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The best multimedia instruction on the web to help you with your homework and study.

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As the user of a word processor, you have access to the program's Outline feature, which you may find useful. It's often found on the View or Tools menu. Once you become familiar with it, the outliner can help you establish and arrange complex organizational categories and subcategories.

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Paradigm Online Writing Assistant - Paradigm Online Writing Assistant

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A community for students and teachers of writing

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Note-Cliff Notes ™,Cliffnotes ™,Cliff's Notes ™ are registered trademarks of John Wiley & Sons, Inc. We have no relation, other than as a distributor.

is a "G" rated study resource for junior high, high school, college students, teachers and home schoolers. What does PinkMonkey offer you? The World's largest library of free online Literature Summaries, with over 460 Study Guides / Book Notes / Chapter Summaries online currently, and so much more. No more trips to the book store; no more fruitless searching for a booknote that no one ever has in stock!
You'll find it all here, online 24/7!

To access the content and explore our other offerings, simply click on a link from the navigation menu on the left side.

A special note to Parents & Teachers:
You can feel safe in referring this site to your friends, students and children. PinkMonkey.com is a "G" rated site. You will not find the adult content or themes which have become so common to other teen "education" sites on the Internet.

Note-Cliff Notes™,Cliffnotes™,Cliff's Notes™ are registered trademarks of John Wiley & Sons, Inc. PinkMonkey.com has no relation, other than as a distributor of Cliffnotes.

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460+ Free Book Summaries and Study Guides

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PinkMonkey.com - 460+ Free Online Book Summaries. Hundreds of Study Guides on Demand 24/7.

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Online Education & Learning Resource

iKnowThat! is an online learning resource for students, professionals, and life-long learners. We review test preparation courses and certification study materials, so you can continue your education and start your career on the right track.

Here are some of the most popular college entrance & professional exam courses.

About iKnowThat!

iKnowThat! was developed to help students learn and become more confident in their studies.

Our Test Prep Course Reviews & Resources

We publish guides and resources to help students and professionals. Whether you are just starting your career, looking for the next big promotions, or simply applying to college, we have educational resources for you. Here are some of our most popular career path resources.

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iKnowThat! - Test Prep Reviews & Online Course Guides

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iKnowThat! Test Prep Reviews Online Education & Learning Resource iKnowThat! is an online learning resource for students, professionals, and life-long learners. We review test preparation courses and certification study materials, so you can continue your education and start your career on the right track. Here are some of the most popular college entrance & professional ...

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Best Paper Airplanes .com is a free site that illustrates how to make unique folded paper planes that you'll find nowhere else - because these ten models are original, copyrighted designs. Some are easy to make, some are flying origami as well as paper aircraft, but all these paper aircraft are fun to fold and fly.

A note about how to make these paper airplanes: As you are folding each model plane according to the instructions, remember that a simple dashed line is a "valley fold" (the paper goes down where that line is, and up on both sides of that line) and a dashed-and-dotted line is a "mountain fold" (the paper goes up along that line). For a paperfolding tutorial see The eight fold way or Wikipedia.
Teachers or students, may wish to look at NASA's Aerospace Activities and Lessons page. Also, for safety, you may wish to blunt the nose of some of these paper airplanes slightly so that they can't possibly hurt anyone. New evidence shows that obtaining legal representation is in your best interest should you ever encounter a legal issue. If this happens to you, you will want the best lawyer around.
Here's how to make our best paper airplane designs:

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Paper Airplanes - the best origami paper planes to fold and fly

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The best paperairplanes in the world; how to fold and fly simple or complex origami planes. Clear instructions and diagrams!

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Diffen - Compare Anything. Diffen. Discern. Decide.

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Compare anything to find similarities and differences. Diffen is the largest collection of unbiased comparisons in the world. Read, improve or create comparisons.

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Learn about, perform, play with, and listen to music.

CalebHugo.com is for people who want to participate in and learn about sound. If you know nothing about it, start out with " Games" or click on the " Learn" section. You can also Learn How to Sing Harmony,even if you can't read notation. If you know plenty about it, check out the academic writing. If you play an instrument, see if Caleb has written something for yours in the " Sheet Music" section. If you're interested in opinions about art, get Caleb's in the " Musings" section. Or just listen to songs.

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Music Interactive - Play games, Study, Listen - calebhugo.com

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A site for participating in and learning about music. From games to sheet music, no matter your knowledge or ability, there is something for you here.

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Curious and Wondrous Travel Destinations - Atlas Obscura

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Definitive guidebook and friendly tour-guide to the world's most wondrous places. Travel tips, articles, strange facts and unique events.

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CodeCombat: Learn to Code by Playing a Game

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Learn typed code through a programming game. Learn Python, JavaScript, and HTML as you solve puzzles and learn to make your own coding games and websites.

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Scratch is a free programming language and online community where you can create your own interactive stories, games, and animations.

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CodeCombat: Learn to Code by Playing a Game

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Learn typed code through a programming game. Learn Python, JavaScript, and HTML as you solve puzzles and learn to make your own coding games and websites.

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1,718,111,282

Hours of Code Served

A global movement in 180+ countries.

16,524 events registered so far in 2023.

Your class or group can join millions around the world doing the Hour of Code! Registration for the annual Computer Science Education Week celebration begins in October. Though, Hour of Code is available year-round.

Register your Hour of Code

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Use computer science to explore and learn about AI!

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The Kid Should See This: Educational videos for curious kids of all ages, a free resource for parents & teachers. Science, art, nature, animals, & more.

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Do you prefer the vibrant changing colors of fall, or the warm summer air? Maybe it's the crisp white snow, or the new spring flowers? Investigate the chemistry that gives each season its distinct characteristics.

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AACT is a professional community by and for K-12 teachers of chemistry

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Vi Hart likes triangles! AND APPLES! All videos are available to download, or play at full quality without ads, at vimeo.com/vihart Feel free to share, show, and otherwise do non-commercial things with any of my videos. My personal website: vihart.com Secret channel: http://www.youtube.com/vihartvihart I do not have instagram, tiktok, or twitter.

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(Challenge #) Challenge Title

Algebra

Equations, linear

(8)Stamps, (30)Smiles,(58)Gone Fishin',(74)The Race

Modeling problems

(1)Line Up!, (29)Salaries,(42)Rose Bowl,(44)Table for 19,(77)Movie Money, (80)Gifts Galore

Patterns, representing

(6)Which Way?, (8)Stamps,(11)Play Ball!,(41)Radar Bills, (80)Gifts Galore

Problem Solving using Symbols

(21)Body Mass,(30)Smiles, (58)Gone Fishin',(60)Number Tricks

Representations, comparing

(7)Double or Not,(11)Play Ball!,(21)Body Mass,(29)Salaries, (60)Number Tricks

Geometry

2-D and 3-D figures, properties

(3)Popcorn, (4)Don't Fall In,(15)Big Trees,(35)Fire Hydrant,(54)Cut the Cake,(55)Decorating Boxes,(76)Visualizing

2-D representations of 3-D figures

(9)Mirror Mirror,(40)Putt-Putt, (54)Cut the Cake,(55)Decorating Boxes,(57)Envelopes

Connections to other disciplines

(3)Popcorn, (4)Don't Fall In,(5)Upside Down?,(37)Map Colors,(43)Seeing Stars,(51)Bar Codes,(56)Drip Drops, (62)Keeping Cool

Geometric models of algebraic concepts

(45)Three Squares,(46)Time Zones,(54)Cut the Cake

Networks

(6)Which Way?

Scale Drawing
(61)Statue of Liberty

Similarity/Congruence

(59)Japanese Floors, (61)Statue of Liberty

Transformations

(5)Upside Down?,(9)Mirror Mirror,(40)Putt-Putt, (41)Radar Bills, (49)Angolan Designs,(73)A Shard or Two,(79)Morphing

Measurement

Angles and Length

(9)Mirror Mirror,(10)What's My Angle,(39)Patios, (40)Putt-Putt,(44)Table for 19,(66)Airport Runways

Area and Circumference

(15)Big Trees,(23)Fractals,(32)Windshield Wipers,(39)Patios, (54)Cut the Cake

Estimation

(1)Line Up, (2)Beating Heart,(3)Popcorn, (10)What's My Angle,(15)Big Trees,(47)VCR

Metric and customary units

(34)Faster, (67)When in Rome

Rates and velocity

(1)Line Up, (2)Beating Heart,(16)Beanie Babies,(18)Tern Turn

Units, appropriate

(3)Popcorn, (15)Big Trees,(34)Faster, (74)The Race

Number

Compare and order decimals, fractions, percents

(14)Battling Averages,(17)Perplexing Percentages,(25)Grape Juice Jungle,(36)Majority Vote

Large numbers and notation

(2)Beating Heart,(7)Double or Not,(11)Play Ball!,(28)Pigeonholes, (56)Drip Drops

Ratio and proportions

(14)Battling Averages,(24)Gasoline Tanks,(25)Grape Juice Jungle,(47)VCR

Solve problems with decimals, fractions, percents

(3)Popcorn, (8)Stamps, (14)Battling Averages,(15)Big Trees,(47)VCR, (71)Archeology

Statistics & Probability

Collecting Data

(26)I Win!, (29)Salaries,(64)Wheel of Fortune

Graphical represenations of data

(20)Basketball Picks,(48)Working Hours,(53)Census,(64)Wheel of Fortune,(70)Soda

Make conjectures about differences

(27)Life Expectancy,(29)Salaries, (71)Archeology,(72)TV Ratings

Make conjectures about relationships

(27)Life Expectancy,(29)Salaries, (68)Bones,(72)TV Ratings

Probability, Apply

(19)Two Points, (26)I Win!, (52)Capture-Recapture,(63)Matching Birthdays, (69)Misaddressed

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Figure This! Math Challenges for Families - Challenge Index

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(Challenge #) Challenge Title Algebra Equations, linear (8)Stamps, (30)Smiles,(58)Gone Fishin',(74) The Race Modeling problems (1)Line Up!, (29)Salaries,(42)Rose Bowl,(44) Table for 19,(77) Movie Money, (80) Gifts Galore Patterns, representing (6)Which Way?, (8)Stamps,(11)Play Ball!,(41) Radar Bills, (80) Gifts Galore Problem Solving using Symbols (21)Body Mass,(30)Smiles, (58)Gone Fishin',(60) Number Tricks Representations, comparing (7)Double

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Be creative and help people with engineering at DESIGN SQUAD GLOBAL. Watch videos, play games, try activities, and share designs with the community.

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Motion in a Straight Line: Crash Course Physics #1

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TED-Ed celebrates the ideas of teachers and students around the world. Discover hundreds of animated lessons, create customized lessons, and share your big ideas.

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Artificial intelligence ( AI )  Crash Course 👽🤖🧠

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Artificial intelligence ( AI )  Crash Course 👽🤖🧠

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Crash Course Artificial Intelligence Preview

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Hey Signers, welcome to Learn How to Sign! Our channel is dedicated all things ASL (American Sign Language) for those just now learning sign language to signers who need to brush up on their skills. We post weekly with new content and are always looking for suggestions on signs you want to know.

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How to Knit // Casting On for Kids // Right-handed Tutorial

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Guess the hidden word in 6 tries. A new puzzle is available each day.

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Sets Game- If you solve it before class BE HONEST

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Sets Game- If you solve it before class BE HONEST

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Brain Fitness | Brain Games | Improve Your Mind | HAPPYneuron

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HAPPYneuron Brain Fitness Program: Scientifically designed brain training proven to improve your mind, memory and brain health through innovative brain…

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Play a different crossword puzzle every day. Have loads of fun today with these puzzles and see if you can get on the AARP game leaderboard.

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Take fun and interesting quizzes on a wide range of topics. Create your own quizzes for other people to test their knowledge.

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The store will not work correctly in the case when cookies are disabled.

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

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Better Grades and Higher Test Scores - Guaranteed! - The Critical Thinking Co.

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The Critical Thinking Co. publishes PreK-12+ books and software to develop critical thinking in core subject areas.

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Teaching remotely? MIT's new site provides you with suggested actions to take quickly when making the shift from teaching in a classroom to teaching anywhere.

OCW Educator helps education professionals navigate the vast library of openly licensed MIT teaching materials available on MIT OpenCourseWare. Explore Instructor Insights to discover how MIT instructors teach with these materials on campus, and freely select and adapt their explanations, examples, and simulations to help concepts come to life in your own classroom.

Select a TOPIC above to begin

Professor Gilbert Strang on how he teaches 18.06 Linear Algebra.

The key point is to think with [students] ... The class has to be thinking with you... You have to give time ... Mathematics is beautifully ordered [...] still, you can't rush.

- Prof. Gilbert Strang

NOTE Some terms on this page have been used and adapted from multiple sources, including:

ABL Connect

Guidelines for Teaching @ MIT and Beyond

Guidelines on Learning that Inform Teaching

Chi, Michelene T.H. and Ruth Wylie. "The ICAP framework: Linking cognitive engagement to active learning outcomes." Educational Psychologist, 49(4): 219-243, 2014.

Kirschner, Paul A. and Jeroen J. G. van Merriënboer. "Ten steps to complex learning: A new approach to instruction and instructional design." Chapter 26 in 21st Centruy Education: A Reference Handbook. Edited by T. L. Good. Sage, 2008. ISBN: 9781412950114.

Merrill, M. David. "First principles of instruction." Educational Technology Research and Development, 50(3):43-59, 2002.

van Merriënboer, Jeroen J.G. and Paul A. Kirschner. Ten Steps to Complex Learning: A Systematic Approach to Four-Component Instructional Design. Routledge, 2012. ISBN: 9780415807968.

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OCW Educator | MIT OpenCourseWare | Free Online Course Materials

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Teaching remotely? MIT's new site provides you with suggested actions to take quickly when making the shift from teaching in a classroom to teaching anywhere. OCW Educator helps education professionals navigate the vast library of openly licensed MIT teaching materials available on MIT OpenCourseWare.

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(Aligned with Common Core Standards & Available in Spanish )
House of Math Word Problems for Children

Welcome to Math Stories . com!

The goal of this math website is to help elementary school (Grade 1st through 6th) children boost their math problem solving and critical-thinking skills. Math Stories . com has over 15,000 online and Common Core compliant math word problems for children to enjoy! Word problems are available in both English and Spanish. Math Stories . com is the website for busy teachers, eager students, and involved parents. Math Stories . com is comprehensive and easy to navigate.

Aligned with state standards

Covers all 5 major math strands in word problems

Includes Interactive & printable word problems worksheets

Includes daily warm-ups covering all 5 math strands

Includes critical thinking problems/open-ended problems

Incorporates over 14 years of teachers' feedback and field trials. Content updated weekly.

Includes Thematic Problems (i.e. nursery rhymes, holidays, children's books, history and science)

Classified according to grades and topics ( place value, number line, addition, subtraction, multiplication, division, estimation, measurement, perimeter, area, volume, patterns and relationships, multi-step, data analysis, graphs, pictographs, writing number and algebraic sentences, fractions, time/rate, percentage, ratio, probability, geometry, Venn diagrams, negative/positive numbers, algebra, etc. )

The math word problems are available to members only. If you would like to become a member, three kinds of memberships are available: English version, Spanish version and English + Spanish version.
Word Problems in English Membership
- Access to over 11,000 online and printable Common Core compliant word problems for 1st through 6th grade, including daily warm-ups. Includes over 350 problem-of-the-week, open-ended, and critical thinking problems for 1st through 6th grade. New problems are added regularly.
- Cost: US$24.00/year(12 months)/user. With credit card or any electronic transaction US$26.00/year (12 months)/user. One subscription cannot be used for the entire school or district. One subscription cannot be used in the school's computer lab or in library. Low-cost school and district site licenses are available. For more information, please send an e-mail toEditor@Mathstories.com. Thank you. Pay by Check:
- Word Problems in English enrollment/Renewal form - Pay by Credit Card or echeck: Word Problems in English on-line enrollment/Renewal.Click here Click here Word Problems in Spanish Membership
- Access to over 4,000 online and printable Common Core compliant word problems in Spanish for 1st through 6th grade. New problems are added regularly.
- Cost: US$28.00/year(12 months)/user. With credit card or any electronic transaction US$30.00/year (12 months)/user. One subscription cannot be used for the entire school or district. One subscription cannot be used in the school's computer lab or in library. Low-cost school and district site licenses are available. For more information, please send an e-mail to Editor@Mathstories.com. Thank you. Pay by Check: Spanish version enrollment form
- - Pay by Credit Card or echeck: Spanish version on-line enrollment.Click here Click here Word Problems in English and Spanish Membership
- Access to over 10,000 online and printable Common Core compliant word problems in English for 1 through 6th grade.
- Includes over 350 problem-of-the-week, open-ended, and critical thinking problems for 1st through 6th grade.
- Access to over 4,000 online and printable Common Core compliant word problems in Spanish for 1st through 6th grade.
- Cost: US$48.00/year(12 months)/user. With credit card or any electronic transaction US$50.00/year (12 months)/user. One subscription cannot be used for the entire school or district. One subscription cannot be used in the school's computer lab or in library. Low-cost school and district site licenses are available. For more information, please send an e-mail to Editor@Mathstories.com. Thank you. Pay by Check: English + Spanish version enrollment form
- - Pay by Credit Card or echeck: English + Spanish version on-line enrollment.Click here Click here
Gift membership for your child's teacher. give a truly unique gift to your child's teacher this year. Parents, Click here for details.
CGI problems are available on our website .

Sample Problems CBS Early Show called the nation's top math web site. one of the best math web sites. Click here.
Click here. ! Mary Leiffort, 1st Grade Teacher, Voigt Elementary, Round Rock, TX. Click here. How did Alvin Primary School, Alvin, TX achieve "Exemplary Status" ? Congratulations Alvin Primary! Why did Bremerton School District, Bremerton, WA, subscribe to our critical thinking problems to boost students' critical thinking and problem solving skills? Click here. Click here. Editor@Mathstories.com . Thank you.

1426 Pine Grove WayStories . com
San Jose, California 95129
USA

Copyright © 1999-2013 MathStories.com Inc.TM, San Jose, California , USA All Rights Reserved. The math problems contained within this site can be copied for use by teachers from non-profit organizations with subscriptions within their classrooms. Parents with subscriptions can use our math content with their children. Profit making organizations cannot copy, modify, and/or distribute our math content for commercial usage. The format and content of MathStories.com can not be copied or used in part or whole, by others. MathStory, MathStories and MathStories.com are the registered trademarks of MathStories.com, Inc. By logging in our website, you have accepted the above terms and conditions for using our website.

Disclaimer: MathStories.com, Inc. explicitly disclaims any legal liability for the contents of this website.

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(Aligned with Common Core Standards & Available in Spanish ) House of Math Word Problems for Children Welcome to Math Stories . com! The goal of this math website is to help elementary school (Grade 1st through 6th) children boost their math problem solving and critical-thinking skills. Math Stories .

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Discover a range of books and resources from Free Spirit Publishing that enhance early childhood learning and support child and teen well-being.

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My Math Resources - Fun Middle School Math Printables

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These fun no prep math printables are a great way to give yourself an easy day and give your middle school math class a fun activity!

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I’m Not Just Gifted: Social-Emotional Curriculum for Guiding Gifted Children (Grades 4-7) a book by Christine Fonseca

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What does it mean to be a successful person? What traits and characteristics define successful people? Why do gifted children, in particular, need a strong affective curricula in order to maximize their potential? These questions and more are explored in this guide to helping gifted children in grades 4-7 as they navigate the complicated social and emotional aspects of their lives. This curriculum is designed to help gifted children explore their giftedness, develop resiliency, manage their intensities, face adversities and tough situations, and cultivate their talents and passions. Including lesson plans, worksheets, and connections to Common Core State Standards, I’m Not Just Gifted is the practical guide necessary for anyone serving and working with gifted children. Grades 4-7

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Our website uses cookies to understand content and feature usage to drive site improvements over time. To learn more, review our Terms of Use and Privacy Policy.

Spotlight on Classroom Resources

OER Project materials provide a view of the larger world to your students, preparing them for college, career and beyond.

A course that asks big questions about our Universe, our planet, life, and humanity.

Covers Big Bang to the present

Adapts for grades 6-10

More than 50 lesson plans across 10 units

62 videos, 117 texts, 40 activities

Three courses to meet your needs: Origins to Present, 1200 to Present, and 1750 to Present.

Aligned to the vast majority of world-history state standards

Designed for high school

More than 30 lessons

More than 60 videos, 180 texts, 180 activities

A new take on climate education, developing critical thinkers and impatient optimists.

21 lessons across 5 units

Flexible materials for easy modification

Designed for grades 6-12

13 videos, 15 texts, 29 activities

Join OER Project

Join OER Project to get instant access to all of our courses and materials for free with absolutely zero hidden catches.

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OER Project's free, online social studies and world history curricula are aligned to state standards and develop key historical thinking skills.

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The ChemCollective contains a collection of virtual labs, scenario-based learning activities, tutorials, and concept tests. Teachers can use our content for pre-labs, for alternatives to textbook homework, and for in-class activities for individuals or teams. Students can review and learn chemistry concepts using our virtual labs, simulations, and tutorials. ChemCollective is organized by Dr. David Yaron (Carnegie Mellon University) and Dr. Ryan Dwyer (University of Mount Union).

Virtual Labs

ChemCollective contains virtual labs that cover nearly the entire range of experiments used in high school and college general chemistry.

Here's an example of a titration performed in the virtual lab:

Students can perform calculations as they would in lab, or use the pH meter / concentration tables to check their understanding of the system.

Kinetics functionality has recently been added to the virtual lab - see Kinetics of the Persulfate-Iodide Clock Reaction for a virtual version of the popular general chemistry experiment (see Iodide Clock Reaction for an example).

OLI Chemistry

The Open Learning Initiative has courses covering General Chemistry I and General Chemistry II. Each module includes text, worked examples (including interactive worked examples), a multitude of thoughtfully scaffolded practice problems (with adaptive and targeted feedback), and assessments.

The integration of these components provides a seamless and interactive learning experience for your students. The courseware also provides instructors with data on student performance, which they can use to adapt their instruction to student needs.

OLI Chemistry is free for high schools; for higher education, please contact OLI for more information.

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Online Resources for Teaching and Learning Chemistry

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Lesson Plans | Colorado Geographic Alliance

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UCCS is home to more than 12,000 driven students and over 800 experienced faculty members. Choose from more than 100 options within 50 undergraduate, 24 graduate, and seven doctoral degrees. Take a virtual tour and explore programs and opportunities to support you in your college-decision journey.

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Access thousands of primary sources - letters, photographs, speeches, posters, maps, videos, and other document types - spanning the course of American history. We're always adding more!

Borrow from an ever-expanding collection of document-based activities created by the National Archives, and teachers around the world. Copy and modify activities for your students.

Create your own activities using the online tools. It's as simple as: (1) selecting a tool, (2) choosing your primary sources, and (3) customizing instructions. Learn more >

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Access thousands of primary sources - letters, photographs, speeches, posters, maps, videos, and other document types - spanning the course of American history. We're always adding more! Borrow from an ever-expanding collection of document-based activities created by the National Archives, and teachers around the world. Copy and modify activities for your students.

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Engineering  ( Buildings and Construction- ALL LEVELS!) 

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Engineering  ( Buildings and Construction- ALL LEVELS!) 

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Home Improvement Tips & Advice from HomeAdvisor

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Teacher’s Construction & Building Guide for Students

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Whether you’re teaching elementary school children or teens, there is a hands-on, building-related lesson to keep your students engaged and excited.

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DBQ Trusted ( used by middle schoolers my me) 

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DBQ Trusted ( used by middle schoolers my me) 

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Access thousands of primary sources - letters, photographs, speeches, posters, maps, videos, and other document types - spanning the course of American history. We're always adding more!

Borrow from an ever-expanding collection of document-based activities created by the National Archives, and teachers around the world. Copy and modify activities for your students.

Create your own activities using the online tools. It's as simple as: (1) selecting a tool, (2) choosing your primary sources, and (3) customizing instructions. Learn more >

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Access thousands of primary sources - letters, photographs, speeches, posters, maps, videos, and other document types - spanning the course of American history. We're always adding more! Borrow from an ever-expanding collection of document-based activities created by the National Archives, and teachers around the world. Copy and modify activities for your students.

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Introduce students to the work of women filmmakers in early Hollywood with this comprehensive lesson plan developed by the American Film Institute. This curriculum has three objectives: for students to develop research skills by using the AFI catalog and other online databases; for students to critically analyze the film “Shoes” by Lois Weber (1916); and for students to explore the important role that women played in the development of the motion picture industry.

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Resources for parents and teachers for gifted children

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Resources for parents and teachers for gifted children

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Exquisite Minds: Creative and Gifted Children

Exquisite Minds believes in the importance of cultivating creativity in bright and gifted children. We believe creativity can solve almost any problem; rather than why something can't be done, it's how it can be done. Exquisite Minds offers support to parents and educators who want to challenge children to find new and constructive ways to look at the world.

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Exquisite Minds: Creative and Gifted Children | Exquisite Minds offers free support and gifted resources to parents and educators who want to challenge creative and gifted children to find new and constructive ways to look at the world.

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Exquisite Minds offers free support and gifted resources to parents and educators who want to challenge creative and gifted children to find new and constructive ways to look at the world.

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~ Insisting a child must be taught traditional, scope-and-sequence arithmetic to learn mathematics is like saying one must learn classical notes and scales before one can learn music. You might get there, but you miss out on the inspiration of beautiful music created by the masters along the way. We need not master all the “basics” before being able to experience the appreciation that carries us through the hard work of learning. Think of applying living math principles as developing a “mathematical ear” while working toward the mastery of basic theory. ~

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Learn about public engagement activities from the American Physical Society

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World History for Us All is a comprehensive model curriculum for teaching world history in middle and high schools