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Grouped by grade level. Student version and Google Docs versions are available. Browsable by DOK level too.

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Home

CHALLENGING MATH PROBLEMS WORTH SOLVING

DOWNLOAD OUR FAVORITE PROBLEMS FROM EVERY GRADE LEVEL

WANT GOOGLE SLIDE VERSIONS OF ALL PROBLEMS?

HERE'S OUR GROWING COLLECTION

WANT TO SHARE OPEN MIDDLE WITH OTHERS?

CHECK OUT THESE FREE WEBINARS TO HELP TEACHERS RETHINK CLASSWORK

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CHALLENGING MATH PROBLEMS WORTH SOLVING DOWNLOAD OUR FAVORITE PROBLEMS FROM EVERY GRADE LEVEL Get Our Favorite Problems Take The Online Workshop WANT GOOGLE SLIDE VERSIONS OF ALL PROBLEMS? HERE’S OUR GROWING COLLECTION Get Google Slide Versions WANT TO SHARE OPEN MIDDLE WITH OTHERS? CHECK OUT THESE FREE WEBINARS TO HELP TEACHERS RETHINK CLASSWORK Elementary Version

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Organized by grade level and standard. These tasks build mathematical thinking by providing students with a set of task clues to help them uncover the thinking they need to solve problems.

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Math researcher who has created task based problems to encourage student mathematical thinking. Tasks are tagged by grade level/grade band.

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These are aligned to Ohio Standards and are grouped by grade level or grade band.

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achievethecore.org's digital tools and resources for teachers have been made possible by contributions from teachers across the country as well as through generous support from the Leona M. and Harry B. Helmsley Charitable Trust and the GE Foundation.

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This is a British site developed by the University of Cambridge. The problems are grouped by age bands.

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You do not need an account to access these games and puzzles.

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Puzzles, Activities and Lesson Plans - Polypad

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Explore our free library of tasks, lesson ideas and puzzles using Polypad and virtual manipulatives.

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Arranged by grade level. No login needed. Aligned to standards.

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Providing instructional and assessment tasks, lesson plans, and other resources for teachers, assessment writers, and curriculum developers since 2011.

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Welcome to a library of more than 700 engaging and challenging mathematics problems, arranged for easy access by topic, with numerous suggestions for using them with students.

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Non-Routine Mathematics Problems for Middle and High School Students

Welcome to a library of more than 700 engaging and challenging mathematics problems, arranged for easy access by topic, with numerous suggestions for using them with students.

Here are three links.

Getting Started Quickly: for getting a handful of problems into your students' hands right away.

Guided Tour: basic information about problems, index numbers, and problem sets

Foreword: lays out the website for you in detail and explains the rationale for its existence.

Since this website is all about solving problems, we start by inviting you to doff your teacher hat and to take some time to play with a few problems selected just for you.

Think about how you're thinking as you work on them; think about how you feel when you get one or when you get stuck.

When you've had enough of that for now, we suggest you go back to some of the major sections of the user guide.

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Welcome to a library of more than 700 engaging and challenging mathematics problems, arranged for easy access by topic, with numerous suggestions for using them with students. Here are three links. Getting Started Quickly: for getting a handful of problems into your students' hands right away.

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Mathematical thinking puzzles grouped by grade level.

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Please use MathPickle in your classrooms. If you have improvements to make, please contact me. I'll give you credit and kudos 😉 For a free poster of MathPickle's ideas on elementary math education go

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Two math teachers who have created math tasks that are aligned to standards. Sorted by grade level. No login or purchase required.

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Every student deserves to have the opportunity to problem-solve and engage in genuine mathematical thinking. Rich tasks are designed to make these rich learning experiences possible. We've written these tasks to launch quickly, engage students, and promote the habits of mind mathematicians need: perseverance & pattern-seeking, courage & curiosity, organization & communication.

This free video PD series will help you get the most out of the tasks below.

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Every student deserves to have the opportunity to problem-solve and engage in genuine mathematical thinking. Rich tasks are designed to make these rich learning experiences possible. We've written these tasks to launch quickly, engage students, and promote the habits of mind mathematicians need: perseverance & pattern-seeking, courage & curiosity, organization & communication.

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These tasks build numeracy skills. Grouped by Grade bands.

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… efforts to intensify attention to the traditional mathematics curriculum do not necessarily lead to increased competency with quantitative data and numbers. While perhaps surprising to many in the public, this conclusion follows from a simple recognition that is, unlike mathematics, numeracy does not so much lead upwards in an ascending pursuit of abstraction as it moves outward toward an ever richer engagement with life’s diverse contexts and situations.

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Math at Home Aligns with Bridges in Mathematics

Both Math at Home and Bridges® in Mathematics were created with three core beliefs in mind:

Learning is a collaborative and social endeavor.

Learning is a process of constructing meaning to make sense of concepts.

Learning requires perseverance and willingness to experience disequilibrium.

The activities of Math at Home are aligned to Bridges in Mathematics but can be used with any curriculum.
In & Out of the Classroom

As our educational landscape is changing, Math at Home can help you respond to your students' needs. There are many ways to use Math at Home activities.

In-class, as a warm-up or during choice time

During synchronous virtual classroom instruction

As independent tasks for a cohort of students out of the classroom, while instructing another cohort of students who participate in class

As homework assignments

Math at Home activities are available as Google Docs. Educators can make their own copies to share and use with Google Classroom and other learning management systems.

Activities to Promote Deep Thinking

Math at Home activities include a variety of math routines that invite students to engage in meaningful mathematical problem solving and discourse. The routines include:

What Might Students Say?

Examples of student work accompany every Math at Home activity. As Math at Home activities provide students multiple access points and invite them to think deeply, it is important to note that the sample responses are not a definitive answer key. There are often multiple possible correct answers, and always more than one way students might solve the problem. Encourage students to use strategies that make sense to them.

For some students, their mathematical understanding might exceed their ability to explain their thinking in writing. As an alternative, you might invite students to draw models to support their thinking and record their verbal explanations.

It's All Fun & Games

Math at Home includes three options for games.

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Both Math at Home and Bridges® in Mathematics were created with three core beliefs in mind: Learning is a collaborative and social endeavor. Learning is a process of constructing meaning to make sense of concepts. Learning requires perseverance and willingness to experience disequilibrium.

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From the National Science Foundation, Transitions to Algebra and the Education Development Center. 3 types of online puzzles, including Mobiles, Who Am I, and MysteryGrid

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Use logic to solve visual, interactive mathematical puzzles. Create your own puzzles to share with your friends or the SolveMe Community.

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The United States Mint provides activities and games that serve as an overview about what money is, how it's used and how it's printed.

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Welcome to the U.S. Mint's Kids Site! Want to learn about coins like the penny, nickel, dime or quarter? Or play free educational games? Come on in!

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Free access to engaging lessons and problems.

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My growing list of free real world problem-based lessons for grades 2 through high school. Includes links to download multimedia and teacher guide.

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From Brainzilla...merge your mathematical mind with the world of logic!

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These Logic Grid Puzzles require that you fill the grid based on the clues to solve them. The puzzles can be challenging even for experienced players.

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Free Practice exams to best-prepare for the Math portion of the ACT and more...

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Free online learning tool and test practice program designed to help students get their best score possible on the ACT test.

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Free targeted Math practice to best prepare for the Math portion of the SAT...

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