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https://www.ixl.com/math/grade-3/parallel-sides-in-quadrilaterals

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3.G.1 Understand that shapes in different categories (e.g., rhombus, rectangle, square, and other 4-sided shapes) may share attributes (e.g., 4-sided figures) and the shared attributes can define a larger category (e.g., quadrilateral). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories

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Corbett Maths shape chart

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For early finisher students

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Parallel, Perpendicular & Intersecting Lines Song | Types of Lines

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Logic Algorithm of Arabic Numbers: Angles!

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Logic Algorithm of Arabic Numbers: Angles!

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IXL | Parallel sides in quadrilaterals | 3rd grade math

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Improve your math knowledge with free questions in "Parallel sides in quadrilaterals" and thousands of other math skills.

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This rap video is the perfect initial engaging activity for opening the lesson and it's short enough to be repeated if necessary.

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Parallel, Perpendicular & Intersecting Lines Song | Types of Lines

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Grade 3 " Geometry " Reason with shapes and their attributes. " 1 | Common Core State Standards Initiative

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Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.

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3.G.1 - Assessment Tasks: Grade 3 Mathematics

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Great lesson opener!

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The triangle becomes a quadrilateral when the shape-shifter gives him another side!

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This sample lesson plan uses the book "The Greedy Triangle" to teach about the attributes of two-dimensional figures. The plan is designed for second-grade and third-grade students, and it requires a 45-minute period for two days. The only supplies needed are:

The book The Greedy Triangle by Marilyn Burns

Several sheets of poster paper

The objective of this lesson plan is for students to learn that shapes are defined by their attributes-specifically the number of sides and angles they have. The key vocabulary words in this lesson are triangle, square, pentagon, hexagon, side and angle.

This lesson plan satisfies the following Common Core standards in the Geometry category and Reason With Shapes and Their Attributes sub-category.

2.G.1. Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces. Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.

3.G.1. Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.

Have students imagine that they are triangles and then ask them several questions. What would be fun? What would be frustrating? If you were a triangle, what would you do and where would you go?

1. Create four large pieces of chart paper with the headings "Triangle," "Quadrilateral," "Pentagon" and "Hexagon." Draw examples of these shapes at the top of the paper, leaving lots of room to record student thoughts.

2. Keep track of student responses in the lesson introduction on the four large pieces of paper. You will continue to add responses to this as you read the story.

3. Read the story "The Greedy Triangle" to the class. Split the lesson over two days to go through the story gradually.

4. As you read the first section of the book about the Greedy Triangle and how much he likes being a triangle, have students retell sections from the story-what could the triangle do? Examples include fit into the space near people's hips and be a piece of pie. Have students list more examples if they can think of any.

5. Continue to read the story and add to the list of student remarks. If you take your time with this book to get lots of student thoughts, you will likely need two days for the lesson.

6. At the end of the book, discuss with the students why the triangle wanted to be a triangle again.

Have students write an answer to this prompt: What shape would you like to be and why? Students should use all of the following vocabulary words to create a sentence:

They should also include two of the following terms:

"If I were a shape, I would want to be a pentagon because it has more sides and angles than a quadrilateral."

"A quadrilateral is a shape with four sides and four angles, and a triangle has only three sides and three angles."

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Teach Kids About Geometry with 'The Greedy Triangle'

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This sample lesson plan uses the book "The Greedy Triangle" to teach about the attributes of two-dimensional figures. The plan is designed for second-grade and third-grade students, and it requires a 45-minute period for two days.

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Grade 3 " Geometry " Reason with shapes and their attributes. " 1 | Common Core State Standards Initiative

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Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.

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Sources for videos, pictures, lessons, articles & websites

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This website provides instant feedback and students have to stay sharp because the Yes and No button switches sides!

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grade 3  free math games practice common core standards

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This real-world angle measure helps students relate to angles measurement.

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students can change the length of the polystrip to experiment with constructing their own quadrilaterals.

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Web-based Game for Practicing Quadrilaterals

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grade 3  free math games practice common core standards

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Lesson Extension Game for Fast Learners

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Lets students build and explore quadrilaterals

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Engaging children's literature that teaches students to see quadrilaterals in the real world.

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Molly Blaisdell is a dash of fun, mixed in with some smart cookie and a splash of capable. She's the author of books for kids and young adults.

On the kid side, she spent her childhood playing make-believe with her two sisters. Today, she writes about art, unicorns, rocks, the Sun, hurricanes, fuzzy coats, quadrilaterals, commas, and many more things that have captured her curiosity.

When Molly's not writing, she curls up with a book, heads to a popcorn blockbuster, or kicks back to watch shooting stars. If she sees the moon in the daytime, she thinks she's lucky.

Molly is the mom of four and lives in College Station, Texas with her college sweetheart Tim and two cats - one evil and one good.

She's the author of 30 books for young children, including THE BIG FUZZY COAT (MeeGenius, ebook), REMBRANDT AND THE BOY WHO DREW DOGS (Barron's), and THE TRUTH ABOUT UNICORNS (Capstone Press).

She inspires artists of all kinds with her weekly blog:
Seize the day (mollyblaisdell.blogspot.com).

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Molly Blaisdell is a dash of fun, mixed in with some smart cookie and a splash of capable. She's the author of books for kids and young adults. On the kid side, she spent her childhood playing make-believe with her two sisters.

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Fun Brain - Free kids learning Grades Pre-K to 8 - Apps on Google Play

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Fun Brain is learning app for kids 1 to 10 years old. FunBrain covers grade Pre-K & K as well as Grade 1 to 8. Kids can learn from Videos, Games and Books. Fun Brain Created for kids in grades Pre-K through 8, Funbrain.com has been the leader in free educational games for kids since 1997.

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Android app teaches geometric shapes on the go

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Android app teaches geometric shapes on the go

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Making learning fun since 1997

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Fun Brain - Free kids learning Grades Pre-K to 8 - Apps on Google Play

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Fun Brain is learning app for kids 1 to 10 years old. FunBrain covers grade Pre-K & K as well as Grade 1 to 8. Kids can learn from Videos, Games and Books. Fun Brain Created for kids in grades Pre-K through 8, Funbrain.com has been the leader in free educational games for kids since 1997.

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Four Lesson Extending Activities for Fast Learners 

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Four Lesson Extending Activities for Fast Learners 

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Extend your lesson for fast finishers with this interesting fun fact image about angles and numbers, a card of more complex quadrilaterals, and these two web-based activities.

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Quadrilaterals with the attributes that define them

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Quadrilaterals with the attributes that define them

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quadrilateral ~ A Maths Dictionary for Kids Quick Reference by Jenny Eather

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Quick Reference from A Maths Dictionary for Kids - over 600 common math terms explained in simple language. Math glossary - definitions with examples. © Jenny Eather 2014.

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Curious learners who finish early will enjoy exploring these shapes!

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http://www.teaching-tools.com/math-worksheets/geometry-worksheets/geometry_terms.php

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Definition of Open and Closed Geometric Figures

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Definition of Open and Closed Geometric Figures

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https://www.splashmath.com/math-vocabulary/geometry/open-shape

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Vocabulary is a major part of the SCTS 4.0 lesson plan rubric

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The greedy triangle has 3 sides, but he wants to have 4 sides.

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These tools give students hands-on experience with creating angles and quadrilaterals of their own

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Students will learn that quadrilaterals are polygons that have only straight sides, and quadrilaterals are a special category of polygons that have 4 sides and angles that total 360⁰

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Students will learn acute, obtuse, and right angles along with straight angles using the words used when defining  and exploring angles. These definitions are in the Geometry Vocabulary post.

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Students will use manipulatives to learn  measuring angles and proving that quadrilaterals have a total of 360⁰.  Lesson also includes a short history of geometry

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Students will learn that parallel lines can extend in both directions into infinity and never intersect. Students will also identify, draw and classify quadrilaterals.

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Students will take a virtual field trip exploring quadrilaterals in geography and science in the real world application of quadrilaterals that make up an NBA basketball court.

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This is a very brief history of quadrilaterals that also discusses real-world applications

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A presentation of the history of quadrilaterals along with some facts

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This website can be used to plan various alternating virtual field trips

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Lessons can be expanded or condensed to fit the time alloted.  Some lesson concepts were pulled from The Greedy Triangle lesson plan on the ThoughCo.com website

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These websites are valuable for extra practice working with quadrilaterals and also for challenging early finishers to create their own quadrilaterals

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Students of all ages enjoy creating shapes with tangram pieces, and they can use the angle measuring tool to check the angles.

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Students will practice making quadrilaterals with manipulatives (virtual and physical) and participate in a shapes scavenger hunt.

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Volunteers of different heights can use their bodies to create quadrilaterals to deepen understanding of line lengths in relation to parellel sides.

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Five Ways to Make Geometry Memorable | Scholastic

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Merge body and mind as you get your students out of their seats with these five easy ways to make learning geometry concepts memorable and lasting.

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Kids make geometric shapes with their bodies

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Quadrilateral scavenger hunt gets students out of their seats to sharpen their skills spotting quadrilaterals to measure in real world.

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Outdoor scavenger hunt activity

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Children's Literature for Teaching Math 

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Children's Literature for Teaching Math 

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Great source of high-quality books that children love reading

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Activities for Assessing Diverse Learners Understanding of Geometry

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Activities for Assessing Diverse Learners Understanding of Geometry

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Activities for teaching geometry to students with autism and other developmental challenges. Not grade-specific

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Special Education Geometry Teaching Resources | Teachers Pay Teachers

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Browse special education geometry resources on Teachers Pay Teachers, a marketplace trusted by millions of teachers for original educational resources.

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Geometry Activities for Diverse Learners

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Geometry Activities for Diverse Learners

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For grades 3 through 7

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Link to History of Quadrilaterals Prezi

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A presentation of the history of quadrilaterals along with some facts

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Straight lines arranged to imitate curves

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Discussions of 2-D shapes sometimes refer only to the boundary (the line segments that form the edges of the figure) or to the interior as well. When we talk about "dissecting" a parallelogram and rearranging the parts to form a rectangle in order to determine the area of the parallelogram, we are clearly referring to the edges and the interior.

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Geoboard lets kids use virtual rubber bands to create shapes and images 

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Geoboard lets kids use virtual rubber bands to create shapes and images 

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https://apps.mathlearningcenter.org/geoboard/

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https://apps.mathlearningcenter.org/geoboard/

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Shape Chart

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Posts about quadrilaterals written by corbettmaths