Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] Students practice classifying various two dimensional shapes as rectangles, squares, circles or triangles.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Matching Equivalent 2 D Shapes

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to match a given shape with those that are equivalent or the same type. Includes video demonstrating a sample problem...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying Real Life Objects as Basic 2 D Shapes

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to classify a real-world object as a circle, triangle, square or rectangle. The video is followed by additional practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Straight Lines in Various Shapes

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which shape is made of only straight lines. The video is followed by a series of practice questions to assess student...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Rectangles, Squares, Circles, and Triangles

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video discusses a brief overview of circles, rectangles, squares, and triangles and helps students determine which shape is shown and why. The video is followed...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining Unknown Angles in Composite Figures

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and take an assessment on finding missing angles in a polygon.
Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Building Shapes

For Teachers 3rd - 5th Standards
Based on building a hexagon, this activity from the Math Forum collection focuses on using different combinations of pattern blocks to create a hexagon. An online activity, pencil and paper method, literature connections, and a...
Lesson Plan
Alabama Learning Exchange

Alex: Have Your Math and Eat It, Too!

For Teachers 6th - 8th
In this two-day lesson plan, students will collaborate to create a healthy pizza using only geometric items that have been precisely measured. Students must identify the items as triangle, quadrilateral (parallelogram), or cube. Next,...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Group of Pyramids: Polygons and Temperature

For Students 2nd - 3rd Standards
Learn about 2D shapes and temperature with King Toot.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Music: 2 D Shapes

For Students 4th - 6th
Kyan is an African villager. Can you help him name and define different parts of shapes?
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Group of Pyramids: 2 D Shapes

For Students 4th - 6th
Abeni works at the pyramids. Visit her and find out more about circles and triangles.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Market Place: 2 D Space

For Students 3rd - 5th
At the Food Market there are a lot of shapes. Help Afia find and name the shapes.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Wizards: Shape: 2 D Shapes and Symmetry

For Students Pre-K - 1st Standards
Can you help Wally the wizard practice some of his tricks while you learn about symmetry and 2D shapes?
Activity
National Council of Teachers of Mathematics

The Math Forum: Plane Figure

For Students 9th - 10th
This site provides a definition for plane figure (at the top of the page) and a few examples.
Activity
Texas Instruments

Texas Instruments: Rotations in the Plane Cabri Jr: Interactive

For Teachers 9th - 10th Standards
In this activity, you will explore the invariant properties of rotations and the results of rotations in the coordinate plane.
Activity
Texas Instruments

Texas Instruments: Rotations in the Plane

For Teachers 9th - 10th Standards
In this activity, students will explore the properties of rotations and the relationships between the original and image figures.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Access Ramp

For Students 3rd - 8th
So, you're interested in becoming a civil engineer, builder, or landscaper? Then you'll need to sharpen your skills in measuring slope. Try this math challenge where you will discover how to measure the steepness of an incline.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Fire Hydrant

For Students 3rd - 8th Standards
Discover how the geometric shape of an object directly relates to its usefullness in this math challenge from the NCTM Math Challenges for Families collection. A one page activity that you can print or download.
Activity
Scholastic

Scholastic: Max's Math Adventures: Max's Fantastical Zoo

For Teachers 3rd - 5th
Use this rhyming description of Max's Fantastical Zoo to make some amazing animals from geometric shapes. There is a teacher's guide for easy lesson planning.
Unit Plan
Sophia Learning

Sophia: Finding Area With Squares: Lesson 4

For Students 3rd - 5th Standards
Step by step, this video lesson [4:34] will show you how to add up the number of squares that cover an object in order to find the area of a figure. It is 4 of 7 in the series titled "Finding Area with Squares."...
Activity
Scholastic

Scholastic Lesson Plan: New Way to Measure Area

For Teachers 3rd - 8th Standards
This article describes a new approach to teaching children more than just memorizing a formula to find area and hope they don't confuse it with perimeter. This approach involves a project with real life situations....
Handout
The Math League

The Math League: Figures and Polygons

For Students 3rd - 8th Standards
This website has basic definitions for most polygons, regular and irregular.
Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 2 Polygons and Tessellations

For Students 9th - 10th
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of polygons and tessellations. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Vertices and Sides in Various Shapes

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students practice counting sides and vertices in various two dimensional shapes.