Lesson Plan
University of Texas

Inside Mathematics: Sorting Shapes [Pdf]

For Teachers 4th - 7th Standards
This task challenges a students knowledge of 2-dimensional geometrical shapes to sort shapes and to design a shape that has a given set of attributes.
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.
Unknown Type
Khan Academy

Khan Academy: Rotate 2 D Shapes in 3 D

For Students 9th - 10th Standards
Practice your 3D visualization skills by rotating 2D shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Different 2 D Shapes Within Complex Composite Figures

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting two dimensional shapes in a complex composite figure.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Different 2 D Shapes Within Simple Composite Figures

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to dientify various two dimensional shapes within a composite figure.
Unknown Type
Khan Academy

Khan Academy: Properties of Shapes

For Students 3rd - 5th
In this exercise, students practice applying the properties of shapes. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unit Plan
Cuemath

Cuemath: Plane Shapes

For Students 9th - 10th Standards
A comprehensive guide for learning all about plane shapes with definitions, properties, types, solved examples, and practice questions.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting the Number of Basic 2 D Shapes in a Composite Figure

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting basic two dimensional shapes in a composite figure.
Unit Plan
CK-12 Foundation

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

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on determining if there are straight lines in various two dimensional shapes.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Straight Lines and Curves in Various Shapes

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting lines and curves in various two dimensional shapes.
Unit Plan
CK-12 Foundation

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

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on identifying rectangles, squares, circles and triangles.
Handout
Math Is Fun

Math Is Fun: Regular 2 D Shapes

For Students 3rd - 8th Standards
This tutorial provides illustrations for regular 2-D shapes as well as a definition for polygons and for regular polygons.
Unit Plan
Khan Academy

Khan Academy: Compose Shapes

For Students Pre-K - 1st Standards
Practice combining shapes to make other shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Better Lesson

Better Lesson: Making New Shapes With Shapes

For Teachers 1st Standards
My first graders have been studying the defining attributes of 2D shapes. They are going to love using toothpicks and marshmallows to present their knowledge of 2D and create 3D shapes.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 1.11 Surface Area and Nets

For Students 9th - 10th Standards
Explore surface areas and nets with 2D and 3D shapes.
Lesson Plan
Better Lesson

Better Lesson: Super Shape Ornament Review

For Teachers K Standards
In December, it's fun to decorate for the holidays. This lesson includes 2D shape and counting practice!
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.
Unit Plan
Khan Academy

Khan Academy: Symmetry of 2 D Shapes

For Students 9th - 10th
Analyze various shapes according to their reflective and rotational symmetries. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining Unit Shapes From Tessellations

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video to determine unit shapes from a tessellation and then take an assessment to test their knowledge.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining Whether a Given Shape Can Be Tessellated

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video to determine if a two dimensional shape can be tessellated and then take a quick assessment to test their skills.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Segments From Secants and Tangents

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to solve for missing segments created by a tangent line and a secant line intersecting outside a circle.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 9.5 Modeling in Three Dimensions

For Students 9th - 10th Standards
Explore connections between a 2-dimensional net and a 3-dimensional box. Later in this section, use equations with variables to solve real world problems that use 2 and 3-dimensional objects.
Activity
University of Cambridge

University of Cambridge: Maths and Sports: National Flags

For Students K - 1st
During the Olympic and Paralympic Games many national flags will be on display. This activity explores 2D shapes, angles and symmetries in the context of flag designs, and is designed to be accessible to primary pupils at Key Stage 2.