Lesson Plan
University of Texas

Inside Mathematics: Which Shape [Pdf]

For Teachers 2nd - 4th Standards
This task challenges a student to use knowledge of geometrical attributes to identify and describe shapes.
Handout
Science Struck

Science Struck: List of Different Types of Geometric Shapes

For Students 4th - 8th Standards
A comprehensive list of 2D shapes and 3D solids with everything from a triangle to a dodecahedron. Includes illustrations and short descriptions of attributes for each.
Lesson Plan
Better Lesson

Better Lesson: Identifying 2 D Shapes

For Teachers 2nd Standards
In this activity, 2nd graders will identify shapes found around the room by recognizing their attributes such as number of angles, vertexes, and faces.
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.
Lesson Plan
Scholastic

Scholastic: Setting the Stage With Geometry

For Teachers 6th - 8th Standards
Students will learn and reinforce skills for measuring perimeter and area of 2D shapes and measuring surface area and volume of 3D shapes.
Lesson Plan
University of Texas

Inside Mathematics: Quilt Making [Pdf]

For Teachers 3rd - 5th Standards
This task challenges a student to demonstrate understanding of the concept of two dimensional shapes and their properties.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Geometric Solids

For Students 9th - 10th Standards
An interactive game to find number of edges, surfaces and vertices of different geometric shapes.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.g,rp Measuring the Area of a Circle

For Teachers 7th
In this lesson plan, 7th graders answer word problems to determine the area of a circle.
Unit Plan
PBS

Pbs: Geometry and Classification of 2 D Figures: Bianca Busts a Move

For Students 3rd - 5th
In this video from Cyberchase, Bianca breaks her friend's tabletop when she's practicing dance moves in his living room. She uses measurement and geometry to get a new piece of wood that will fit the table exactly. The accompanying...
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
Illustrative Mathematics

Illustrative Mathematics: 8.g Circle Sandwich

For Teachers 8th Standards
Eighth graders are presented with a drawing of a large square inscribed by a circle which is itself inscribed by a second square. They are asked to find the area of the circle outside the smaller square and compare it to the area of the...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.g Eight Circles

For Teachers 7th
In this lesson plan, 7th graders use their knowledge of formulas to determine the area and circumference of a circle.

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