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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.
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Activity
University of Cambridge

University of Cambridge: Nrich: Instant Insanity

For Students 3rd - 8th Standards
Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.
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Activity
University of Cambridge

University of Cambridge: Nrich: Up and Down Stairs

For Students 3rd - 4th Standards
Work with this cube problem and see if you can find a pattern. Then you can check your solution with solutions already submitted.
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Surface Area of a Rectangular Prism

For Teachers 9th - 10th Standards
This lesson teaches students how to find the surface area of rectangular prisms.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Vertices Edges and Faces in 3 D Shapes

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video briefly defines the 3D figure given including the edge, face, and vertices, followed by determining the number of vertices in the rectangular prism. The...
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Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: 4.4 Developing Geometry Understandings With Tangrams

For Students K - 1st Standards
Students use this interactive website to explore tangrams by connecting the pieces.
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Website
PBS

Pbs Learning Media: Squares

For Students 3rd - 5th Standards
The CyberSquad builds a raft out of squares in order to cross a river in this Cyberchase video [2:05] segment.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Tessellate!

For Students 3rd - 8th Standards
This creative applet allows you to tessellate variations you create starting with either a triangle, rectangle or hexagon. Directions are only a click away.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Flat Surfaces in Various 3 D Shapes

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to count the number of flat surfaces on various 3D shapes. The video is followed by practice problems.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying and Naming 3 D Figures

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video briefly shows and describes a cube, rectangular prism, triangular prism, and a cylinder and then determines what 3D figure is shown through process of...
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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."...
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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.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Flat Surfaces in Various 3 D 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 how to count the number of faces in various three dimensional shapes.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting the Number of Basic 2 D Shapes in a Set of 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 identifying various 2D shapes in a set of figures.
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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....
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Overview of Flat Surfaces of 3 D Shapes

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the flat surfaces or faces of three dimensional shapes.
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Activity
University of Cambridge

University of Cambridge: Nrich: Triangles to Tetrahedra

For Students 3rd - 8th Standards
Given an unlimited number of a specific type of equilateral, isosceles, and right triangles create as many tetrahedra as are possible. Includes printout.
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Interactive
University of Cambridge

University of Cambridge: Nrich: Net Cuts

For Students 3rd - 5th Standards
In this enrichment game, the nets for nine solids are displayed. The twist is that each net has been cut into two pieces. The challenge is find the pieces that go together.
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Interactive
Math Playground

Math Playground: Shape Inlay Game

For Students 3rd - 8th Standards
Drag and drop shapes into a puzzle to explore tessellations.
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Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Volume of a Cube

For Students 3rd - 8th Standards
"The volume of a cube can be developed by considering unit cubes, a single row (longs) of unit cubes or a single layer (flats) of cubes using this applet." This easy software makes it possible to easily construct a cube and take it...
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Interactive
SEN Teacher

Sen Teacher: Nets

For Teachers Pre-K - 1st Standards
Generate different "nets" for paper construction of common three-dimensional shapes: cube, cuboid, pyramid, cone, tetrahedron, cylinder, octahedron, rhombic prism, dodecahedron, pentagonal prism, and pentagonal prism.
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Unknown Type
Khan Academy

Khan Academy: Identify Geometric Solids (3 D Shapes)

For Students 2nd - 3rd Standards
Practice identifying 3D shapes.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying and Naming 3 D 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 identifying and naming three dimensional figures.
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Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 3.md the Square Counting Shortcut

For Teachers 2nd - 4th Standards
This is a rectangle subdivision task; ideally instead of counting each square. students should break the letters into rectangles, multiply to find the areas, and add up the areas. Aligns with 3.MD.C: CCSS.Math.Content.3.MD.C.6 Measure...