Alabama Learning Exchange
Alex: How Tall Is the School's Flagpole?
The purpose of this lesson is to help students apply math concepts concerning similar triangles and trigonometric functions to real life situations. The students learn how to take these concepts and use them to find measurements of...
E-learning for Kids
E Learning for Kids: Math: Market Place: 2 D Shapes and Patterns
On this interactive site, students learn to identify squares, circles, and triangles.
E-learning for Kids
E Learning for Kids: Math: Castle in the Clouds: Space: 2 D Shapes and Symmetry
Students will explore symmetry through a variety of learning games.
NumberNut
Number Nut: Shapes, Symbols, and Colors: 2 D Shapes
Did you know that two-dimensional shapes are also called polygons? This lesson describes the various 2-D shapes and includes two interactive games to reinforce skills.
Khan Academy
Khan Academy: Cross Sections of 3 D Objects (Basic)
Match 3D objects with their 2D cross-sections. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Cross Sections of 3 D Objects (Basic)
Basic practice problems involving cross sections of 3D objects.