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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.
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Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Cutting Corners

For Students 9th - 10th Standards
Students will use their knowledge of plane figure attributes to create and view shapes by cutting and rotating shapes to stimulate discussions on names and attributes of various shapes they do not regularly encounter.
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Interactive
Other

Kinderweb: Educational Children's Games

For Students Pre-K - 1st Standards
Use this site to practice identifying shapes, colors, and animals with these interactive games.
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Website
University of Regina (Canada)

University of Regina: Math Central: Lesson: Mr. Z's 5 Minute Game of Geometric Pandemonium

For Teachers 3rd - 5th Standards
Students make a series of geometric drawings of points, obtuse angles, rays, polygons, and the like. Each child is given one but not allowed to show anyone else. The drawing is then taped to the back of the child in front of them. The...
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Lesson Plan
PBS

Pbs Mathline Lesson: Geometry, It's a Perfect Fit [Pdf]

For Teachers 3rd - 5th Standards
This two-part geometry lesson plan has students identify, describe, and classify two-dimensional shapes. Students engage in hands-on activities including identifying shapes in the classroom, creating patterns with shapes, identifying...