Lesson Plan
Curated OER

Nature's Polyhedrons

For Teachers 9th - 12th
Students are introduced to polyhedrons through using straw models to explore geometric solids and constructing Christmas tree ornaments using Epsom salt crystals. Students will view interactive videos and investigate and retrieve...
Lesson Plan
Curated OER

Using Geometric Shapes in Architecture

For Teachers 3rd
Third graders identify two and three dimensional shapes used in architectural designs by viewing images on the Internet.  In this geometry lesson, 3rd graders create their own building designs and identify the geometric shapes that...