Curated OER
Identifying 2-D and 3-D Shapes in Crystals
Students view a video on making rock candy and identify the shapes they see while watching. In this 2 and 3 dimensional shape lesson, students recognize shapes and complete worksheets to identify them. Students build a cube. Students...
Curated OER
Using Geometric Shapes in Architecture
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 will...