Flexagons? What a great way to play with geometry. Kids use the provided template to transform a plain G sheet into a solid G paper toy. The resource even comes with an instructional video and illustrations.

After walking in a nearby neighborhood, have your class create this amazing city street pop-up. They study the facades of the buildings they see, focusing on geometric line, shape, and architecture. They then draw, cut, and create a city...

Students examine and discuss a sculpture by the artist Jin Soo Kim. They explore and identify basic sculpture techniques, and create a sculpture using found objects, plaster, and cardboard.

In this lesson plan, middle schoolers use movement and the creation of human structures to help them understand angles, plane shapes, and geometric solids.