“This was the best money I have ever spent on a teaching tool.” ~ a teacher in Wisconsin

← Geometry

Area and Perimeter


Printable List

Deducing the Area of Triangles

Deducing the Area of Triangles

Using patterns, students try to deduce where that area formula came from.

Exploring Circumference With Famous Circles

Exploring Circumference With Famous Circles

Let’s find how the diameter and circumference of famous circles are related.

Discovering Pi With Sticky Notes

Discovering Pi With Sticky Notes

Pi is mysterious and strange! Why not let students discover it on their own?

Same Perimeter, Different Area For Rectangles

Same Perimeter, Different Area For Rectangles

Can two rectangles have the same perimeter but… different areas!?