Mow A Lawn

How long would it take to mow a very large lawn with a push-mower?

Same Perimeter, Different Area For Rectangles

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

Deducing the Area of Triangles

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

How Many Students Can Fit On The Playground?

So… just how many kids could we cram onto the playground?