Mow A Lawn
How long would it take to mow a very large lawn with a push-mower?
How Many Will There Be? Stairs
Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.
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.
Discovering Pi With Sticky Notes
Pi is mysterious and strange! Why not let students discover it on their own?
How Many Students Can Fit On The Playground?
So… just how many kids could we cram onto the playground?