Mow A Lawn

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

Math Curiosity: Odds & Squares

Why does the sum of the first 5 odds also equal 5 squared?

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?