“It's like having a second teacher in my classroom.” ~ a teacher describing Byrdseed.TV

Mow A Lawn

Mow A Lawn

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

Same Perimeter, Different Area For Rectangles

Same Perimeter, Different Area For Rectangles

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

Discovering Pi With Sticky Notes

Discovering Pi With Sticky Notes

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

Exploring Circumference With Famous Circles

Exploring Circumference With Famous Circles

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

How Many Students Can Fit On The Playground?

How Many Students Can Fit On The Playground?

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