Students study the relationship between circumference and diameter to come up with Pi. "In this pi lesson, students measure, record and find the ratio "circumference/diameter" and their average which is an approximation of pi.
8th - 9th Math 3 Views 2 Downloads
Hair & Nails: How Fast Do They Grow?
Find here a complete lesson dealing with the equations and graphs of proportional relationships, as well as what each individual point on such a graph represents. It may appeal to girls in particular, as the data details the growth rates...
6th - 8th Math CCSS: Designed