Activities for 8.NS.1

5 Activities for π day! What is π? The logic of finding the perimeters of inscribed and circumscribed polygons as the number of sides to the polygons increases....

Geometry Holidays and Annual Events Grades 4–8

Germ-Killing Wipes

In this activity, students get to dig into the real impact of disinfectant wipes. With one wipe claiming to kill 99.9% of germs and another at 99.999%, does...

Math and Science Grades 5–7

Wheel of Theodorus

Bring a little art into your math class as you begin to use the Pythagorean theorem and your students first meet irrational numbers. For Adventurer members we have...

Algebra Number Sense Grades 7–HS

What me? Irrational?

We've found that some students believe that the approximation that their calculators show for irrational numbers is exact. Here's an activity that you can advertise as long multiplication...

Number Sense Grades 5–8