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Pi Day Activities
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