Tag: square roots

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.

What me? Irrational?

We’ve found that some students believe that the approximation that their calculators show for irrational numbers is exact. ┬áHere’s an activity that you can advertise as long multiplication review. After they study our calculations have a discussion just to clarify…