Making Sense of Irrational Roots

STEM at Browne

irrational numbers cartoon

STEM Thursday, Tom Browne Middle, September 11th, 2014

Presenters:  Ms. Escobar, Ms. Moore,Ms. Scherer

Making Sense of Irrational Roots Lesson Plan

Engage

times table

  • What do you notice about the numbers that are highlighted?

  • Do you see any patterns in these numbers?

Explore

Square Roots go Rational Student Worksheet

Explain

  • What is a perfect square? a square root?

  • What is the difference between a rational and irrational number?

  • How can we approximate irrational numbers?

Elaborate

  • How do we convert our fraction approximations to decimals?

  • How do our approximations compare to the calculator’s approximations?

  • challenge

Evaluate

  • How can we compare natural numbers, rational and irrational numbers on a number line?

  • Time to get real!

square roots