Unit 7, Lesson 2# Square Roots

EngageNY 45 min(s)

Students approximate the location of square roots of whole numbers on the number line. Distribute compasses, and ask students, "How can we determine an estimate for the length of the diagonal of the unit square?" How can we determine the length of the diagonal of the unit square? We can show that the number must be between 1 and 2 if we place the unit square on a number line as shown.