## CHAPTER 1: NUMBER RELATIONSHIPS

**Lesson 1: Representing Square Numbers **

**Goal**

Use materials to represent triangular and square numbers.

**Instructions for Use**

**Interactive Square Roots**

Click and drag pieces of the equations into the correct space. Click “Check” to see if you are correct and move on to the next level.

**Square Root**

Follow through the steps to calculate the squares. Then represent each square number using concrete materials.