## CHAPTER 2: POWERS, EXPONENTS, AND SQUARE ROOTS

### Lesson 1: Modelling Squares and Cubes

Lesson 2: Expressing a Number as a Power

Lesson 3: Expressing a Number in Many Ways

Lesson 4: Multiplying and Dividing Powers

Lesson 5: Combining Powers

Use these interactive activities to have fun on the Web while learning about powers, exponents, and square roots.

**Instructions for Use**

**Area of a Square **

Scroll to the bottom of the page to do the practice questions. The side length of a square is given. Determine the area of the square. Enter in your answer and check to see if it is correct.

**The Cube of a Number**

Scroll to the bottom of the page to do the practice questions. Enter in the value of each exponential expression, and then check to see if your answer is correct.

**Multiplying and Dividing Powers**

Click on the purple “Click here to begin” button. If you need help answering a given problem, press the bottom left button for a step-by-step solution. If you know the answer, click the bottom right button to check if it is correct.