 Math Focus 9  Student Centre • Surf for More Math • Try It Out • Web Quests  Teacher Centre  Parent Centre     ## 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.

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