## CHAPTER 1: RATIONAL NUMBERS

### Lesson 1: Interpreting Rational Numbers

Lesson 2: Comparing and Ordering Rational Numbers

Lesson 3: Adding and Subtracting Rational Numbers

Use these interactive activities to have fun on the Web while learning about rational numbers.

**Instructions for Use**

**Builder Ted**

To help Builder Ted fix the roof of his home, place bricks on the ladder from least to greatest. Try levels 2 and 3.

**Adding Integers**

Scroll to the bottom of the page. Do the addition problem and check to see if your answer is correct. To make the problems more challenging, use mental math and do not use a calculator.

**Subtracting Integers**

Scroll to the bottom of the page. Do the subtraction problem and check to see if your answer is correct. To make the problems more challenging, use mental math and do not use a calculator.