1. The Number System Integers & Absolute Value © 2013 Meredith S. Moody 1

2. Objective: You will be able to…  Use integers to represent quantities  Evaluate a given integer’s absolute value 2 © 2013 Meredith S. Moody

3. Vocabulary  Integer: A whole number, its opposite, or zero  Absolute value: The distance a number is from zero, shown by | | for example, | -7 | = 7 3 © 2013 Meredith S. Moody

4. Guided practice  Use integers to represent the following quantities:  Spent $40 -40  Gained 25 yards 25  The number of whole units between 0 and -5 on a number line 5  3 whole units below 0 on a number line -3 4 © 2013 Meredith S. Moody

5. You try  Find the absolute values:  | -4 | 4  | 10 | 10  | -15 | 15  | - ½ | ½ 5 © 2013 Meredith S. Moody