1. Vocabulary positive numbers - are greater than 0. They may be written with a positive (+), but they are usually written without it. negative numbers - are less than 0. They are always written with a negative sign (-)

2. Vocabulary opposites - on a number line, opposites are the same distance from, but on opposite sides of, 0. integers - a set of whole numbers and their opposites

3. Vocabulary absolute value - the distance of an integer from 0 on a number line - absolute values are never negative - opposite integers have the same absolute value

4. Positive/Negative Numbers in the Real World Positive or Negative? 1. a gain of 20 yards in football 2. spending $75 3. 10 feet below sea level 4. company profits

5. Name a positive or negative number to represent each situation. 1. A jet climbing to an altitude of 20,000 feet 2. taking $15 out of the bank 3. 7 degrees below zero

6. Graph each integer and it’s opposite 2 -5 1

7. Name the absolute value of each integer -4 2 What is the opposite of: 14-11 Name all integers that have an absolute value of 12.