2.  Positive number – a number greater than zero. 0123456

3.  Negative number – a number less than zero. 0123456-2-3-4-5-6

4.  Opposite Numbers – numbers that are the same distance from zero in the opposite direction 0123456-2-3-4-5-6

5. Example 1: The opposite of 7is -7. What is the sum of a number and its opposite?0.0. Example 3: -9 and ___ are opposites. 9

6.  Integers – Integers are all the whole numbers and all of their opposites on the number line including zero. Example: 0, 1, 2, 3, 4 … Example: -1, -2, -3, -4 …

8.  Absolute Value – The distance a number is from 0 on a number line. Example 1: The absolute value of 3 or of –3 is 3. -5-6-4 -3 -2 01 2 3 4 56 55

9. Example: The temperature in Antarctica was 34 degrees below 0 or -34°

10. 0 10 20 30 -10 -20 -30 -40 -50 Example: The diver dove 20 feet below sea level. OR -20 feet ZERO : In this case, zero represents that you are standing at the surface of the ocean.

11. Let’s say your parents bought a car but had to get a loan from the bank for $5,000. How can we represent the amount of money your parents have as an integer? -$5,000 ZERO : In this case, zero represents that you no longer owe any money for the car.

12.  Example: Mary and George walked into an apartment building and went to the elevator. They needed to go to the sixth floor to visit their cousin. How can we represent the number of floors they ascended?  +6 ZERO : In this case, zero represents the ground floor where Mary and George walked into the elevator.

13.  If you don’t see a negative or positive sign in front of a number it is positive. +9 and 9 represent the same number

14. Write an integer to represent each situation below. You earn $30 mowing lawns. You gain 10 yards on the football field. You owe your brother $25. You lose 5 pounds on a diet.

15. Write a real-life situation to represent the integers below. Be creative! - 45 24 - 56 66