Math 7 - Unit 5 - Study Guide Part 1

1. What is the distance on a number line between -12 and 3?

2. Which expression is equivalent to zero

3. The offense of a high school football team gained 12 yards on first down and then lost 4 yards on second down. What expression represents the total amount of yards gained by the offense?

4. What is the value of 6 + 4 x (-3)? [Hint: PEMDAS!]

5. Emma and Jerry are playing golf. The scoreboard shows Emma scored +2 and Jerry scored -1. What is the difference between Emma and Jerry’s scores?

6. A diver jumps from a cliff that is 45 and 1/2  feet above the surface of the water. She stops descending 10 and 1/2 feet under the water. What was the total distance of her jump?

7. What is the value of 4 - (-4)?

8. Multiplicative inverses (reciprocals) are two number whose product is 1. Which pair of numbers are multiplicative inverses?

9. What is the value of

10. A gas tank holds exactly 14 gallons. If the tank is 2/3 empty, how many gallons remain in the tank?