Comparing and ordering worksheet



Name Period Date

Math 7 - Unit 1 – Study Guide — The Number System

1. Which expression is represented by the model below?

A. 3 + (-9) = B. 6 + (–9) C. –6 + 3 D. -6 + (9) =

2. 4 - 6 =

For the above problem, show the movement on the number line for each number. Then write

the answer (where you ended) above. (Hint: Use KIO).

3. Describe a real-life situation that involves negative numbers.

Proficiency of Skills

4. [pic] 5. [pic] 6. [pic]

7. [pic] 8. [pic] 9. [pic]

10. [pic] 11. [pic] 12. [pic]

13. [pic] 14. [pic]

15. Convert to a decimal: [pic] Answer: ____________

16. Which shows the fraction [pic] as a decimal?

A. 7.12 B. 0.712 C. 0.583 D. 0.58

17. The daytime temperature in the desert at 7:00am was 70°F. The temperature rose 6 degrees per hour over the next 4 hours. What is the temperature at 11:00am?

|A. |88(F |B. |46(F |C. |94(F |D. |76(F |

18. A sea plane is 250 feet above sea level while a deep sea diver is 140 feet below sea level. How far apart are the sea plane and the deep sea diver?

19. The Spartans lost 6 yards on their first play and lost another 8 yards on their next play. What was their net result in yards after these two plays?

A. -14 yards B. -2 yards C. 2 yards D. 14 yards

20. A trail is 13.5 miles long. There are markers every 0.25 mile along the trail, including at the end of the trail. How many markers are there in all?

A. 4 B. 5 C. 40 D. 54

21. If [pic]represents a negative number, is [pic]a positive or negative number?

22. If b = -5, what is b·b·b ?

23. Maria had $395.25 in her checking account. She made deposits of $22.75 and $103.55. She also made a purchase of $165.72. What is the balance in Sharon’s account after the deposits and purchase?

B. $687.27 B. 521.55 C. $649.76 D. 355.83

24. What two integers have the product of [pic] and the sum of 5 ?

25. When the following fractions are converted to decimals, which results in a terminating decimal?

|A. |[pic] |B. |[pic] |C. |[pic] |D. |[pic] |

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-6

-4

-2

0

2

4

6

-6

-4

-2

0

2

4

6

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