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/Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY...
NAME _____________________________________________ DATE __________________ PERIOD _________
Test, Form 3A
SCORE _________
Write an integer for each situation.
45
1. a deposit of $45
1.
2. 5°C below 0
2.
-5
3. a loss of 15 yards
3.
-15 yards
For Exercises 4–6, evaluate each expression.
4. | -11 |
4.
5. | 4 | + | -6 |
5.
6. | -8 | - | -3 |
6.
7. Graph the set of integers {-3, 2, -5} on a number line.
7.
11
10
5
-6
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
8. The temperature in Athens was 30°F. Five minutes later it
was 20°F. What was the average change in temperature
per minute as an integer?
0
-3
3
8.
-2°F per minute
9. The upper atmosphere of Neptune can get as cold as
-218°C. The inner core of the planet can be as hot
as 7,000°C. What is the difference between the two
temperature extremes?
9.
7,218°C
10. What value of x makes 13 - ( -9) = x a true sentence?
10.
22
11. What value of n makes -7(4) = n a true sentence?
11.
-28
12. What value of t makes (-2) + (-11) = t a true sentence?
12.
-13
13. What value of w makes -24 - (-13) = w a true sentence?
13.
-11
14. -11 - (-3)
14.
-8
15. -25 + (-12)
15.
-37
16. 8(-11)
16.
-88
17. 40 ÷ (-8)
17.
-5
Evaluate each expression.
69
Course 2 • Chapter 3 Integers
P rinter P DF
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/Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY...
NAME _____________________________________________ DATE __________________ PERIOD _________
Test, Form 3A
SCORE _________
(continued)
6
18. 4 - (-2)
18.
19. (-3)2
19.
-6
20. −
20.
21. -7(5)
21.
22. -6(-4)
22.
23. Trent saved up $500 for summer vacation. If he
spends $25 a week for eight weeks, how much money
does he have left from his saving? Explain.
$300; (-$25)(8) or
-$200 is how much
Trent spent in 8 weeks.
23. $500 - $200 = $300.
-3
9
2
-35
24
Evaluate each expression if x = -4, y = 6, and z = -3.
24.
21
25. 20 ÷ x
25.
-5
26. 7 + z
26.
4
27. -2(3z)
27.
18
28. −
xy
12
28.
-2
29. x + y
29.
2
30. xy
30.
-24
31. x - z
31.
-1
70
Course 2 • Chapter 3 Integers
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
24. 15 - (-y)
P rinter P DF