9. ANSWER: 34
Chapter Review
Write two inequalities using the number pairs.
Use the symbols < or >.
1. –20 and –18
ANSWER: –18 > –20; –20 < –18
2. 0 and –5
ANSWER: 0 > –5; –5 < 0
Replace each _ with <, >, or = to make a true
sentence.
3. 5 _ –5
ANSWER: > 10. ANSWER: 13
11. Jamal traded away 7 shortstop cards for 5 pitcher
cards. Find an integer that represents the change in
the number of cards Jamal had after the trade.
ANSWER: –2
Find each sum.
12. –5 + (–1)
ANSWER: –6
13. –3 + (–7)
4. 7 _ 7
ANSWER: =
5. –3 _ 1
ANSWER: < 6. –14 _ –22
ANSWER: > Evaluate each expression.
7. ANSWER: 16
ANSWER: –10
14. –6 + 10
ANSWER: 4
15. 4 + (–9)
ANSWER: –5
16. 7 + (–2)
ANSWER: 5
17. 14 + (–5)
ANSWER: 9
8. ANSWER: 4
9. 18. –12 + 5 + (–6)
ANSWER: –13
19. 2 + 8 + (–3)
ANSWER: 34
10. ANSWER: eSolutions
13 Manual - Powered by Cognero
11. Jamal traded away 7 shortstop cards for 5 pitcher
ANSWER: 7
20. –4 + 9 + (–2)
ANSWER: 3
21. –7 + 5 + (–4)
Page 1
–13
19. 2 + 8 + (–3)
ANSWER: Chapter
Review
7
20. –4 + 9 + (–2)
–10
29. 3 – 5
ANSWER: –2
30. 7 – (–7)
ANSWER: ANSWER: 3
14
21. –7 + 5 + (–4)
ANSWER: –6
22. A contestant on a quiz game show has –25 points. If
she loses an additional 50 points, what is her score?
Write an addition equation and then solve.
ANSWER: –25 + (–50) = s; –75 points
23. A golfer’s scores for the last five weeks are –3, +5,
–1, –2, and +4. What is the sum of his scores?
ANSWER: 3
Find each difference.
24. 13 – 7
ANSWER: 6
25. –2 – 5
ANSWER: –7
31. –4 – 10
ANSWER: –14
32. –5 – (–9)
ANSWER: 4
33. 13 – 3
ANSWER: 10
34. –12 – (–3)
ANSWER: –9
35. –9 – (–9)
ANSWER: 0
36. The table shows the highest and lowest elevations for
North America. Find the difference between the
highest and lowest elevations.
26. 8 – (–3)
ANSWER: 11
27. –1 – (–4)
ANSWER: 3
28. –4 – 6
ANSWER: –10
29. 3 – 5
ANSWER: –2
ANSWER: 20,602 ft
37. On Mars, the temperature ranges from 68°F during the day to –220°F at night. What is the difference in temperature between day and night?
ANSWER: 288°F
Find each product.
38. –2 • 3
ANSWER: –6
30. 7 – (–7)
ANSWER: 39. –5 • 6
eSolutions Manual - Powered by Cognero
14
31. –4 – 10
Page 2
ANSWER: –30
Find each product.
38. –2 • 3
–72
49. –10(–2)(3)
ANSWER: –6
ANSWER: 60
Chapter Review
39. –5 • 6
50. 4(–7)(–3)
ANSWER: 84
ANSWER: –30
40. –7 • (–9)
51. –12(–12)(–2)
ANSWER: –288
ANSWER: 63
41. –12 • (–4)
ANSWER: 48
52. A scuba diver starts at the surface and descends at a
rate of 25 feet per minute. Write and evaluate a
multiplication expression to find the depth of the
scuba diver after 6 minutes.
ANSWER: 6(–25); –150 ft
42. 11(–7)
ANSWER: –77
43. –10(14)
ANSWER: –140
53. For each jump she completes incorrectly in an iceskating competition, Dawn receives –2 points. If
Dawn completes six jumps incorrectly and no jumps
correctly, what is her score?
ANSWER: –12
44. 5(–2)(–6)
ANSWER: 60
45. –7(4)(3)
54. A helicopter descends at a rate of 450 feet per
minute. Write and evaluate a multiplication
expression to find the change in altitude of the
helicopter after 5 minutes.
ANSWER: 5(–450); –2250 ft
ANSWER: –84
46. 10(–4)(9)
Find each quotient.
55. –16 ÷ (–4)
ANSWER: –360
ANSWER: 4
47. –3(–2)(–8)
ANSWER: –48
56. –56 ÷ (–8)
ANSWER: 7
48. 9(–8)(1)
ANSWER: –72
49. –10(–2)(3)
ANSWER: 60
50. 4(–7)(–3)
ANSWER: 84
eSolutions Manual - Powered by Cognero
51. –12(–12)(–2)
57. ANSWER: –6
58. 15 ÷ (–3)
ANSWER: –5
59. –88 ÷ –11
ANSWER: Page 3
seconds behind the leader. What was the average
time she was behind the leader?
57. ANSWER: Chapter
Review
–6
58. 15 ÷ (–3)
ANSWER: –5
59. –88 ÷ –11
ANSWER: 8
60. ANSWER: –17
61. 18 ÷ (–9)
ANSWER: 13.4 s
66. Yesterday’s high temperature in Death Valley was
114°F. What was the temperature in degrees Celsius? Use the expression
to convert
degrees Fahrenheit to degrees Celsius. Round to the
nearest integer.
ANSWER: 46°C
Graph and label each point on a coordinate
plane. Name the quadrant in which each point is
located.
67. P(7, –12)
ANSWER: ANSWER: –2
62. –144 ÷ (–12)
ANSWER: 12
63. ANSWER: –80
64. 350 ÷ (–70)
ANSWER: –5
IV
68. Q(6, 9)
ANSWER: 65. For the first five legs of a bicycle race, Elena was 32
seconds, 5 seconds, 10 seconds, 8 seconds, and 12
seconds behind the leader. What was the average
time she was behind the leader?
ANSWER: 13.4 s
66. Yesterday’s high temperature in Death Valley was
114°F. What was the temperature in degrees Celsius? Use the expression
to convert
degrees Fahrenheit to degrees Celsius. Round to the
nearest integer.
ANSWER: 46°C
eSolutions Manual - Powered by Cognero
Graph and label each point on a coordinate
plane. Name the quadrant in which each point is
located.
I
69. R(–10, 10)
ANSWER: Page 4
Chapter
Review
I
69. R(–10, 10)
III
71. T(4, –5)
ANSWER: ANSWER: II
IV
70. S(–8, –9)
ANSWER: III
71. T(4, –5)
ANSWER: 72. V(0, –1)
ANSWER: none
73. X(5, 2)
ANSWER: eSolutions Manual - Powered by Cognero
IV
Page 5
I
Chapter
Review
none
73. X(5, 2)
II
75. W(2, 0)
ANSWER: ANSWER: I
none
74. Y(–3, 3)
76. Z(–1, –4)
ANSWER: ANSWER: II
III
75. W(2, 0)
ANSWER: eSolutions Manual - Powered by Cognero
none
76. Z(–1, –4)
77. The coordinate plane shown represents a board
game. Name the quadrant in which each player’s
game piece is located.
ANSWER: Andy: I, Owen: II, Cheryl: IV, Denyce: III, and
Fabio: IV.
Page 6
Chapter
Review
III
77. The coordinate plane shown represents a board
game. Name the quadrant in which each player’s
game piece is located.
ANSWER: Andy: I, Owen: II, Cheryl: IV, Denyce: III, and
Fabio: IV.
eSolutions Manual - Powered by Cognero
Page 7