1.minuend, subtrahend, difference 3.subtraction
5.estimate 7.4, 3, 7 9.left, right 11.minus- 83 30 15. 23 17. 61 19. 224 21. 303 23.7,642
25.2,562 27. 36 29. 48 31.8,457 33.6,483
35.51,677 37.44,444 39.correct 41.incorrect
43.66,000 45.50,000 47. 29 49. 37 51. 608
53.1,048 55. 59 57.2,901 59. 102 61. 20 63. 65 - 30 67.19,929 69. 197 71.10,457 73. 303
75.48,760 77. 110 79.143,559 81.19,299 83.1,420 lb
85.2,661 bulldogs 87.1,495 mi 89.$55 91.33 points
93.1,764°F 95.17 area codes 97.$1,513 99. a.$39,565
b.$1,322 105. a.5,370,650 b.5,370,000 c.5,400,000
107.52 in. 109.5,530
1.factor, factor, product 3.commutative, associative
5.square 7. a. b. 15 15 15 15 15 15 15- a. 3 b. 5 11. a.area b.perimeter c.area
d.perimeter 13.,,( ) 15. or - 105 19. 272 21.3,700 23. 750 25.1,070,000
27.512,000 29.2,720 31.11,200 33.390,000
35.108,000,000 37.9,344 39.18,368 41.408,758
43.16,868,238 45.1,800 47.135,000 49.18,000
51.400,000 53.84 in.^2 55.144 in.^2 57.1,491
59.68,948 61.7,623 63. 0 65.1,590 67.44,486
69.8,945,912 71.374,644 73.9,900 75.2,400,000
77.355,712 79.166,500 81.72 cups 83.204 grams
85.3,900 times 87.63,360 in. 89.77,000 words
91.$73,645,500 93.72 entries 95.no 97.18 hr
99.$1,386 per night 101.84 tablets 103.54 ft^2
105.1,260 mi, 97,200 mi^2 109.20,642
1.dividend, divisor, quotient; divisor, quotient, dividend;
dividend, divisor, quotient 3.long 5.divisible 7. a. 7
b.5, 2 9. a. 1 b. 6 c.undefined d. 0 11. a. 2 b. 6
c. 3 d. 5 13.37, 333 15. a.0, 5 b.2, 3 c.sum
d. 10 17.,, 19.5, 9, 45 21.4, 11, 44
- 16 29. 29
- 325 33. 218 35. 504 37. 602 39.39 R 15
41.21 R 33 43.47 R 86 45.19 R 132 47.2, 3, 4, 5, 6, 10
49.3, 5, 9 51.none 53.2, 3, 4, 5, 6, 10 55. 70 57. 22
59.9,000 61. 50 63.4,325 65. 6 67.8 R 25 69. 160
71.106 R 3 73. 509 75.3,080 77. 5 79.23 R 211
81.30 R 13 83. 89 85.7 R 1 87.625 tickets
89.27 trips 91.2 cartons, 4 cartons 93.9 times, 28 ounces
95.14,500 lb 97.$105 99.5 mi 101.13 dozen
103.9 girls 105.$4,344, $3,622, $2,996 111.3,281
113.1,097,334
1.strategy 3.subtraction 5.multiplication 7.addition
9.multiplication 11.division 13.Analyze, Form, Solve,
State, Check 15. 40 17.$194,445 19.179 episodes
21.14 daily servings 23.24 scenes 25.26 full-size rolls,
with one smaller roll left over 27.68 documents
29.872,564 mi^2 31.$2,623 million 33.20,360 35.$462Study Set Section 1.6 (page 75)7 3 21 6 12 72^Study Set Section 1.5 (page 65)A l w A lw4 8Study Set Section 1.4 (page 50)Study Set Section 1.3 (page 36) 37.56 gal 39.used: 54 GB, free: 26 GB 41.426 ft
43.10,080 min 45.14 fireplaces, 172 bricks left over
47.179 squares 49.$730 51.23,778 mi 53.8 $20-bills,
$4 change 55.113 points 57.388 ft^2 63.Upward:
12,787. The sum is not correct. 65.Estimate: 4,200.
The product does not seem reasonable.1.factors 3.prime 5.prime 7.base, exponent
9.45, 15, 9; 1, 3, 5, 9, 15, 45 11.yes 13. a.even, odd
b.0, 2, 4, 6, 8, 10, 12, 14, 16, 18 c.1, 3, 5, 7, 9, 11, 13, 15, 17, 19
15.5, 6, 2; 2, 3, 5, 5 17.2, 25, 2, 3, 5, 5 19. a.base: 7,
exponent: 6 b.base: 15, exponent: 1 21.1, 2, 5, 10
23.1, 2, 4, 5, 8, 10, 20, 40 25.1, 2, 3, 6, 9, 18 27.1, 2, 4, 11,
22, 44 29.1, 7, 11, 77 31.1, 2, 4, 5,10, 20, 25, 50, 100- 2 4 35. 3 9 37. 7 7 39. 2 10 or 4 5 41. 2 3 5
- 3 3 7 45. 2 3 9 or 3 3 6 47. 2 3 10 or 2 2 15
or 2 5 6 or 3 4 5 49.1 and 11 51.1 and 37 53.yes
55.no, (911) 57.no, (317) 59.yes 61. 2 3 5 - 3 13 65. 32 11 67. 2 34 69. 26 71. 3 72
- 22 5 11 75. 2 3 17 77. 25 79. 54 81. 42 (8^3 )
- 77 92 85. a. 81 b. 64 87. a. 32 b. 25 89. a. 343
b.2,187 91. a. 9 b. 1 93. 90 95. 847 97. 225
99.2,808 101.1, 2, 4, 7, 14, 28, 1 2 4 7 14 28 - 22 square units, 3^2 square units, 4^2 square units
109.125 band members
1.multiples 3.divisible 5. a. 12 b.smallest 7. a. 20
b. 20 9. a.two b.two c.one d.2, 2, 3, 3, 5, 180- a.two b.three c.2, 3, 108 13. a.2, 3, 5 b. 30
- a.GCF b.LCM 17.4, 8, 12, 16, 20, 24, 28, 32
19.11, 22, 33, 44, 55, 66, 77, 88 21.8, 16, 24, 32, 40, 48, 56, 64
23.20, 40, 60, 80, 100, 120, 140, 160 25. 15 27. 24 29. 55 - 28 33. 12 35. 30 37. 80 39. 150 41. 315 43. 600
- 72 47. 60 49. 2 51. 3 53. 11 55. 15 57. 6
- 14 61. 1 63. 1 65. 4 67. 36 69.600, 20
71.140, 14 73.2,178; 22 75.3,528; 1 77.3,000; 5
79.204, 34 81.138, 23 83.4,050; 1 85.15,000 mi,
22,500 mi, 30,000 mi, 37,500 mi, 45,000 mi 87.180 min or 3 hr
89.6 packages of hot dogs and 5 packages of buns
91.12 pieces 93. a.$7 b.1st day: 4 students, 2nd day:
3 students, 3rd day: 9 students 99.11,110 101.15,250
1.expressions 3.parentheses, brackets 5.inner, outer- a.square, multiply, subtract b.multiply, cube, add,
subtract c.square, multiply d.multiply, square
9.multiply, square 11.the fraction bar, the numerator and
the denominator 13.quantity 15.4, 20, 8 17.9, 36, 16, 20 - 47 21. 13 23. 38 25. 36 27. 24 29. 12
- a. 33 b. 15 33. a. 43 b. 27 35. 100 37. 512
- 64 41. 203 43. 73 45. 81 47. 3 49. 4 51. 6
- 5 55. 16 57. 4 59. 5 61. 162 63. 27 65. 10
- 3 69.5,239 71. 15 73. 25 75. 22 77. 53 79. 2
- 1 83. 25 85. 813 87. 49 89. 11 91. 191 93. 34
- 323 97. 5 99. 14 101. 192 103. 74
105.3(7) 4(4) 2(3), $43 107.3(8 7 8 8 7), 114
109.brick: 3(3) 1 1 3 3(5), 29;
aphid: 3[1 2(3) 4 1 2], 42
Study Set Section 1.9 (page 109)Study Set Section 1.8 (page 98)Study Set Section 1.7 (page 87)A-34 Appendix V Answers to Selected Exercises