Topic lessons are listed after each item on the Practice Tests. Review as necessary. Test tomorrow!
Answers to Practice Tests and Reteaching exercises are listed below.
Practice Test 5 Answers
1. C 2. D 3. A 4. C 5. D 6. B 7. A 8. C 9. B 10. B 11. A 12. A 13. C 14. D 15. D
Practice Test 6 Answers
1. B 2. B 3. D 4. D 5.
C 6. C 7.
C 8. A 9.
A 10. B 11. D
Practice Test 7 Answers
1. C 2. C 3. B 4. B 5. C 6. A 7. B 8. A 9. C 10. D 11. D 12. B 13. A 14. D 15. D
Practice Test 8 Answers
1. C 2. B 3. C 4. D 5. D 6. C 7. A 8. B 9. A 10. A 11. D 12. B 13. C 14. A 15. B
Topic 5 Extra Practice Answer Key
Set A
1. 8 × 6 =
48; 480
2. 3 × 4 =
12; 120
3. 6 × 5 =30 ;300
4. 5 × 3 = 15; 1,500
5. 7 × 4 = 28; 2,800
6. 2 × 9 = 18; 1,800
7. 3 × 7 = 21; 2,100
8. 8 × 8 = 64; 640
9. 1 × 4 = 4; 400
10. 3 × 6 = 18; 180
11. 2 × 9 = 18; 180
12. 9 × 8 = 72; 7,200
13. 5 × 7 = 35; 350
14. 2 × 7 = 14; 140
15. 3 × 3 = 9; 900
16. 4 × 9 = 36; 360
17. 7 × 7 = 49; 490
18. 5 × 4 = 20; 2,000
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Set B
1. 78
2. 138
3. 441
4. 216
5. 435
6. 84
7. 144
8. 168
9. 549
10. 196
11. 282
12. 648
13. 360
14. 304
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Set C
1. 640
2. 1,500
3. 500
4. 4,200
5. 2,800
6. 360
7. 450
8. 6,300
9. 1,500
10. 600
11. 1,000
12. 900
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Set D
1.
Mitchell will make 80 dollars
2. $36
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SET E
1. 168
2. 84
3. 375
4. 212
5. 176
6. 126
7. 96
8. 225
9. 294
10. 111
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SET F
1. 36
2. 240
3. 198
4. 679
5. 248
6. 200
7. 360
8. 352
9. 432
10. 378
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SET G
1. 956
2. 740
3. 1,398
4. 6,3491
5. 1,044
6. 2,000
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SET H
1. 168 hours
2. 648 pounds
3. $10
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Topic 6 Extra Practice
Answer Key
Set A
1. 36; 45; 56
2. 56; 64; 72
3. 98; 42; 14
4. 3; 6; 7
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Set B
1. 15; 3
2. 66; 79
3. 2; 2
4. 8; 21
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Set C
1. 3; 30
2. 4; 32
3. 10; 6
4. 5; 7
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Set D
1.
Lisa is on the Blue Jays
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Topic 7 Extra Practice Answer Key
Set A
1. 40
2. 7,000
3. 48,000
4. 200,000
5. 2,700
6. 6,000
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Set B
1. 2,000
2. 2,400
3. 5,400
4. 2,100
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Set C
1. 448
2. 768
3. 952
4. 1,080
5. 1,638
6. 1,269
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Set D
1. 390
2. 1,680
3. 820
4. 780
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SET E
1. 1,908
2. 414
3. 2,409
4. 2.294
5. 3,584
6. 3,189
7. 28,000
8. 8,400
9. 7,500
10. 90,000
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SET F
Problem 1: 42
Souvenirs
Problem 2: $84
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Topic 8 Extra
Practice Answer Key
Set A
1. 50
2. 9,000
3. 800
4. 6,000
5. 500
6. 60
7. 90
8. 8,000
9. 900
10. 7,000
11. 1,000
12. 70
13. 300
14. 7,000
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Set B
1. 90
2. 40
3. 60
4. 10
5. 120
6. 160
7. 70
8. 90
9. 70
10. 90
11. 70
12. 40
13. 10
14. 20
15. 50
16. 60
17. 70
18. 30
19. 80
20. 60
|
Set C
1. 5 R1
2. 7 R1
3. 8 R3
4. 4 R2
5. 9 R1
6. 6 R3
7. 9 R6
8. 7 R5
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Set D
1. 7 CDs, 3 left over
2. 4 nickels, 0 left over
3. 15 dimes, 2 left over
4. 12 nickels, 5 left over
|
SET E
1. 6 R1
2. 16 R1
3. 3 R4
4. 26 R1
5. 12 R2
6. 28 R1
7. 23 R2
8. 15 R2
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SET F
1. 112
2. 130 R1
3. 132 R2
4. 121 R2
5. 101 R3
6. 114 R2
7. 103
8. 116 R2
|
SET
G
1. 9×5; 15×3
2. 10×4; 8×5
3. 8×7; 28×2
4. 9×7; 21×3
5. 6×6; 9×4
6. 4×4; 8×2
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SET H
1. Prime
2. Composite
3. Composite
4. Prime
5. Prime
6. Composite
|
SET K
1. $352
2. 325 minutes
|
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