Luttrell 2012
155
Answer Key
A select portion of the answers are given below. Any answer with graphics was not included.
Sheet 1a:
1. 17, Four less than a number is thirteen.
2. 3, Five more than a number is eight.
3. 3, A number less than eight is five.
9. 18, A number divided by three is six.
12. 9, A number times six is fifty-four.
Sheet 1b:
2. 3.1234322...
3. 3.040040004...
4. ½
Sheet 1c:
2. 3600
3. 86400
6. A. 315/100
6. B. 104/33
Sheet 1d:
6. A. < B. >
C. <
D. <
Sheet 1e:
2. -13
3. -12
4. 0
5. -8
6. -2
7. -14
11. 9
12. 0
13. 6
Sheet 1f:
1. 10
2. -9
3. -14
4. 3
5. 3
6. -15
7. -2
8. 2
25. 11
26. 5
27. 7
28. 16
33. 2
34. - 4
35. -3
36. 1
38. $43
40. 11
Sheet 1g:
1. 24
3. -45
5. 18
7. -60
9. -85 11. -217
13. -24
15. 70
17. 3
19. -4
21. 10
23. 9
25. -5
27. 8
29. 9
31. -1
Sheet 1h:
1. Hundred
3. Million
6. Tens
8. (5×1000) + (3×100) + (4×10) + (5×1)
13. 453,800
15. 76,876
Sheet Test review:
1. A. 40
2. A. 1
3. A. 8 C. 7 D. -20
4. C. 9
5. 406,530
6. 4(10,000) + 3(100) + 5(100) +7(1)
Chapter 1 Test: 2. A. 501,072
3. A. x – 3
4B. 900,300
5. A. 3
Sheet 2a:
4. 3∕4
5. 9∕10
6. 3∕4
Sheet 2b:
1. 3 ⅔
2. 3 7∕12
8. 2⅓
9. 23∕8
11. 72∕7
15. 53∕10
16. 66∕5
Sheet 2c:
1. 1 1∕12
3. 1 1∕4
5. 1 23∕26
7. 3∕4
9. 1 21∕45
11. 1 1
3∕24
Sheet 2d:
1. ⅔
3. ¼
5. 6∕7
7. 12 1∕10
9. 2¼
11. -2
13. 15
15. 40
17. 2∕5
19. 2∕7
21. 1 25∕27
Sheet 2e:
1. 43 ½
3. 6⅞
7. 37
8. 6⅓
Sheet 2f:
3. –x
2
+ 4xy + y
2
5. 4x
2
+ 2x + 2
7. 8x
3
– 15x
2
+ 3x + 8
11. x + 4
12. x + 4
Sheet 2g:
1. -7
3. 7
5. -17
7. 24
9. -30
11. -96
13. 98
15. -324
17. -18
19. 3
21. 0
23. 10
