Chapter Resources Volume 1: Chapters 1-7
LAHPA11FLCRB_c05_225-234.qxd
LESSON
1/23/09
1:52 PM
Page 226
Name
Date
5.1 Practice A For use with pages 221–226
Tell whether the number is a terminating decimal or a repeating decimal.
1. 1.72w
2. 65.65
3. 0.333
4. 0.8181. . .
Show that the number is rational by writing it as a quotient of two integers.
Lesson 5.1
5. 14
1 3
9. 0.1
2 9
8. 4
7. 2
6. 5
9 14
11. 58
10. 0.45
12.
Write the fraction or mixed number as a decimal. 3 4
14.
18 5
18.
13. 17.
8 9
15. 7
3 5
1 6
5 2
19. 1
20. 4
16. 2 8 15
1 20
Write the decimal as a fraction or mixed number.
21. 0.15
22. 0.38
23. 3.8
24. 1.43
25. 5.55
26. 0.99
27. 0.7w
28. 0.24 ww
Complete the statement using , or . 3 8
9 40
29. ____ ? 0.3
30. 0.23 ____ ?
3 20
1 6
2 33
32. 0.06 ww ____ ?
31. ____ ?
Order the numbers from least to greatest. 1 1 2 5
7 2
11 3
34. , 0.3w, 3, , 3.6
33. 2 , , 2, 0.02, 0.25 2 3
5 8
35. Susan lives mile from school, Rueben lives mile from school, and Sam 7
lives mile from school. Write each fraction as a decimal. Who lives the 10 farthest from school? 9 16
36. A math book has a thickness of 1 inches. A chemistry book has a thickness of 1.6 inches. Which book is thicker?
226
Pre-Algebra Chapter 5 Resource Book
Copyright © Holt McDougal. All rights reserved.
Answers
Answers 36. Decimal form. Using fractions, you would
Lesson 5.1
have to change each fraction to an equivalent form with the same denominator before you could compare the values. Using decimals, you can just compare place values.
Practice A 1. repeating decimal
2. terminating decimal
3. terminating decimal 4. repeating decimal 38 5 7 14 38 14 5. or 6. 7. 8. or 9 1 3 9 1 1 45 9 58 1 58 9. 10. or 11. or 1 100 20 1 10 9 9 12. or 13. 0.75 14. 0.8w 15. 7.6 14 14 16. 2.16w
11
25. 5 2 0
99
7
11
32.
27. 9
368
4. 15
24. 1 100 8
28. 33
29. >
1
1
33. 0.02, 5, 0.25, 2, 2 2
7
34. 3, 3.6, 2, 3, 0.3 w 2
5
7
Practice B
19. 23. 27. 30. 31. 32. 34.
A32
6. 0.516
7. 8.28 w
10. 64.75
11. 5.84 ww
12. 17.325
13. 9.2w
14. 0.897 www
15. 10.111
16. 7.108 w
17. 200
18. 1 200
101
18
1
41
19. 143 9 31
21. 400
20. 99
22. 6 125
1
428
24. 9 495
23. 990
111
157
9 5 8
25. 2, 2 1 , , , , 2.8 0 4 2 3
1
11
26. 1 , 0, 0.19, 4, 0.25 ww, 4 0 0 22
7
25
3
27. 3, 6 8, 6.34, 4, 6, 5 4 28. 10
29. 2.5
30. 6
12. 8.15 16. 2.225
31. Sample answer: 2 5
69 10
121
32. Sample answer: 100 63
555 555 6. or 1 1
33. 0.8631; 8 ; 0.8631 is closer to 1. 1
0.32 10. 0.27 w
Review for Mastery
13. 11.3 w
14. 7.25
17. 0.38 w
18. 1.5
1 5.93w 20. 10.194 w 22. 2 5 4 1 7 16 25. 8 26. 5 25 24. 14 9 200 99 23 27 6 2 15 28. 3 30 29. 0.5 w, 0.55, 11 , 50 1 13 17 , 0.6, , , 0.69 2 20 25 11 7 8 6, 4, 1.7, 5, 1.5, 0.8 w 1 17 43 4.02, 4.1, 4 5, 4, 10, 4.41 33. Monday 7 2 0.28, terminating; 0.4, terminating; 25 5 1 0.07, terminating; 12 0.083 w, repeating;
7 100 1 6
133 133 3. or 9 9
92
86 273 86 1. 2. or 3. 1 1 1 3400 109 109 4. or 5. 1 12 12 47 47 67 7. or 8. 9. 20 20 14 15. 6.37
9. 21.2
1
35. 3 0.6 w, 8 0.625, 10 0.7; Sam lives the farthest from school. 36. chemistry book
11. 3.18 ww
5. 0.7625
8. 3.483 w
43
4
23. 3 5
100 100 2. or 1 1
3691 1. 1
19. 1.53 w
22. 50
26. 100
31.
17. 3.6
Practice C
13 21. 2 0
0.16 w, repeating 35. banana
Pre-Algebra Chapter 5 Resource Book
84 84 1. or 1 1 5. 0.4 w 1
9. 4
6. 1.8 32
12 2. 1
42 3. 17
7. 2.5625 1
10. 9 9
11. 3 9
47 47 4. or 9 9 8. 0.72 ww 13
12. 7 4 0
Challenge Practice 8
1. 9
54
2. 2 9 9
1.13w, 1.03 ww, 1.3 6. >
7.
LESSON
1/23/09
1:52 PM
Page 226
Name
Date
5.1 Practice A For use with pages 221–226
Tell whether the number is a terminating decimal or a repeating decimal.
1. 1.72w
2. 65.65
3. 0.333
4. 0.8181. . .
Show that the number is rational by writing it as a quotient of two integers.
Lesson 5.1
5. 14
1 3
9. 0.1
2 9
8. 4
7. 2
6. 5
9 14
11. 58
10. 0.45
12.
Write the fraction or mixed number as a decimal. 3 4
14.
18 5
18.
13. 17.
8 9
15. 7
3 5
1 6
5 2
19. 1
20. 4
16. 2 8 15
1 20
Write the decimal as a fraction or mixed number.
21. 0.15
22. 0.38
23. 3.8
24. 1.43
25. 5.55
26. 0.99
27. 0.7w
28. 0.24 ww
Complete the statement using , or . 3 8
9 40
29. ____ ? 0.3
30. 0.23 ____ ?
3 20
1 6
2 33
32. 0.06 ww ____ ?
31. ____ ?
Order the numbers from least to greatest. 1 1 2 5
7 2
11 3
34. , 0.3w, 3, , 3.6
33. 2 , , 2, 0.02, 0.25 2 3
5 8
35. Susan lives mile from school, Rueben lives mile from school, and Sam 7
lives mile from school. Write each fraction as a decimal. Who lives the 10 farthest from school? 9 16
36. A math book has a thickness of 1 inches. A chemistry book has a thickness of 1.6 inches. Which book is thicker?
226
Pre-Algebra Chapter 5 Resource Book
Copyright © Holt McDougal. All rights reserved.
Answers
Answers 36. Decimal form. Using fractions, you would
Lesson 5.1
have to change each fraction to an equivalent form with the same denominator before you could compare the values. Using decimals, you can just compare place values.
Practice A 1. repeating decimal
2. terminating decimal
3. terminating decimal 4. repeating decimal 38 5 7 14 38 14 5. or 6. 7. 8. or 9 1 3 9 1 1 45 9 58 1 58 9. 10. or 11. or 1 100 20 1 10 9 9 12. or 13. 0.75 14. 0.8w 15. 7.6 14 14 16. 2.16w
11
25. 5 2 0
99
7
11
32.
27. 9
368
4. 15
24. 1 100 8
28. 33
29. >
1
1
33. 0.02, 5, 0.25, 2, 2 2
7
34. 3, 3.6, 2, 3, 0.3 w 2
5
7
Practice B
19. 23. 27. 30. 31. 32. 34.
A32
6. 0.516
7. 8.28 w
10. 64.75
11. 5.84 ww
12. 17.325
13. 9.2w
14. 0.897 www
15. 10.111
16. 7.108 w
17. 200
18. 1 200
101
18
1
41
19. 143 9 31
21. 400
20. 99
22. 6 125
1
428
24. 9 495
23. 990
111
157
9 5 8
25. 2, 2 1 , , , , 2.8 0 4 2 3
1
11
26. 1 , 0, 0.19, 4, 0.25 ww, 4 0 0 22
7
25
3
27. 3, 6 8, 6.34, 4, 6, 5 4 28. 10
29. 2.5
30. 6
12. 8.15 16. 2.225
31. Sample answer: 2 5
69 10
121
32. Sample answer: 100 63
555 555 6. or 1 1
33. 0.8631; 8 ; 0.8631 is closer to 1. 1
0.32 10. 0.27 w
Review for Mastery
13. 11.3 w
14. 7.25
17. 0.38 w
18. 1.5
1 5.93w 20. 10.194 w 22. 2 5 4 1 7 16 25. 8 26. 5 25 24. 14 9 200 99 23 27 6 2 15 28. 3 30 29. 0.5 w, 0.55, 11 , 50 1 13 17 , 0.6, , , 0.69 2 20 25 11 7 8 6, 4, 1.7, 5, 1.5, 0.8 w 1 17 43 4.02, 4.1, 4 5, 4, 10, 4.41 33. Monday 7 2 0.28, terminating; 0.4, terminating; 25 5 1 0.07, terminating; 12 0.083 w, repeating;
7 100 1 6
133 133 3. or 9 9
92
86 273 86 1. 2. or 3. 1 1 1 3400 109 109 4. or 5. 1 12 12 47 47 67 7. or 8. 9. 20 20 14 15. 6.37
9. 21.2
1
35. 3 0.6 w, 8 0.625, 10 0.7; Sam lives the farthest from school. 36. chemistry book
11. 3.18 ww
5. 0.7625
8. 3.483 w
43
4
23. 3 5
100 100 2. or 1 1
3691 1. 1
19. 1.53 w
22. 50
26. 100
31.
17. 3.6
Practice C
13 21. 2 0
0.16 w, repeating 35. banana
Pre-Algebra Chapter 5 Resource Book
84 84 1. or 1 1 5. 0.4 w 1
9. 4
6. 1.8 32
12 2. 1
42 3. 17
7. 2.5625 1
10. 9 9
11. 3 9
47 47 4. or 9 9 8. 0.72 ww 13
12. 7 4 0
Challenge Practice 8
1. 9
54
2. 2 9 9
1.13w, 1.03 ww, 1.3 6. >
7.
