Lesson 5.1 Rational Numbers Worksheet Page 4
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5.1
Exercises
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eWorkbook Plus
More Practice, p. 807
Guided Practice
Vocabulary Check
Tell whether the number is a terminating decimal or a repeating decimal.
1. 0.667
2. 0.4747. . .
3. 35.35
4. 2.43
5. How can you tell whether a number is a rational number?
Skill Check
Show that the number is rational by writing it as a quotient of two integers.
4
1
6. 15
2
8. 5
1
7.
9.
7
3
Write the fraction or mixed number as a decimal.
2
4
1
3
5
11. 1
9
10.
12.
13.
9
5
1
5
8
Write the decimal as a fraction or mixed number.
14. 0.4
15. 0.324
16. 0.78
17. 2.6
Of the 20 students on the girls’ swim team, 9 are seniors.
Swim Teams
18.
Of the 24 students on the boys’ swim team, 10 are seniors. On which
team is the fraction of students who are seniors greater?
Error Analysis
Describe and
19.
correct the error in writing the
5.07878. . .
5.0 7 8
repeating decimal 5.07878. . .
using a bar.
Practice and Problem Solving
Show that the number is rational by writing it as a quotient of two integers.
Homework Help
7
1
20. 24
29
22. 5
21.
23.
1
8
8
Example Exercises
3
24. 1
2
26. 0.3
27. 0.87
1
20–27
25.
7
2
28–35
3
44–45
Write the fraction or mixed number as a decimal.
4
36–43
1
7
5
1
9
5
49–56
28.
29.
30.
31.
5
8
3
6
6
45, 57–60
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1
3
5
7
Online Resources
32. 3
34. 8
13
33.
35.
2
5
1
1
4
4
1
0
• More Examples
Write the decimal as a fraction or mixed number.
• eTutorial Plus
36. 0.54
37. 0.63
38. 7.6
39. 2.093
0.85
41. 0.019
5.895
1.102
40.
42.
43.
222
Chapter 5
Rational Numbers and Equations
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