7th Grade Math

Write each fraction or mixed number as a decimal. Use bar notation if the

decimal is a repeating decimal.

Examples 1–5

1. ^2
   5
   2. - ^9
   10
   3. 7 ^1
   2
   4. - 4 ^3
   20
   55 _^1
   8


2. 
   
   
   
   • 3 _^5
     8
   
   
   
   


3. _^5
   9


4. 1 _^5
   6

Example 6 Write each decimal as a fraction or mixed number in simplest form.

9. 
   
   
   
   • 0.22 10. 0.1 11. 4.6
   
   
   
   


10. HOCKEY During a hockey game, an ice resurfacer travels 0.75 mile during
    each ice resurfacing. What fraction represents this distance?

= Step-by-Step Solutions begin on page R1.

Extra Practice begins on page EP2.

Write each fraction or mixed number as a decimal. Use bar notation if the

decimal is a repeating decimal.

Examples 1–5

13. 54 14. 21 15. - 4 254 16. - 7 201


14. 165 18. 163 19. - 5033 20. - ^1740


15. 5 87 22. 9 83 23. - 94 24. - ^89


16. 
    
    
    
    • 61 26. - 118 27. 5 ^13 28. 2 116
    
    
    
    

Example 6 Write each decimal as a fraction or mixed number in simplest form.

29. 
    
    
    
    • 0.2 30. - 0.9 31. 0.55
    
    
    
    


30. 0.34 33. 5.96 34. 2.66

3535 INSECTS A praying mantis can be

30.5 centimeters long. What mixed

number represents this length?

36. GROCERIES Suppose you buy a 1.25-pound
    package of ham for $4.99. What fraction of
    a pound did you buy?

B 37. MATH IN THE MEDIA Find examples of negative

fractions or decimals in a newspaper or magazine

or on the Internet. Write a real-world problem

in which you use negative fractions or decimals.

Write each of the following as an improper fraction.

38. 
    
    
    
    • 13 39. 7 _^1
      3
      40. - 1.028 41. - 3.2
    
    
    
    


39. MUSIC Nicolás practiced playing the cello for 2 hours and 18 minutes.
    Write the time Nicolás spent practicing as a decimal.

Lesson 1B Rational Numbers 131

127_138_C3L1_895130.indd 131 12/31/09 12:35 PM