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SCORE _____

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.Test, Form 3A

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

1. 8 ! 9

2. 6 3 ! 4

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

3. 0.02

4. 68.25

For Exercises 5–7, replace each with <, >, or = to make a true sentence.

5. 8 ! 13

5 ! 17

6. 10 ! 15

5 ! 14

7. 9 ! 19

19 ! 39

8. MEASUREMENT Order the lengths 1 ! 4 inch, 0.5 inch, and 10 !

25 inch

from least to greatest.

For Exercises 9 –16, add, subtract, multiply, or divide. Write in simplest form.

9. 2 ! 9 + 4 !

9

10. 3 ! 8 " 2 !

7

11. 7 ! 8 ÷ 5 !

6

12. 3 4 ! 5 - 2 1 !

3

13. 2 + 7 11 ! 12

14. 2 ! 3 - 4 !

9

15. 3 3 ! 5 ÷ 1 2 !

7

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

Course 2 • Rational Numbers 85

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16. 4 ! 9 " 9 9 !

16

17. WALKING It takes Mara 50 minutes to walk to her friend’s house 1 2 !

3 miles away. What is her walking pace in miles per hour?

18. RECIPES A recipe calls for 2 3 ! 4 cups of milk. If the recipe is tripled,

how much milk is needed?

19. MUSIC Tom practiced piano 1 1 ! 3 hours on Monday and 5 !

6 hour on

Tuesday. How much did he practice in all those two days?

20. GEOMETRY Find the perimeter of the figure.

3 ft12

5 ft23

4 ft16

21. FOOD A restaurant had 3 pies, each cut into eighths. By noon, 3 ! 4 of

all the pieces were sold. How many pieces of pie were sold by noon?

For Exercises 22 –25, multiply or divide.

22. h11 # h15

23. 21m10 !

-7m2

24. (5p3)(-2p-2)

25. b-9 !

b3

26. Write 1.45 ! 10-3 in standard form.

27. BACKYARD Fumi’s backyard has an area of 10,350 square feet. Write this number in scientific notation.

Test, Form 3A (continued)

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

86 Course 2 • Rational Numbers

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.

Course 2 • Rational Numbers A39

Chapter Assessment Answer Key

Ans

wer

s

Form 3A Form 3B Page 85 Page 86 Page 87 Page 88

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

0. !

8

6.75

1 ! 50

68 1 ! 4

>

>

<

1 ! 4 , 10 !

25 , 0.5

2 ! 3

3 ! 28

1 1 ! 20

1 7 ! 15

9 11 ! 12

2 ! 9

2 4 ! 5

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

4 1 ! 4

2 miles per hour

8 1 ! 4 cups

2 1 ! 6 hours

13 1 ! 3 ft

18 pieces

h26

-3m8

-10p

b-12

0.00145

1.035 " 104

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

0. !!

27

7.6

3 ! 50

86 3 ! 4

<

>

=

0.8, 7 ! 8 , 15 !

16

5 ! 7

5 ! 21

3 ! 4

4 3 ! 4

4 2 ! 5

18 ! 35

2 1 ! 2

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

10 1 ! 2

2 1 ! 10

miles

per hour

6 3 ! 4 tsp.

2 1 ! 2 hours

10 3 ! 8 feet

30 pieces

h30

8m5

-14p

b-3

0.000398

1.2564!104

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