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.Test, Form 3A 1. A survey shows that about 7

− 20 of the families in the United States

eat dinner together every night. Write 7 −

20 as a decimal.

2. Write -

5 − 12 as a decimal. Use a bar to show a repeating decimal.

3. Identify all sets of numbers to which 2.17117111711117…. belong.

4. Replace � with <, >, or = to make the following statement true.

-

4 − 5 � 0. − 8

5. One inch is equivalent to 2.54 centimeters. Write this value as a mixed number in simplest form.

6. Max typically drinks 3 3 −

4 cups of milk each day. Today he drank triple his usual amount. How much milk did Max drink today?

7. Find the area and the perimeter of a rectangle with a length of 5 feet and a width of 4 5

− 9 feet. Write each answer as a fraction

and as a decimal. Use bar notation if necessary.

8. Usually LeRoy practices the bass for 2 4 −

5 hours a day. Today he practiced half his usual time. For how long did he practice?

9. What is the product of -11 7 −

11 · (

-12 3 −

8 )

in simplest form?

1.

2.

3.

4.

5.

6.

7.

8.

9.

0.35

- 0.41 −

6

irrational numbers, real numbers

<

2 27

−

50

11 1 −

4 c

A = 22 7 −

9 ft 2 or 22. − 7 ft 2

P = 19 1 −

9 ft or 19. − 1 ft

1 2 −

5 hr

144

Program: Pre-Algebra

Vendor: Aptara

Component: C03_CT

Grade: AMPDF_Pages

Math Accelerated • Chapter 3 Operations with Rational Numbers 69

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Test, Form 3A (continued)

10.

11.

12.

13.

14.

15.

16.

17.

1

−

8

46 ft

1; Sample answer:

2

−

3 ·

3

−

2 =

6

−

6 = 1

5 a 3 −

18b ÷ a

−

3

7

−

12

-1 1 −

4

3 1 −

2

a) Sample answer:

divide 10 1 −

2 by 3 1

−

4 ;

round 3 3

−

13 down to

3 batches.

b) Sample answer:

multiply 5 × 3 = 15 and

5 × 1 −

4 = 1 1

−

4 = a little

more than 16 so round up to 17 cups.

10. What is the value of the expression -

2r − 5s if r = -

1 − 4 and s = 4 −

5 ?

11. Four pieces of wood, each 11 3 −

8 inches long, are required for building a frame. If all four pieces are cut from one board, how long should the board be, to the nearest whole foot?

12. What is the product of a fraction multiplied by its multiplicative inverse? Justify your answer with an example.

13. Write a division problem that has a dividend of a −

3 and a quotient of 5 a 2

− 6b .

14. Roberto bought a can of almonds. He gave 1 −

4 of the almonds to his brother, 1

− 6 to his friend, and kept the rest for himself. What

fraction of the almonds did he keep for himself?

15. What is the sum of 4 1 −

12 + (

-5 1 −

3 )

?

16. What is the value of 3x + y if x = -

2 − 9 and y = 4 1 −

6 ?

17. Lauren is making muffins. Her muffin recipe calls for 3 1 −

4 cups of flour. She has 10 1

− 2 cups of flour.

a. Explain a method for determining the number of batches of the muffin recipe Lauren can make. Then use your method to find the number of batches she can make.

b. If Lauren plans to make 5 batches of the muffin recipe, use what you know about operating with rational numbers to predict the amount of flour she needs. Justify your prediction.

Program: Pre-Algebra

Vendor: Aptara

Component: C03_CT

Grade: AMPDF_Pages

70 Math Accelerated • Chapter 3 Operations with Rational Numbers

061_072_AM_C03_CT_664446.indd Page 70 13/08/12 4:25 PM u-s010061_072_AM_C03_CT_664446.indd Page 70 13/08/12 4:25 PM u-s010 /Volumes/104/GO01101_del/Accelerated_Maths_2014/PRE_ALGEBRA.../Volumes/104/GO01101_del/Accelerated_Maths_2014/PRE_ALGEBRA...