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Quiz 1-3 REVIEW: Mixed Number Formats

Total questions: 50

Worksheet time: 13hrs 30mins

Name
Class
Date
1.
Change 0.384 to a percent.
a)
3.84%
b)
384%
c)
38.4%
d)
38.4
2.
Change 4% to a decimal.
a)
.04
b)
.004
c)
.4
d)
4
3.
When converting decimals to percents, move the decimal:
a)
Two places to the left.
b)
Two places to the right.
c)
Two places up.
d)
Two places down.
4.

Write the following fraction as a percent.

a)

37.5%

b)

30%

c)

42.5%

d)

267%

5.
Convert 0.2 to a percent
a)
20%
b)
200%
c)
0.2%
d)
2%
6.
Convert 31% to a decimal.
a)
3.1
b)
0.031
c)
0.31
d)
310
7.

Convert the fraction to a percent value (round to the nearest percent):

 59/70 =

a)
84%
b)
36%
c)
38%
d)
31%
8.

Convert 56% to a fraction, in SIMPLEST form.

a)

56/100

b)

14/25

c)

28/50

d)

56/1

9.

Convert 250% to a fraction in SIMPLEST form.

a)

250/100

b)

250/1

c)

5/2

d)

25/10

10.
Convert 25% to a decimal.
a)
0.4
b)
0.04
c)
2.5
d)
0.25
11.
Convert 0.7 to a percent.
a)
7%
b)
0.7%
c)
70%
d)
700%
12.

What is 0.64 as a fraction in SIMPLEST form?

a)

64/100

b)

16/25

c)

6/4

d)

4/6

13.

Solve and write as a FRACTION in SIMPLEST form:


3.25 × 2 ⅕

a)

6 3/20

b)

8 ¼

c)

5 ⅗

d)

7 3/20

14.

Solve and write your answer as a DECIMAL

(round to the nearest tenth, if necessary):


1.875 x 2 ⅓

a)

2.3

b)

3.3

c)

4.8

d)

4.4

15.

1 ¼ - 2.75 =

a)

-1.5

b)

1.5

c)

-2 3/16

d)

4.25

16.

3.6 + 2 ⅔ =

a)

5 6/15

b)

6 4/15

c)

6 2/5

d)

18/40

17.

Solve and write as a FRACTION in SIMPLEST terms:


2⅔ ÷ 4.5

a)

16/27

b)

1/8

c)

6

d)

3/4

18.

Solve and write as a FRACTION in SIMPLEST form:


0.5 x 0.25 =

a)

1/2

b)

2/6

c)

1/8

d)

1/6

19.

Solve and write as a DECIMAL:

 1.875 − 2 151.875\ -\ 2\ \frac{1}{5}  

a)

-2.29

b)

0.333

c)

-0.325

d)

4.8

20.

Laney bought 1 2⁄3 pounds of grapes. She also bought bananas that were 2.25 times the weight of the grapes. How much did the bananas weigh?

a)

4 3⁄4 pounds

b)

3 3⁄4 pounds

c)

4 4⁄3 pounds

d)

3 4⁄3 pounds

21.

Alexandra made a rectangular quilt that measured 3.25 feet in length by 2 3⁄4 feet in width.

To find the area, multiply the length and width. What is the area?

a)

8.9375 square feet

b)

8.833 square feet

c)

8.33 square feet

22.

Find the value of

1½ x 3.5

Write in simplest form:

a)

¾

b)

⅚

c)

5 1/4

23.

Mary has a 16 1⁄2 ounce bag of chocolate chips. She will only use 0.25 of the bag for decorating a cake. How many ounces will she use for decorating?

a)

4 1⁄4 ounces

b)

4 2⁄8 ounces

c)

4 1⁄8 ounces

24.

Which is equivalent to 5 x 5 x 5 x 5 ?

a)

53

b)

54

c)

45

d)

55

25.

Which is equivalent to 4 x 4 x 4 x 4 x 4 ?

a)

46

b)

54

c)

44

d)

45

26.
The exponent equivalent of 20 x 20 x 20 is:
a)
20 x 3
b)
203
c)
320
d)
2000
27.

Which is equivalent to


7 x 7 x 7 x 7 x 7 x 7 ?

a)

75

b)

76

c)

67

d)

77

28.
What is the power to this problem?
6 x 6 x 6 x 6 x 6 x 6 x 6
a)
6 to the 7th power
b)
6 to the 8th power
c)
7 to the 9th power
d)
10 to the 5th power
29.

Evaluate the expression.


9 x 9 x 9 x 9 x 9

a)

59,049

b)

1,953,125

c)

45

30.

Evaluate the expression:


5 x 5 x 5

a)

243

b)

125

c)

15

31.

Evaluate the expression

(write in SIMPLEST form):

 (36) ×(36) ×(36) \left(\frac{3}{6}\right)\ \times\left(\frac{3}{6}\right)\ \times\left(\frac{3}{6}\right)\   

a)

 27216\frac{27}{216}  

b)

 918\frac{9}{18}  

c)

 18\frac{1}{8}  

d)

 12\frac{1}{2}  

32.

Which number is NOT a perfect square?

a)

324

b)

256

c)

296

d)

169

33.
Which is a perfect square?
a)
2
b)
24
c)
50
d)
9
34.
Which of these areas is a perfect square?
a)
12
b)
90
c)
40
d)
64
35.

Which of the following in NOT a perfect square?

a)

49

b)

81

c)

111

d)

144

36.
√100
a)
15
b)
10
c)
11
d)
12
37.
√121
a)
12
b)
10
c)
11
d)
3
38.
A perfect square is when a whole number is multiplied by itself?
a)
FALSE
b)
TRUE
39.

Estimate √50.


*Round your answer to the nearest tenth, if necessary.

a)

5.0

b)

10

c)

25.7

d)

7.1

40.

Evaluate √72.


*Round your answer to the nearest tenth, if necessary.

a)

7.2

b)

8.3

c)

8.5

d)

9.4

41.

How would you write 0.0005 in scientific notation?

a)

50 x 105

b)

5 x 10-4

c)

5 x 103

d)

.5 x 103

42.
Convert to scientific notation:
520,000,000  
a)
52 x 107
b)
5.2 x 107
c)
5.2 x 108
d)
0.52 x 109
43.

Write 7.8 x 103 in standard form.

a)

7,800

b)

78,000

c)

78

d)

0.0078

44.

Express the following in standard notation:

8.025 x 10-8

a)

.00000008025

b)

.000000008025

c)

802,500,000,000

d)

80,250,000,000

45.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
46.

Write 208,000 in scientific notation.

a)

2.08 x 105

b)

0.0208 x 10-5

c)

20.8 x 105

d)

0.208 x 106

47.

How would you write 5.64 x 108 in standard notation?

a)

564,000,000

b)

546, 000, 000

c)

56, 400, 000

d)

5,640, 000

48.

The picture above is taken from a powerful microscope showing colonies of bacteria. The size of bacteria can be as small as 2.0 x 10 ^ -7 meters. What is this number in standard notation?

a)

2,000,000

b)

0.000002

c)

20,000,000

d)

0.0000002

49.

Order the following from LEAST to GREATEST:

1/2, 2%, 2.1 x 10-2, 0.20

a)

2%, 2.1 x 10-2, 1/2, 0.20

b)

2%, 2.1 x 10-2, 0.20, 1/2

c)

0.20, 1/2, 2%, 2.1 x 10-2

d)

2.1 x 10-2, 1/2, 0.20, 2%

50.

List the following from GREATEST to LEAST:

a)

-7.6, 8.2%, 5 x 10-3, 0.69

b)

0.69, 8.2%, 5 x 10-3, -7.6

c)

5 x 10-3, -7.6, 0.69, 8.2%

d)

5 x 10-3, -7.6, 8.2%, 0.69

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