Free Printable Pre-algebra

1.

The Mean, Median, Mode, and Range are also known as?

a)

Central Tendency Measures

b)

Middle values

c)

Center values

d)

Tendency of the middle

2.

What is the mode?

a)

The middle number in an ordered set of data.

b)

The difference between the greatest and least amount in the data set

c)

The value that occurs the most often in a data set

d)

The sum of all the numbers in a data set divided by the size

3.

Which is a synonym for "average?"

a)

median

b)

mode

c)

range

d)

mean

4.

What do you do if there are two numbers in "the middle" when you are finding the median?

a)

Pick your favorite number

b)

They are both the median

c)

Find the mean of the two numbers

d)

None of the above

5.

There can be more than one mean

a)

True

b)

False

6.

There can be more than one mode

a)

True

b)

False

7.

What is the first step when looking at a data set?

a)

Find the mean

b)

Sort the data into categories

c)

Find the range

d)

Put the data in ascending order

8.

The mean of the data set can be found by...

a)

finding the sum of the numbers and then dividing by the total amount of numbers in the data set

b)

subtracting the minimum from the maximum

c)

choosing the middle number

d)

choosing the number that occurs most

9.

What is the mode of the following data set...

4 , 8 , 5 , 17 , 5 , 4 , 9 , 5 , 6 , 82

a)

4

b)

9

c)

6

d)

5

10.

If you score 76, 85, 97, and 83 on your math tests for the unit, what would your median score be?

a)

84

b)

90

c)

85

d)

88

11.

Find the mean of these numbers:

5, 11, 2, 12, 4, 2

a)

2

b)

6

c)

4.5

d)

5

12.

The median of the numbers 34, 32, 12, 65, and 45 is...

a)

12

b)

32

c)

34

d)

65

13.

The range of the numbers 34, 32, 12, 65, and 45 is...

a)

11

b)

32

c)

53

d)

38

14.

The average temperatures across Washington, Texas, Oklahoma, New York, Missouri, Georgia, Hawaii and Michigan are 48°F, 65°F, 60°F, 45°F, 54°F, 64°F, 70°F and 45°F respectively. Find the median.

a)

25° F

b)

57° F

c)

56°

d)

50° F

15.

Alfonso plays basketball on a team. He has played three games so far. In the first game, he scored 10 points. In the second game, he scored 16 points. In the third game, he scored 7 points. What is Alfonso's average points per game?

a)

9 Points

b)

10 Points

c)

11 Points

16.

9(11) - (4)(7)

a)

71

b)

665

c)

52

d)

237

17.

(7-4)² + (20-19)- 10

a)

-3

b)

57

c)

0

d)

1

18.

3(9²)

a)

243

b)

25

c)

126

d)

54

19.

8 (6) - 3

a)

24

b)

45

c)

2

d)

72

20.

6² - 3 * 8

a)

72

b)

264

c)

12

d)

138

21.

PEMDAS only works if....

a)

You add then subtract

b)

You subtract then add

c)

add or subtract right to left

d)

add or subtract left to right

22.

34 + [ 16 - (8-3)]

a)

34

b)

29

c)

45

d)

28

23.

Find the Value.
14⁰

a)

14

b)

0

c)

1

d)

1/14

24.

2² + 3 x 4 − 12

a)

16

b)

4

c)

8

d)

129

25.

Which step do I do last?
24 - 3 ÷ (6 - 3 )

a)

24 -3

b)

6 -3

c)

24 - 1

d)

3 ÷ 3

26.

What step do you do after parenthesis?
14 - 3 + (2 x 4)

a)

14 - 3

b)

3 + 8

c)

3 + 2

d)

2 x 4

27.

Click here to see the problem.

a)

1

b)

2

c)

3

d)

4

28.

Click here to see the problem.

a)

66

b)

64

c)

84

d)

42

29.

Click here to see the problem.

a)

24

b)

36

c)

32

d)

16

30.

Click here to see the problem.

a)

68

b)

-4

c)

4

d)

48

31.

Click here to see the problem.

a)

31

b)

23

c)

11

d)

12

32.

Click here to see the problem.

a)

49

b)

110

c)

69

d)

305

33.

Click here to see the problem.

a)

8

b)

-64

c)

7

d)

2

34.

If the exponent on your power of 10 is positive, is your number larger or smaller than 10?

a)

Larger

b)

Smaller

35.

7.82 x 10^-⁶ is an example of scientific notation. The exponent of -6 tells you your number will be very ________.

a)

Large

b)

Small

c)

Basic

36.

Change from standard form to scientific notation: 12,000,000

a)

12.0 x 10⁷

b)

0.12 x 10⁷

c)

1.2 x 10⁶

d)

1.2 x 10⁷

37.

Change from standard form to scientific notation: 450,000

a)

4.5 x 10⁵

b)

45 x 10⁵

c)

4.5 x 10⁴

d)

4.5 x 10⁶

38.

Change from standard form to scientific notation: 0.000398

a)

39.8 x 10^-5

b)

3.98 x 10^-5

c)

3.98 x 10^-4

d)

39.8 x 10^-6

39.

Change from standard form to scientific notation: 0.004078

a)

4.078 x 10^-3

b)

4.078 x 10³

c)

40.78 x 10^-4

d)

.4078 x 10^-2

40.

125,678,000: Change to scientific notation

a)

1.25678 x 10¹²

b)

.125678 x 10^-9

c)

12.5678 x 10⁸

d)

1.25678 x 10⁸

41.

Try to change the number back to standard form: 6.79 x 10⁴

a)

679,000

b)

6,790

c)

67,900

d)

6,790,000

42.

Try to change the number back to standard form: 3.97 x 10^-2

a)

0.000397

b)

0.0397

c)

0.0000397

d)

0.397

43.

The factor multiplied by a power of 10 in scientific notation needs to be greater than or equal to one but less than ___________?

a)

1

b)

10

c)

100

d)

1,000

44.

What is 15% of 82?

a)

12.3

b)

123

c)

1.23

d)

15

45.

34% of what number is 51?

a)

69

b)

71

c)

150

d)

196

46.

Find the percent of change from 10 inches to 14 inches.

(a)

47.

Find the percent of change from 48 to 36.

(a)

48.

(25) + (-26)

(a)

49.

(-4) + (-9)

(a)

50.

18 + (-4)

(a)

51.

32 + 9

(a)

52.

(-9) - 9

(a)

53.

(-14) - (-17)

(a)

54.

13 - (-13)

(a)

55.

15 + (-15)

(a)

56.

54\div\left(-6\right)

(a)

57.

$72\div9$

(a)

58.

$\left(-81\right)\div\left(-3\right)$

(a)

59.

$\left(-7\right)\times\left(-6\right)$

(a)

60.

$\left(7\right)\times\left(12\right)$

(a)

61.

$\left(-8\right)\times13$

(a)

62.

(-13) - (-13)

(a)

63.

$\left(-11\right)^2$

(a)

64.

$\left(9\right)^2$

(a)

65.

$5-6\times\left(-7\right)$

(a)

66.

$\left(-4\right)-\left(-8\right)\div2$

(a)

67.

$8+\left(-8\right)\times\left(-7\right)$

(a)

Pre-algebra

Total questions: 67

Worksheet time: 2hrs 38mins

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