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Unit 1 & 2 Semester Review

Total questions: 44

Worksheet time: 3hrs 28mins

Name
Class
Date
1.
a)

F

b)

G

c)

H

d)

J

2.
a)

A

b)

B

c)

C

d)

D

3.
a)

F

b)

G

c)

H

d)

J

4.

Which represents a rational number?

a)

√110

b)

√225

c)

√65

d)

√80

5.
Which number is an irrational number?
a)
√9
b)
√49
c)
√100
d)
√120
6.
The √20 is between which two integers?
a)
2 & 3
b)
3 & 4
c)
4 & 5
d)
5 & 6
7.
Point B could represent which of the following numbers?
a)
√24
b)
√30
c)
√35
d)
√42
8.
Which list of numbers is in order from least to greatest?
a)
√23 , 5 , 6 , 43%
b)
5 , √23 , 6 , 43%
c)
43% , 5 , √23 , 6
d)
43% , √23 , 5 , 6
9.
Which set of rational numbers is arranged from greatest to least?
a)
-6/5 , -1/2 , 0 , 1/9 , 0.6 , 1.0
b)
7/6 , 0.9 , 1/2 , 3/8 , -1/10 , -0.7
c)
-3.25 , 1/8 , 7/5 , 0.5 , 1/3 , 5/6
d)
9/8 , 7/6 , -5/12 , -1.1 , -10/5 , -3.6
10.
Which of the following is rational?
a)
.211232112421125. . . .
b)
π
c)
√25
d)
√12
11.
A repeating decimal (like 4.7777...) is what type of number?
a)
Rational 
b)
Irrational
12.
A non-ending, non-repeating decimal is which type of number?
a)
Rational 
b)
Irrational
13.
Order from least to greatest:
[10, -5, 3, 16, -1, 0, 1]
a)
-1, -5, 0, 1, 3, 10, 16
b)
16, 10, 3, 1, 0, -1, -5
c)
-5, -1, 0, 1, 3, 10, 16
d)
0, -1, 1, 3, -5, 10, 16
14.
The √40 is between which two integers?
a)
7 & 8
b)
6 & 7
c)
5 & 6
d)
4 & 5
15.

Place the numbers in order from least to greatest

a)

π, 31%, -0.32, 1/3, 3.1

b)

-0.32, 31%, 1/3, 3.1, π

c)

-0.32, 1/3, 31%, 3.1, π

d)

-0.32, 31%, 1/3, π, 3.1

16.

Place numbers from least to greatest.

a)

-3/7, -0.44, √2, 0.14, 141%,

b)

-0.44, 0.14, -3/7, √2, 141%

c)

-3/7, -0.44, 0.14, 141%, √2

d)

-0.44, -3/7, 0.14, 141%, √2

17.

Place numbers in order from least to greatest.

a)

-1.7, -0.7, 1 7/10, 172%, √3

b)

-1.7, -0.7, √3, 1 7/10, 172%

c)

-0.7, -1.7, √3, 1 7/10, 172%

d)

-0.7, -1.7, 1 7/10, 172%, √3

18.

Place numbers in order from greatest to least.

a)

√2/2, 72%, 0.71, −0.71, −15/16

b)

72%, 0.71, √2/2, −15/16, −0.71

c)

√2/2, 72%, 0.71, −15/16, −0.71,

d)

72%, 0.71, √2/2, −0.71, −15/16

19.

Find the perimeter.

a)

7 cm

b)

12.25 cm

c)

28 cm

d)

49 cm

20.

Convert to Scientific Notation

a)

4.2 x 107

b)

42.67 x 106

c)

4.267 x 107

d)

4.267 x 10-7

21.

Convert to Scientific Notation

a)

8 x 10-6

b)

8 x 10-7

c)

8 x 107

d)

8 x 106

22.

Which has a value greater than 600 but less than 6000?

a)

A.

b)

B.

c)

C.

d)

D.

23.

Which statement is true about irrational numbers?

a)

A. Some irrational numbers are natural numbers.

b)

B. Irrational numbers include decimals with a repeating pattern.

c)

C. The square root of every non-perfect square will be an irrational number.

d)

D. Irrational numbers will never be real numbers.

24.

Which has the same value as 3.652 x 10-4?

a)

A.

b)

B.

c)

C.

d)

D.

25.

Which of the following could be included in section D?

a)

99\sqrt{99}

b)

6015\frac{60}{15}

c)

-20

d)

9.2

26.

Which of the following could not be included in section B?

a)

9+729+\sqrt{72}

b)

−426-\frac{42}{6}

c)

21002\sqrt{100}

d)

8

27.
a)

A

b)

B

c)

C

d)

D

28.
What is the second step when calculating the Mean Absolute Deviation?
a)
Find the distance each value is from the mean
b)
Find the mean of the distances
c)
Find the mean of the data
29.
What is the third step when calculating the Mean Absolute Deviation?
a)
Find the distance each value is from the mean
b)
Find the mean of the distances
c)
Find the mean of the data
30.
What is another word for average?
a)
Mean
b)
Median
c)
Mode
d)
Range
31.
Which of the following is the mean absolute deviation for the set of data?
2.50 3.75 1.25 2.25 3.00
a)
3.3
b)
0.66
c)
2.50
d)
2.55
32.
Which of the following is the mean absolute deviation for the set of data?
2.50 3.75 1.25 2.25 3.00
a)
3.3
b)
0.66
c)
2.50
d)
2.55
33.
Find the MAD:
58, 38, 54, 48, 26, 36
a)
43
b)
20
c)
10
d)
12
34.
What is the mean of this data set?
6, 7, 2, 1, 5, 2, 1, 6
a)
24.75
b)
3
c)
3.7
d)
3.8
35.
Find the MAD for the following set: 85, 90, 68, 75, 79
a)
79.4
b)
6.48
c)
32.4
d)
79
36.
Find the MAD of the following data sets: $29, $58, $15, $129, $75, $22
a)
196
b)
54.7
c)
114
d)
32.67
37.
Find the MAD for the following set: 65, 90, 85, 70, 70, 95, 55
a)
12.24
b)
75.7
c)
85.7
d)
40
38.
Find the Mean Absolute Deviation:  5, 11, 2, 7, 16.  The Mean is 8.2 
a)
3.2
b)
2.8
c)
1.2
d)
4.2
39.
In calculating MAD, after you find the absolute deviations you must _____________.
a)
Do nothing because you are done.
b)
Subtract them from the mean.
c)
Find the mean of the absolute deviations.
40.
An amusement park recorded the ages of the first ten people to ride a new attraction. The ages were as follows: 11, 34, 16, 18, 22, 30, 18, 20, 15, and 16. What is the mean absolute deviation of this data set? 
a)
20
b)
5.2
c)
18
d)
4.8
41.

What is the Mean and Mean Absolute Deviation of 24, 13, 12, 1, and 0?

a)

Mean:10

Mad:6.7

b)

Mean: 7.6

MAD:10

c)

Mean:10

MAD:7.6

d)

Mean-6.7

MAD-7.6

42.

What does M.A.D stand for?

a)

Mean as Dirt

b)

Mean Average Deviation

c)

Crazy

d)

Mean Absolute Deviation

43.

True or false? :The larger the Mean Absolute Deviation the more consistent the data is.

a)

True

b)

False

44.

What is Mean Absolute Deviation?

a)

The mean of the data

b)

The absolute value of the mean

c)

The variation of data values around the mode

d)

The rage distance between the data values and the mean

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