Free Printable GMAS Review 7th Grade

1.

When adding integers with the same sign you ________________.

a)

Subtract and keep the sign of the larger number.

b)

Add and keep the sign.

2.

A positive PLUS a positive will give you what on your final answer.

a)

Positive

b)

Negative

3.

A negative PLUS a negative will give you what on your final answer.

a)

Positive

b)

Negative

4.

-6 + 4 =

a)

-2

b)

2

c)

10

d)

-10

5.

-7 - 2 =

a)

-9

b)

9

c)

5

d)

-5

6.

-2 + 4 =

a)

-2

b)

2

c)

0

d)

-4

7.

-5 − (-7)

a)

-12

b)

12

c)

2

d)

-2

8.

A positive MULTIPLIED/DIVIDED by a positive will give you what answer?

a)

Positive

b)

Negative

9.

A negative MULTIPLIED/DIVIDED by a negative will give you what answer?

a)

Positive

b)

Negative

10.

A positive MULTIPLIED/DIVIDED by a negative will give you what answer?

a)

Positive

b)

Negative

11.

- 8 ÷ 1 =

a)

-1

b)

8

c)

-8

d)

7

12.

5 x ( -3) =

a)

8

b)

15

c)

-15

d)

2

13.

12 ÷ -6 =

a)

2

b)

6

c)

-2

d)

-6

14.

2(5 + (-2)) =

a)

-15

b)

15

c)

6

d)

-6

15.

(-5)(3)(-1)(2) =

a)

30

b)

-30

c)

15

d)

-15

16.

$7\ -\ \left(-25\right)$

a)

18

b)

-18

c)

32

d)

-32

17.

Which of the following expressions has the greatest value?

a)

-7 + (-3)

b)

11 − (-5)

c)

-9 + 5

d)

12 − 6

18.

What do you get when you multiply a negative by zero?

a)

Positive

b)

Negative

c)

Zero

19.

Any integer divided by zero such as $\frac{10}{0}$ is always _____

a)

zero

b)

natural number

c)

integer

d)

undefined

20.

$\frac{\left(-10+10\right)}{20}$

a)

-1

b)

0

c)

1

d)

10

21.

Kenneth has g gumballs. Maggie has 29 fewer gumballs than Kenneth. Choose the expression that shows how many gumballs Maggie has.

a)

g+29

b)

g-29

c)

29g

d)

g ÷ 29

22.

A cell phone company charges $40 per month plus a $35 activation fee. What is the expression for the total cost for m months?

a)

40 - 35m

b)

40m - 35

c)

40m + 35

d)

40 + 35

23.

You and four friends plan a surprise party. Each of you contributes the same amount of money m for food. What is the algebraic expression for the total amount of money contributed for food?

a)

5m

b)

4 + m

c)

5 / m

d)

4m

24.

Mitch has 35 more bouncy balls than Rudy. Rudy has b bouncy balls. Choose the expression that shows how many bouncy balls Mitch has.

a)

35 - b

b)

b

c)

35

d)

b + 35

25.

Which expression matches: the product of nine and a number

a)

9 + x

b)

9x

c)

9 ÷ x

d)

9 - x

26.

A pizza delivery driver earns $8 an hour and works h hours per day. He also spends $20 a day on gas. How much will the driver earn in one day?

a)

8h - 20

b)

8h + 20

c)

8 + 20

d)

8 - 20h

27.

Your mom wins $100 on a scratch-off ticket. She wants to split it between you and your sisters. How much will each of you receive if there are c children?

a)

100 - c

b)

100 + c

c)

100 ÷ c

d)

100c

28.

X+X+X+X+X

a)

X + 5

b)

5X

c)

X+X+X+X+X+5

d)

X to the 5th power

29.

a + a + a + a

a)

a + 4

b)

4a

c)

a to the fourth power

d)

4a + 4

30.

y + x + y + y + x

a)

2 + 3

b)

x + y

c)

2x + 3y

d)

5xy

31.

2r + 2 + 5r - 2 + r

a)

8r

b)

8r - 4

c)

12r

d)

7r + 4 + r

32.

6x + 1 + 7x

a)

13x - 1

b)

14x

c)

7x + 6x + 1

d)

13x + 1

33.

3 + 12c - 4c

a)

16c + 3

b)

8c + 3

c)

5c

d)

8c

34.

6x + 2x

a)

8x

b)

12x

c)

8

d)

12

35.

3 + 5x + 4

a)

5x ∙ 7

b)

12x

c)

35x

d)

5x + 7

36.

4x + 3 + 7x

a)

14x

b)

11x + 3

c)

28x + 3

d)

11x - 3

37.

5z - 4z

a)

1z

b)

9z

c)

20z

d)

0

38.

Tracy has 16 oatmeal cookies. She splits them evenly among b bags. Choose the expression that shows how many cookies are in each bag.

a)

b – 16

b)

16

c)

16b

d)

16 ÷ b

39.

Five times Connor's age increased by 9

a)

5(x+9)

b)

9(5+x)

c)

9x+5

d)

5x+9

40.

I went to the mall with $75 and bought a pair of shoes and a few candy bars for $1.25 each. How much did I spend?
Write an expression for the situation.

a)

75 - x - 1.25y

b)

75 - x - 1.25

c)

75 + x + 1.25y

41.

-6x = 30

a)

x = - 5

b)

x = 24

c)

x = 5

d)

x = 36

42.

$\frac{t}{-8}=\ -5$

a)

t = 3

b)

t = -40

c)

t = -3

d)

t = 40

43.

Solve the following equation

2y = 18

a)

y = 36

b)

y = 16

c)

y = 9

d)

y = 20

44.

Solve the equation:
-5x = 25

a)

x = 20

b)

x = -20

c)

x = -5

d)

x = 5

45.

Solve for x.

x - 8 = -5

a)

x = 13

b)

x = -13

c)

x = 3

d)

x = -3

46.

What is the solution of the equation?
8 = x + 1

a)

9

b)

7

c)

6

d)

8

47.

Solve the equation:
x + 7 = 12

a)

x = 5

b)

x = 19

c)

x = 4

d)

x = 84

48.

2d + 7 = 9

a)

1

b)

7

c)

4

d)

3

49.

11 = 3z + 5

a)

2

b)

6

c)

1

d)

4

50.

2s - 4 = 6

a)

5

b)

3

c)

-5

d)

2

51.

-6p - 3 = 9

a)

-2

b)

2

c)

6

d)

3

52.

-14 = 4x - 2

a)

-3

b)

3

c)

6

d)

1

53.

2c + 2 = 10

a)

4

b)

5

c)

3

d)

-4

54.

3 + 9n = 21

a)

2

b)

-2

c)

6

d)

3

55.

-(n - 8) = -2

a)

6

b)

10

c)

-10

d)

-6

56.

What is the inverse operation of division?

a)

Division

b)

Multiplication

c)

Addition

d)

Subtraction

57.

What what is the inverse operation of subtraction?

a)

addition

b)

subtraction

c)

multiplication

d)

division

58.

Solve

-124 = 4 (1+ 8k)

a)

-11

b)

10

c)

-4

d)

-2

59.

5x - 4 + 2x = 3

a)

1

b)

2

c)

3

d)

4

60.

When you graph an inequality, you used a closed dot when you use which symbols?

a)

≤, ≥

b)

<, >

61.

When graphing an inequality, you use an open dot when you use which symbol?

a)

<, >

b)

≤, ≥

62.

Match the graph with its inequality.

a)

11 < a

b)

11 > a

c)

11 ≤ a

d)

11 ≥ a

63.

10 ≥ x - 3

a)

x ≤ 13

b)

x ≥ 13

c)

x ≤ 7

d)

x ≥ 7

64.

8x ≥ -32

a)

x ≥ -4

b)

x ≥ 4

c)

x ≤ -4

d)

x ≥ 4

65.

4x - 2 ≤ -22

a)

x ≥ -5

b)

x ≥ -6

c)

x ≤ -6

d)

x ≤ -5

66.

s + 9 ≥ -25

a)

s ≥ -18

b)

s ≥ -34

c)

s ≤ 18

d)

s ≥ 34

67.

6 - 2h > 30

a)

h < 24

b)

18 > h

c)

h > 12

d)

h < -12

68.

Match the graph with its inequality.

a)

11 < a

b)

11 > a

c)

11 ≤ a

d)

11 ≥ a

69.

Solve.

a)

x > -28

b)

x > 28

c)

x > -14

d)

x > 14

70.

A cookie recipe calls for 3 cups of flour and 2 cups of chocolate chips. What is the ratio of chocolate chips to flour?

a)

3 : 2

b)

3 to 2

c)

6 : 4

d)

2 : 3

71.

Which sentence accurately represents the following ratio:

a)

The ratio of moons to suns is 4 to 8

b)

There are 4 moons for every 8 suns

c)

There are 4 moons for every 2 suns

d)

The ratio of suns to moons is 2:1

72.

Which ratio is equivalent to 5 to 4

a)

4 to 5

b)

10 to 12

c)

25 to 20

d)

15 to 8

73.

Select ALL the ratios that are equivalent to 16 : 6

a)

3 to 8

b)

32 : 12

c)

4 to 2

d)

8 to 3

74.

Typically on a baseball team, there are 14 position players and 12 pitchers. What is the ratio of pitchers to position players.

Select all ratios that could be written for the situation (some may be simplified).

a)

12:14

b)

14 to 12

c)

12/14

d)

6 to 7

e)

7:6

75.

In a bag of Jolly Ranchers, the ratio of blue to red is 3 to 4. If I have a 15 blue jolly ranchers, how many are red jolly ranchers are there in the bag?

(a)

76.

Are these ratios equivalent?

\frac{2}{3}

and

\frac{8}{9}

a)

yes

b)

no

77.

What value is missing from the top right corner of the ratio table?

a)

12

b)

11

c)

10

d)

9

78.

John runs 18 miles in 6 hours. At this rate, how many miles can John run in one hour

a)

3

b)

5

c)

2

d)

4

79.

John drives 54 miles in 9 days. What is his unit rate?

a)

5 mi/ 1 day

b)

4 mi/ 1 day

c)

6 mi/ 1 day

d)

9 mi/ 1 day

80.

Tyler is trying out for cross-country. He currently runs 12 miles in 3 hours. The coach needs runners who can run 5mi per hour or less. Does he make it? Why?

a)

No, he runs 3 mi per hour.

b)

Yes, he runs 4 mi per hour.

c)

No, he runs 4 mi per hour.

d)

Yes, he runs 3 mi per hour.

81.

Shane is driving 36 mi in 3 hours. What is his speed

a)

6 mi/hour

b)

9 mi/hour

c)

12 mi/hour

d)

16 mi/hour

82.

24 mi : 2 hours

? mi : 1 hour

(a)

83.

A unit rate is a rate in which the unit in the denominator is:

a)

0

b)

3

c)

1

d)

2

84.

A shop produces 39 wetsuits every 2 weeks. How long will it take the shop to produce 429 wetsuits?

a)

18 wk

b)

20 wk

c)

22 wk

d)

24 wk

85.

Is the graph proportional or non proportional?

a)

proportional

b)

non proportional

86.

Is this table proportional?

a)

yes

b)

no

c)

I'm not sure, I need extra help!

87.

What makes a graph proportional?

a)

Linear

b)

The line goes through the origin

c)

Curvy line

d)

Linear and the line goes through the origin

88.

Is this table proportional or non-proportional?

a)

Proportional

b)

Non-Proportional

c)

both

d)

neither

89.

Do the following ratios form a proportion?

10/16 and 18/28

a)

Yes, because they have the same numerators.

b)

No, because they do not have the same denominator.

c)

Yes, because they are the same when reduced to their lowest form.

d)

No, because they are not the same fractions.

90.

Which graph shows only a direct variation between x and y?

a)

b)

c)

d)

91.

Which of the following shows a true proportion?

a)

5/7 = 7/5

b)

5/7 = 25/49

c)

5/7 = 7/9

d)

5/7 = 15/21

92.

Which graph shows a proportional relationship?

a)

b)

c)

d)

93.

Which table represents a direct variation between x and y?

a)

b)

c)

d)

94.

The distance between two cities on a map is 4.125 inches. Find the actual distance if the scale on the map is 2 inches = 40 miles.

a)

165 miles

b)

50 miles

c)

82.5 miles

d)

41.25 miles

95.

Amanda made a scale drawing of a square garden, which has a side length of 25 feet. She used the scale 2 inches = 5 feet.

What will be the area of the scale drawing?

a)

10 in²

b)

25 in²

c)

100 in²

d)

484 in²

96.

The pair of figures is similar. Find the missing side.

a)

x = 20

b)

x = 12

c)

x = 5

d)

x = 4

97.

The pair of figures is similar. Find the missing side.

a)

x = 10

b)

x = 4

c)

x = 2

d)

x = 5

98.

The pair of figures is similar. Find the missing side.

a)

x = 1

b)

x = 3

c)

x = 9

d)

x = 5

99.

Find missing side

a)

5

b)

7

c)

9

d)

11

100.

What is 12% of 40?

a)

5

b)

4.8

c)

4

d)

12

101.

75% of what number is 48?

a)

48

b)

100

c)

64

d)

75

102.

What is 19% of 50?

a)

9.5

b)

10

c)

15

d)

11

103.

The bill amount is $6.68.

What would the tip be if you left 23%?

a)

$4.22

b)

$5.91

c)

$1.54

d)

$0.52

104.

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

a)

35%

b)

25%

c)

30%

d)

20%

105.

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent change rounded to the nearest percent?

a)

24%

b)

20%

c)

11%

d)

50%

106.

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

a)

52%

b)

41%

c)

42%

d)

45%

107.

The Game Stop is having a sale on an originally $60.64 game. It is on sale for $29.99. What is the percent change?

a)

50.5% Decrease

b)

50.5% Increase

c)

505% Decrease

d)

505% Increase

108.

What is the formula for simple interest?

a)

A=P(1+r)^t

b)

I=Prt

c)

I=P(1+r)t

d)

A=Prt

109.

Dan borrowed $2,000 for 6 months at 12% annual simple interest rate. How much interest is that?

a)

$120

b)

$144

c)

$1,200

d)

$1,440

110.

Find the simple interest earned for principal of $2,000 at and 8% rate for 5 years.

a)

$160

b)

$800

c)

$80,000

d)

$16

111.

What type of pair are x and the angle that measures $148\degree$ have?

a)

Supplementary

b)

Complementary

c)

Adjacent

d)

Vertical

112.

Which equation would help find the measure of $\angle x$ ?

a)

94+x=117

b)

117+x =94

c)

117+94=x

113.

What is the measure of angle x?

a)

117

b)

94

c)

23

114.

The measure of ∠BAD = 110°. What is the measure of ∠CAD?

a)

82^o

b)

90^o

c)

72^o

d)

62^o

115.

Which are pairs of vertical angles? Select all that apply.

a)

∠COB & ∠COA

b)

∠AOD & ∠AOC

c)

∠COB & ∠AOD

d)

∠BOD & ∠AOD

e)

∠DOB & ∠COA

116.

What angle pair is pictured?

a)

Alternate Interior Angles

b)

Supplementary Angles

c)

Vertical Angles

d)

Complementary Angles

117.

Find the missing angle. Find x.

a)

20^o

b)

70^o

c)

160^o

d)

180^o

118.

Find the missing angle.

a)

53

b)

67

c)

77

d)

43

119.

Find the missing angle.

a)

28

b)

32

c)

60

d)

38

120.

Find the value of x.

a)

15

b)

16

c)

18

d)

19

121.

Find the missing angle.

a)

45

b)

65

c)

75

d)

55

122.

What is the measure of the missing angle?

a)

76

b)

86

c)

166

d)

156

123.

Find the circumference with a diameter of 18.4 km. Use 3.14 for pi.

a)

23.7 km

b)

57.8 km

c)

19.3 km

d)

59.1 km

124.

Find the circumference with a radius of 5.8 cm. Use 3.14 for pi.

a)

37 cm

b)

38.3 cm

c)

36.4 cm

d)

42.7 cm

125.

Find the circumference with a diameter of 6.8 m. Use 3.14 for pi.

a)

22.7 m

b)

31.5 m

c)

21.4 m

d)

25.8 m

126.

Find the circumference with the a radius of 8 cm. Use 3.14 for pi.

a)

51.8 cm

b)

22.2 cm

c)

17.8 cm

d)

50.2 cm

127.

Find the area of the circle

a)

43.96

b)

153.86

c)

87.82

d)

307.72

128.

find the area of the circle below.

a)

100 cm

b)

225 cm

c)

9 cm

d)

28.26 cm

129.

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

a)

63.585 ft²

b)

68.345 ft²

c)

64.585 ft²

d)

61.345 ft²

130.

What is the area of this circle?

a)

163.2

b)

15.3

c)

124.2

d)

113.1

131.

The largest cookie ever baked measured a radius of 51 feet. Which of these is the closest to the area of the cookie?

a)

2601 ft²

b)

8167 ft²

c)

2042 ft²

d)

162 ft²

132.

What is the area of this circle?

a)

15393.8

b)

1248.12

c)

5930.12

d)

3848.45

133.

What is the area of the Base?

a)

$18\ cm^2$

b)

$28\ cm^2$

c)

$8\ cm^2$

d)

$14\ cm^2$

134.

What is the area of the

Base?

a)

$44\ cm^2$

b)

$66\ cm^2$

c)

$6\ cm^2$

d)

$12\ cm^2$

135.

What is the total surface area of the prism?

a)

$100\ cm^2$

b)

$88\ cm^2$

c)

$148\ cm^2$

d)

$108\ cm^2$

136.

What is the total surface area of the prism?

a)

$161\ ft^2$

b)

$136\ ft^2$

c)

$186\ ft^2$

d)

$171\ ft^2$

137.

What is the total surface area of the triangular prism shown?

a)

468 in²

b)

540 in²

c)

576 in²

d)

700 in²

138.

Find the total surface area of the prism.

a)

48 square inches

b)

64 square inches

c)

88 square inches

d)

76 square inches

139.

What is the total surface area of the cylinder to the nearest square inch?

a)

625 in²

b)

1300 in²

c)

1046 in²

d)

414 in²

140.

Find the Total Surface area of the cylinder.

a)

62.8m

b)

477.28 cm²

c)

235.5 cm³

d)

942 cm²

141.

What is the total surface area of the cylinder to the nearest square inch?

a)

625 in²

b)

1300 in²

c)

1046 in²

d)

414 in²

142.

Find the total Surface Area of the cylinder. Round to the nearest tenth.

a)

3015.9 cm²

b)

1155.5 cm²

c)

578.1 cm²

d)

779.1 cm²

143.

a)

55 yd³

b)

121 yd³

c)

22 yd³

d)

330 yd³

144.

Find the volume of the figure. Round to the nearest tenth.

a)

80 cm³

b)

40 cm²

c)

80 cm²

d)

40 cm³

145.

Find the volume of this triangular prism.

a)

1440 cm³

b)

60 cm³

c)

720 cm³

d)

180 cm³

146.

Find the volume of the figure.

a)

210 in3

b)

260 in3

c)

2160 in3

d)

2610 in3

147.

Find the volume of the cylinder.

a)

4239

b)

1696

c)

1130

d)

565

148.

Given a cylinder with the height of 10cm and the base radius of 9cm. Find the volume of this cylinder to the nearest tenth.

a)

810 cm³

b)

2543.4 cm³

c)

847.8 cm³

d)

2826 cm³

149.

Find the volume of the figure. Round to the nearest tenth.

a)

128.6 units³

b)

1,286.1 units³

c)

401.9 units³

d)

5,144.6 units³

150.

Find the volume of the cylinder. Round your answers to the nearest tenth if necessary. Use 3.14 for π.

a)

16.4 cm³

b)

31.7 cm³

c)

31.4 cm³

d)

22.0 cm³

151.

Soda is sold in aluminum cans that measure 6 inches in height and 2 inches in diameter. How many cubic inches of soda are contained in a full can?

a)

12.0

b)

24.0

c)

75.4

d)

18.8

152.

If you flip a penny, how many possible results are there?

a)

1

b)

1,2

c)

2

d)

heads, tails

153.

Possible results of an experiment are called . . .

a)

outcomes

b)

trials

c)

likelihoods

d)

favorable answers

154.

In order to figure out who will go first in a game, your friend asks you to pick a number between 1 and 5. What are the possible outcomes?

a)

1

b)

1,2,3,4,5

c)

5

155.

In order to figure out who will go first in a game, your friend asks you to pick a number between 1 and 9. What are the favorable outcomes of choosing an even number?

a)

4

b)

1,3,5,7

c)

2,4,6,8

d)

9

156.

You roll a die. What are the favorable outcomes of rolling a number divisible by 5?

a)

1,5

b)

1,2,3,4,5,6

c)

4,5,6

d)

5

157.

You roll a die. What are the favorable outcomes of rolling a number less than 5?

a)

1,2,3

b)

1,2,3,4

c)

5,6,7

d)

5,6

158.

A small pack of Skittles contains 1 yellow, 3 red, 2 green and 3 orange. What are the possible outcomes?

a)

yellow, red, green, orange

b)

red, red, red

c)

yellow, red, red, red, green, green, orange, orange, orange

d)

green

159.

If you flipped a coin 100 times, how many times would you expect to flip heads?

a)

20

b)

100

c)

25

d)

50

160.

A small pack of Skittles contains 1 yellow, 3 red, 2 green and 3 orange. What are the favorable outcomes of NOT getting orange?

a)

yellow, red, green

b)

orange, orange, orange

c)

yellow, red, red, red, green, green

d)

yellow, red, red, red, green, green, orange, orange, orange

161.

You have the following scrabble tiles. How many favorable outcomes are there of using a vowel?

a)

2

b)

1

c)

0

162.

You have the following Scrabble tiles. How many favorable outcomes are there of using an L?

a)

0

b)

1

c)

2

163.

We spin the wheel once to find who sits in the front seat. What are the possible outcomes?

a)

Cole, Brody, Taylor, Maddie, Serenity, Kandace

b)

Brody, Maddie, Taylor

c)

Cole, Brody

164.

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

a)

2/18

b)

1/9

c)

2/20

d)

1/10

165.

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?

a)

2/7

b)

5/49

c)

5/7

d)

10/49

166.

What is the probability of spinning an even number?

a)

25%

b)

33%

c)

50%

d)

75%

167.

The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a "M"?

a)

8/121

b)

4/11

c)

2/11

d)

4/121

168.

What is the probability of spinning the spinner and landing on and A? (Remember to simplify your answer)

a)

1/8

b)

3/4

c)

3/8

d)

1/4

169.

What is the probability of spinning a yellow, green, or blue?

a)

3/4

b)

1/12

c)

1/3

d)

1/16

170.

A box has 3 limes, 5 grapes, and 2 oranges. What is the probability of reaching into the box and choosing a fruit that is NOT lime?

P (NOT lime)

a)

3/10

b)

30%

c)

7/10

d)

Answer Not Here

171.

What is the probability of spinning the spinner and landing on blue?

a)

3/8

b)

1/8

c)

3/4

d)

1/4

172.

What is the probability of flipping this quarter and landing on tails?

a)

1/4

b)

1/3

c)

1/2

d)

2/3

173.

Look at the set of blocks. What is the probability of choosing a red block? (simplify your answer)

P(red) =

a)

1/5

b)

2/7

c)

1/6

d)

1/12

174.

Experimental Probability is:

a)

What Will happen

b)

What actually happens

c)

What should happen

d)

What I think Happens

175.

Theoretical Probability is?

a)

What Should happen

b)

What does happen

c)

What Will Happen

d)

What I want to Happen

176.

What is the Theoretical Probability of not landing on red?

a)

25%

b)

50%

c)

65%

d)

66.7%

177.

The bar graph shows the results of spinning the spinner 200 times. What is the experimental probability of landing on a 3?

a)

b)

c)

d)

178.

The arrow is spun 15 times and landed 4 times on the section labeled Q. Which statement is true?

a)

b)

c)

d)

179.

Shannon has a bag of jelly beans. She removed one jelly bean, recording the color, and then replaced it. She repeated the process 44 times and record her results in the table. What is the experimental probability of her selecting a red jelly bean?

a)

b)

c)

d)

180.

A bag has 4 green marbles, 3 red, 2 blue and 1 yellow. What is the theoretical probability of pulling a red?

a)

3/10

b)

3/6

c)

1/9

d)

1/3

181.

Jason rolls a die 14 times. What is the Experimental probability that he will roll a 2 ?

a)

2/6

b)

3/6

c)

3/14

d)

1/6

182.

Jason rolls a die 14 times.. What is the Experimental probability that he will roll a 1 or 6?

a)

2/6

b)

6/12

c)

6/14

d)

7/14

183.

An environmental advocacy group wants to know how residents intend to vote on a proposal to reduce bus service to certain neighborhoods in the city. They decide to conduct a survey.

Which describes a representative sample of the population for the situation?

a)

a randomly selected group of members at a local gardening club

b)

a randomly selected group of residents from the city’s voter registration records

c)

a randomly selected group of workers at a factory that employs a large percentage of the city

d)

a randomly selected group of residents in the neighborhoods affected by the proposal

184.

The counselors at a camp are scheduling activities for family visitation day. They decide to conduct a survey to determine which activities campers would most like to share with their families.

Which describes a method for getting a sample that is both representative and random?

a)

During the dinner hour, announce that any camper interested in doing so can collect and complete a survey.

b)

During camp free time, ask every fifth camper in the arts and crafts hall to complete a survey.

c)

During morning roll call, ask every tenth camper to complete a survey.

d)

During camp free time, ask all campers down at the lake to complete a survey.

185.

_______ is a part of a group being surveyed.

a)

Sample

b)

Population

c)

Random Sample

d)

Quartile

186.

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

a)

Sample

b)

Population

c)

Random Sample

d)

Quartile

187.

True or False: all samples lead to a good prediction about an entire population.

a)

True

b)

False

188.

A school surveys all 7th grade boys to determine what to sell in the school store. This sample is _________.

a)

Biased

b)

Unbiased

c)

Representative

d)

Peanut butter cups

189.

A school survey asked 50 girls to identify their favorite items on the school cafeteria menu. This sample is ________________.

a)

Biased

b)

Unbiased

c)

Representative

d)

Numerical

190.

The choir director in a high school wants to know how the students in the school feel about singing. If the director selects 100 girls and 100 boys to complete a survey, which method will result in a biased sample?

a)

The students will be selected from the choir

b)

The students will be selected randomly throughout the school

c)

The students will be selected on Wednesday afternoon before the choir concert

d)

The choir director will select five students from each of the forty homerooms in the school

191.

A mayor wanted to see if the people in his town thought he was doing a good job. Which choice best represents a sample?

a)

1,000 unemployed voters.

b)

The mayor's family.

c)

The residents of the town.

d)

242 voters.

192.

Select all the reasons why random samples are preferred over other methods of getting a sample.

a)

If you select a random sample, you can determine how many people you want in the sample.

b)

A random sample is always the easiest way to select a sample from a population.

c)

A random sample is likely to give you a sample that is representative of the population.

d)

A random sample is a fair way to select a sample, because each person in the population has an equal chance of being selected.

193.

Determine the mean of the following numbers:

28, 40, 53, 39, 45

a)

45

b)

40

c)

41

d)

39

194.

Determine the median of the following numbers:

40, 49, 62, 56, 68, 39, 50, 61, 54, 44

a)

52

b)

68

c)

38

d)

56

195.

The following list has a mean of 24. What would be the new mean if 17 was added to the list?

12, 30, 19, 27, 21, 35

a)

17

b)

32

c)

25

d)

23

196.

Find the median of the table.

a)

24

b)

22

c)

26

d)

20

197.

A sixth number will be added to the list. What must it be in order for the mean to be 12?

7, 16, 11, 12, 10, ______

a)

16

b)

7

c)

11

d)

12

198.

The following list has a median of 43. What would be the new median if 21 was added to the list?

31, 48, 50, 23, 28, 52, 57, 38, 56, 27

a)

27

b)

52

c)

45

d)

38

199.

Find the mean of the table.

a)

13

b)

15

c)

12.5

d)

7.5

200.

Determine the mean of the following numbers:

28, 40, 53, 39, 45

a)

45

b)

40

c)

41

d)

39

GMAS Review 7th Grade

Total questions: 200

Worksheet time: 17hrs 40mins

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