Free Printable 8B

1.

Convert 73% to a decimal

a)

73.0

b)

0.37

c)

0.73

d)

0.7

2.

What is 10% of 730?

a)

73

b)

7300

c)

350

d)

735

3.

What is 25% of 500

a)

100

b)

125

c)

225

d)

250

4.

What is 50% of 730?

a)

356

b)

635

c)

365

d)

536

5.

At a birthday party 40% of the children had an ice-cream. 150 children attended the party. How many had an ice-cream?

a)

60

b)

70

c)

80

d)

90

6.

At a sport club 40% prefer football, 30% basketball and the rest volleyball. 300 children attend this sport club. Find the number of those who prefer volleyball.

a)

70

b)

80

c)

90

d)

100

7.

change 25% to a decimal

a)

.25

b)

.2

c)

2.5

d)

.025

8.

Find 14% of 204

a)

28.56

b)

2.856

c)

.2856

d)

285.6

9.

change .3 to a percent

a)

3%

b)

30%

c)

300%

d)

.30%

10.

Change 247% to a decimal

a)

24.7

b)

2.47

c)

.247

d)

.0247

11.

find 17% of 23

a)

3.91

b)

.391

c)

39.1

d)

391

12.

find 2.5% of 14

a)

.035

b)

35

c)

3.5

d)

.35

13.

change 3,451% to a decimal

a)

34.51

b)

3.451

c)

.3451

d)

345.1

14.

Change 30% into a fraction in its lowest terms

a)

6/20

b)

1/2

c)

3/10

d)

30/100

15.

Change 80% into a fraction in its lowest terms

a)

80/100

b)

4/5

c)

8/10

d)

16/20

16.

Change 12% into a fraction in its lowest terms

a)

3/25

b)

12/20

c)

12/50

d)

24/50

17.

Change 65% to a fraction in its lowest terms

a)

65/100

b)

13/20

c)

5/6

d)

6/10

18.

Simplify

a)

2:10

b)

1:10

c)

1:2

d)

2:1

19.

Share 30 in the ratio 2:1

a)

2:28

b)

20:1

c)

20:10

d)

10:20

20.

Share 180 in the ratio 3:2:1

a)

30:90:60

b)

90:60:30

c)

120:60:30

d)

60:30:90

21.

LEO has $30. He splits it with his sister in the ratio 3:2. How much money does Leo have left?

a)

$12

b)

$18

c)

$6

d)

$3

22.

There are 13 boys and 10 girls in the classroom. What is the ratio of boys to girls?

a)

10 to 13

b)

23 to 13

c)

13 to 10

d)

23 to 10

23.

If a ratio is 2:3, how many parts are there in total?

a)

2

b)

3

c)

4

d)

5

24.

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of school apps to game apps?

a)

5 to 2

b)

3 to 5

c)

5 to 10

d)

5 to 3

25.

What is the ratio of green marbles to red marbles?

a)

3/2

b)

3/1

c)

3/3

d)

2/3

26.

Express this ratio in simplest form!!

There are 16 male teachers out of 40.

a)

16:40

b)

2:5

c)

2:9

d)

90:75

27.

Fully simplify the ratio...

20:30

a)

2:3

b)

4:6

c)

10:15

d)

3:2

28.

Fully simplify the ratio...

18:24

a)

3:4

b)

9:12

c)

2:3

d)

3:2

29.

Fully simplify the ratio...

96:48

a)

12:6

b)

4:2

c)

2:1

d)

6:3

30.

Simplify 12:36

a)

6:18

b)

3:9

c)

1:3

d)

3:1

31.

Share £80 in the ratio 3:2:5

a)

£24 : £16 : £40

b)

£16 : £24 : £40

c)

£40 : £24 : £16

d)

£40 : £16 £24

32.

A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?

a)

1/5

b)

5/6

c)

1/6

d)

6/5

33.

What is the probability of spinning green?

a)

0

b)

1/4

c)

1/2

d)

3/4

34.

You pick a marble from this bag.
What is the probability you will choose either a black or white marble?

a)

3/5

b)

9/100

c)

1/10

d)

2/5

35.

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

a)

5/6

b)

1/2

c)

1/3

d)

1/6

36.

What is the probability of landing on the color blue on the spinner?

a)

3/3

b)

5/3

c)

3/12 or 1/4

d)

1/3

37.

What is the probability of rolling an even number on a dice. The dice is numbered 1-6.

a)

3/6

b)

1/2

c)

1/6

d)

5/6

38.

Based on the chart, what is the probability of pulling a green marble?

a)

1/8

b)

8/25

c)

8/100

d)

7/8

39.

What is the probability of getting any letter that is not A?

a)

6/8

b)

3/4

c)

2/8

d)

1/4

40.

You flip a coin 20 times and record the results. Is this experimental or theoretical probability?

a)

Experimental

b)

Theoretical

41.

What is the probability of spinning an even number?

a)

30%

b)

33%

c)

50%

d)

67%

42.

The table of values for the equation, y = x + 2 are:

a)

b)

c)

d)

43.

What is the coordinates of the point A & B?

a)

A(3, 2) , B(2, 1)

b)

A(-3, -2) , B(2, 1)

c)

A(3, 2) , B(-2, -1)

d)

A(2, 3) , B(-2, -1)

e)

A(-2, -3) , B(2, 1)

44.

Work out the coordinates of the midpoint of the line AB.

(a)

45.

What does "mode" mean?

a)

average

b)

middle

c)

repeats the most

d)

variation

46.

What is a the meaning for "median"?

a)

fair share

b)

middle

c)

repeats the most

d)

variation

47.

How do you find the range?

a)

order least to greatest, then slash from each side until you reach the middle

b)

add the numbers in your data set, then divide by the amount you added

c)

look for the number that repeats the most

d)

highest number minus the lowest number

48.

How do you find the mode?

a)

order least to greatest, then slash from each side until you reach the middle

b)

add the numbers in your data set, then divide by the amount you added

c)

look for the number that repeats the most

d)

highest number minus the lowest number

49.

What is the median?

a)

62

b)

58

c)

66

d)

60

50.

What is the range of the set of data?

a)

70

b)

65

c)

80

d)

55

51.

Another word for average is

a)

sample

b)

mean

c)

data

d)

numerical data

52.

What is the mean of test scores?
{70, 70, 80, 85, 85, 90, 95, 95, 100, 100}

a)

87

b)

85, 95, and 100

c)

30

d)

85 and 90

53.

The difference between the greatest and least values in the data set.

a)

range

b)

interquartile range

c)

standard deviation

d)

mean absolute deviation

54.

The sum of all the values in a data set divided by the number of data values. Also called the average.

a)

mean

b)

median

c)

mode

d)

range

55.

Calculate mean for the above given data.

a)

1.6

b)

1.4

c)

1.3

d)

1.8

56.

How do you work out the mean?

a)

214 $\div$ 7

b)

26 $\div$ 214

c)

214 $\div$ 26

d)

214 $\div$ 49

57.

Find the total frequency from the following table...

a)

10

b)

5

c)

15

d)

11

58.

Find the mean from the following table...

You may need to copy the table out and add columns...

a)

13

b)

14

c)

13.3

d)

14.2

59.

How many children participated in the survey?

a)

34

b)

30

c)

32

d)

6

60.

Find the mean number of phones. You may need to copy the table out and add columns...

a)

2.56

b)

2.3

c)

1.5

d)

2.2

61.

How do you find the area of a triangle?

a)

base x height

b)

take half of the base times the height

c)

add up all of the sides

62.

Find the area of the triangle.

a)

10 cm²

b)

24 cm²

c)

12 cm²

63.

Find the area of the triangle.

a)

30 m²

b)

60 m²

c)

16 m

d)

30 m

64.

Find the area of the triangle.

a)

5 cm²

b)

10 cm²

c)

7 cm²

65.

Find the area of this parallelogram

a)

12cm²

b)

35cm²

c)

17.5cm²

d)

30cm²

66.

Find the area.

a)

40 in²

b)

40

c)

40 in

d)

4 in²

67.

What does area mean?

a)

the distance around a shape

b)

half the distance around a shape

c)

the amount of space outside a shape

d)

the amount of space inside a shape

68.

What is the name of this shape?

a)

quadrilateral

b)

quadrilateral, parallelogram

c)

quadrilateral, rectangle

d)

quadrilateral, rhombus

69.

What is the area?

a)

28 square units

b)

35 square units

c)

14 square units

d)

35 square units

70.

Find the area of the trapezium

a)

55cm²

b)

143cm²

c)

45cm²

d)

110cm²

71.

Find the area of the trapezium

a)

250cm²

b)

125cm²

c)

25cm²

d)

12.5cm²

72.

What is the formula for area of a circle?

a)

A = pi x D

b)

A = 2pi x r

c)

A = pi x r2

d)

A = pi x D2

73.

What is the radius of this circle?

a)

12

b)

6

c)

24

74.

What is the area of this circle?

a)

1385.44

b)

2142.12

c)

5541.77

d)

1289.12

75.

What is the area of this circle?

a)

1256.64

b)

31.41

c)

314.16

d)

123.12

76.

What is the area of this circle?

a)

452.39

b)

139.12

c)

113.1

d)

84.23

77.

what is the area of a circle with the diameter of 10cm ?

a)

66cm

b)

78.5cm

c)

66.5cm

d)

10m

78.

What is the area of this circle?

a)

16π

b)

8π

c)

4π

d)

16π²

79.

If my diameter is 19 inches, what is my radius?

a)

38 inches

b)

9.5 inches

c)

59.66 inches

d)

119.32 inches

80.

What is the distance around a circle?

a)

Circumference

b)

Area

c)

Diameter

d)

Radius

81.

The diameter of a circle is:

a)

The measurement around the circle.

b)

The distance from an edge of a circle to another edge.

c)

The distance from the center of the circle to an edge of a circle

d)

The distance from an edge of a circle to another edge through the center.

82.

The circumference of a circle is

a)

The measurement from an edge of a circle to another edge.

b)

The measurement around the circle

c)

The measurement from an edge of a circle to another edge going through the center

d)

The measurement from the center of the circle to an edge of the circle

83.

What is the diameter?

a)

8

b)

16

c)

10

d)

4

84.

what is the circumference of this circle ?

a)

3.14 cm

b)

37.68 cm

c)

24 cm

d)

68.4 cm

85.

Is the red line a radius or diameter of the circle?

a)

Radius

b)

Diameter

86.

The radius of a circle is 6.5 inches.

Find the circumference of the circle.

a)

132.7 in

b)

40.8 in

c)

20.4 in

d)

572.3 in

87.

What does "circumference" mean?

a)

Space a circle takes up

b)

Distance around a circle

c)

Line from one side of a circle to another

d)

Line from center of circle to side

88.

The radius of the circle is 9 meters. What is the circle's circumference?

a)

9 meters

b)

28.26 meters

c)

56.52 meters

d)

18 meters

89.

What is the circumference of a circle with a radius of 54 m?

a)

339.12 m

b)

169.56 m

c)

84.78 m

90.

A cruise ship has a large, circular window. It has a diameter of 8 meters. What is the window's area?

a)

31.25 m²

b)

29.55 m²

c)

30.36 m²

d)

50.27 m²

91.

Which is bigger:
25% of 200
OR
20 % of 250

a)

25% of 200

b)

20% of 250

c)

They are the same

92.

What is 25% of 24?

a)

6

b)

12

c)

18

d)

20

93.

60% of what number is 21?

a)

35

b)

1,260

c)

5

d)

126

94.

60% of what number is 21?

a)

35

b)

1,260

c)

5

d)

126

95.

75% of what number is 12?

a)

16

b)

9

c)

36

d)

54

96.

What is 23% of 65?

a)

14.95

b)

15.95

c)

16

d)

13.75

97.

The percentage symbol is...

a)

&

b)

%

c)

$

d)

#

98.

There are 100 apples consisting of 35 red apples and 65 green apples. what percentage is green apple?

a)

100%

b)

65%

c)

35%

d)

30%

99.

Convert 22% into a decimal.

a)

0.22

b)

0.2

c)

0.022

d)

2.2

100.

The equation for finding percentage is...

a)

$\frac{part}{whole}\times100\ =\ percent$

b)

$\frac{percent}{whole}\times100\ =\ part$

c)

$\frac{whole}{part}\times100\ =\ percent$

8B - Quiz -

Total questions: 100

Worksheet time: 4hrs 35mins

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