Free Printable MEGA CIRCUMFERENCE

1.

Does this picture show the diameter or radius of a circle?

a)

Diameter

b)

Radius

2.

Does this picture show the diameter or radius of a circle?

a)

Diameter

b)

Radius

3.

What is the radius?

a)

18

b)

72

c)

38

d)

14

4.

What is the diameter?

a)

5 in

b)

10 in

c)

3.14 in

d)

15.84 in

5.

What number represents π?

a)

31.4

b)

4.13

c)

3.14

d)

34.1

6.

What is the formula for finding the circumference of a circle?

a)

C = r²

b)

C = rd

c)

A = π·r²

d)

C = π·d

7.

What is the circumference of a circle?

a)

the distance around a circle

b)

the area of a circle

c)

halfway through a circle

d)

a line through the center of a circle

8.

Find the circumference of the circle.

a)

31.4 cm

b)

78.5 cm

c)

314 cm

d)

15.7 cm

9.

Find the circumference of the circle.

a)

78.5 cm

b)

15.7 cm

c)

7.85 cm

d)

19.6 cm

10.

Does this picture show the diameter or radius of a circle?

a)

Diameter

b)

Radius

11.

What is the circumference of a circle with a radius of 8 in terms of pi?

a)

$8\pi$

b)

$12\pi$

c)

$15\pi$

d)

$16\pi$

e)

$4\pi$

12.

A circular swimming pool is 21 feet in diameter. What is the circumference of the swimming pool?

a)

65.94 ft

b)

131.88 ft

c)

32.97 ft

d)

24.14 ft

13.

Find the circumference of the circle.

a)

87.82in

b)

153.86in

c)

43.96in

d)

307.72in

14.

If a circle has a circumference of 94.2 m, what is the diameter?

(a)

15.

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.

16.

What is the circumference of this circle ?

a)

3.14 cm

b)

37.68 cm

c)

24 cm

d)

68.4 cm

17.

The distance halfway across the circle is called the...

a)

radius

b)

diameter

c)

circumference

d)

area

18.

What is the circumference of a circle with a radius of 25

a)

157

b)

78.5

c)

158

d)

299

19.

A circle has a diameter of 37. What is the circumference?

a)

232.36

b)

3.14

c)

116.18

d)

119.69

20.

Find the perimeter of the shape.

a)

$25.13\ cm^{ }$

b)

$12.57\ cm^{ }$

21.

If my radius is 10ft, what is my diameter?

a)

20ft

b)

5ft

c)

31.4ft

d)

62.8ft

22.

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

23.

12 inches in this circle represents its

a)

radius

b)

diameter

24.

14cm in the circle represents its

a)

radius

b)

diameter

25.

Find the circumference of the circle

a)

50.24 yd

b)

25.12 yd

c)

11.14 yd

26.

Find the circumference of the circle

a)

18.84 cm

b)

75.36 cm

c)

37.68 cm

27.

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

28.

Find the circumference of the circle.

a)

38.47 cm

b)

10.99 cm

c)

43.96 cm

d)

21.98 cm

29.

What is the Circumference of a Circle with a radius of 8 in terms of Pi.

a)

$8\pi$

b)

$12\pi$

c)

$15\pi$

d)

$16\pi$

e)

$4\pi$

30.

Mrs. Wilson placed the welcome mat shown below on her front door step. What is the perimeter of her welcome mat in square feet?

a)

23.91 in.

b)

20.57 in.

c)

19.4 in.

d)

30.82 in.

31.

What is the formula for a circumference?

a)

$d\times\pi$

b)

$2\times r\times2$

c)

$r\times\pi$

d)

$r\times d$

32.

What is the circumference of a circle with a radius of 10 cm.

a)

62.8m

b)

62.8cm

c)

6.28cm

d)

6.28m

33.

You can also use the formula of the circumference as 2πr

a)

True

b)

False

34.

What is a circumference?

a)

Distance around a book.

b)

Distance around a table.

c)

Distance around a monitor.

d)

Distance around a football.

35.

Find the perimeter of the diagram given to the left.

a)

25.12m

b)

251.2m

c)

50.24m

d)

502.4m

36.

The diagram on the left shows:

a)

The circumference of the circle

b)

The perimeter of the circle

c)

The distance around the circle

d)

All of them

37.

The diagram on the left shows:

a)

The diameter of the circle

b)

The radius of the circle

c)

The distance across the circle

d)

All of them

38.

The diagram on the left shows the:

a)

Distance across the circle

b)

Distance across the circle through the origin

c)

Distance from the origin to any of the points on the circumference

d)

All of them

39.

Which formula would you use to find the circumference of the diagram given on the right?

a)

C = $b\times h\div2$

b)

$C=2\pi r$

c)

$C=2\pi r\div2$

d)

$C=\pi\times d$

40.

What is the circumference of the circle given on the left?

a)

43.98

b)

21.98

m

2

21.98mm^2

21.98mm2

c)

219.8mm

d)

219.8

m

2

219.8mm^2

219.8mm2

41.

Write your understanding of the circumference of a circle.

4 lines

42.

Which of the following concepts is more challenging for you?

a)

Finding the area of a composite shape

b)

Finding the area of a triangle

c)

Finding the circumference of a circle

d)

Finding the perimeter of a composite shape

43.

What is the Circumference of a Circle with a radius of 8 in terms of Pi.

a)

$8\pi$

b)

$12\pi$

c)

$15\pi$

d)

$16\pi$

e)

$4\pi$

44.

What is the Radius of a Circle with a Circumference of $44\pi$ .

a)

4

b)

11

c)

16

d)

22

e)

44

45.

What is the diameter of a circle with a radius of 7 in?

a)

3.5 in

b)

14 in

c)

21 in

d)

49 in

46.

A circular swimming pool is 21 feet in diameter. What is the circumference of the swimming pool?

a)

65.94 ft

b)

131.88 ft

c)

32.97 ft

d)

24.14 ft

47.

The formula for the circumference of a circle is when diameter is given is,

a)

$C\ =\ \pi d$

b)

$C\ =\ \pi$

c)

$C\ =\ \pi r$

d)

$C\ =\pi r^2$

48.

What is the diameter of this circle?

a)

8cm

b)

16cm

c)

10cm

d)

4cm

49.

What is the radius of this circle?

a)

18in

b)

36in

c)

9in

d)

6in

50.

Find the circumference of the circle

a)

87.82in

b)

153.86in

c)

43.96in

d)

307.72in

51.

The circumference is 62.8 inches. What is the radius?

a)

20 inches

b)

10 inches

c)

6.28 inches

d)

31.4 inches

52.

Find the circumference of a circle with a radius of 12.5 mm .

a)

37.68mm

b)

18.84mm

c)

78.5mm

d)

none of the above

53.

What does d represent in the formula:

C = π·d

a)

diameter

b)

radius

c)

pi

d)

3.14

54.

What number represents π?

a)

31.4

b)

4.13

c)

3.14

d)

34.1

55.

What is the circumference of a circle with a radius of 33 ft?

a)

207.2 ft

b)

197.2 ft

c)

217.2 ft

d)

227.2 ft

56.

Find the circumference of the circle.

a)

31.4 cm

b)

78.5 cm

c)

314 cm

d)

15.7 cm

57.

If a circle has a circumference of 94.2 m, what is the diameter?

(a)

58.

If a circle has a circumference of 94.2 m, what is the radius?

(a)

59.

The definition of radius is

a)

distance from one point to another point

b)

distance around the circle

c)

distance from the center to any point on the circle

d)

distance across the circle through the center

60.

The definition of diameter is

a)

distance from the center of any point on the circle

b)

distance across the circle through the center

c)

distance from one point to another

d)

distance around the circle

61.

The definition of circumference is

a)

distance from the center of any point on the circle

b)

distance from one point to another

c)

distance around the circle

d)

distance from the center of any point on the circle

62.

The definition of a circle is

a)

set of all points in a plain that are the same distance from a point called the center

b)

the distance around a share

c)

a large figure

d)

a pizza, orange, plum, or watermelon

63.

What number represents π?

a)

31.4

b)

4.13

c)

3.14

d)

34.1

64.

If my radius is 2 yd what is the circumference?

a)

4 yd

b)

1 yd

c)

12.56 yd

d)

6.28 yd

65.

If my diameter is 90cm, what is my circumference?

a)

282.6cm

b)

180 cm

c)

90cm

d)

565.2cm

66.

Find the circumference with a radius of 5.8 cm.

a)

37 cm

b)

38.3 cm

c)

36.4 cm

d)

42.7 cm

67.

Find the circumference of the circle.

a)

31.4 cm

b)

78.5 cm

c)

314 cm

d)

15.7 cm

68.

Find the circumference of the circle.

a)

38.47 cm

b)

10.99 cm

c)

43.96 cm

d)

21.98 cm

69.

Find the circumference of the circle.

a)

78.5 cm

b)

15.7 cm

c)

7.85 cm

d)

19.6 cm

70.

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

71.

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

a)

3 m

b)

9.42 m

c)

12 m

d)

18.84 m

72.

The circumference of a circle is 25.12 cm. What is the diameter to the nearest centimeter?

a)

4 cm

b)

8 cm

c)

25 cm

d)

75 cm

73.

The distance around a circular dance hall room is 135 feet. Which of the following is closest to the longest distance across the dance hall?

a)

19 feet

b)

28 feet

c)

36 feet

d)

43 feet

74.

Find the radius if the circumference is 14.444

(a)

75.

Find the diameter if the circumference is 166.42

(a)

76.

Find the radius if the circumference is 102.05

(a)

77.

Find the diameter if the circumference is 157

(a)

78.

The diameter of a Merry-Go-Round is 44 yards. How far would I travel if I went 6 rotations before getting off?

(a)

79.

How do you feel about finding the circumference, radius, and diameter of a circle when given one of the three?

a)

Great! I am ready to move on.

b)

Good, but I would like some more practice.

c)

Okay, but I still need help from a teacher or classmate.

d)

Bad. I am not sure how to do this at all yet.

80.

What number represents π?

a)

31.4

b)

4.13

c)

3.14

d)

34.1

81.

If my radius is 2 yd what is the circumference?

a)

4 yd

b)

1 yd

c)

12.56 yd

d)

6.28 yd

82.

If my diameter is 90cm, what is my circumference?

a)

282.6cm

b)

180 cm

c)

90cm

d)

565.2cm

83.

Find the circumference with a radius of 5.8 cm.

a)

37 cm

b)

38.3 cm

c)

36.4 cm

d)

42.7 cm

84.

Find the circumference of the circle.

a)

31.4 cm

b)

78.5 cm

c)

314 cm

d)

15.7 cm

85.

Find the circumference of the circle.

a)

38.47 cm

b)

10.99 cm

c)

43.96 cm

d)

21.98 cm

86.

Find the circumference of the circle.

a)

78.5 cm

b)

15.7 cm

c)

7.85 cm

d)

19.6 cm

87.

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

88.

The circumference of a circle is 25.12 cm. What is the diameter to the nearest centimeter?

a)

4 cm

b)

8 cm

c)

25 cm

d)

75 cm

89.

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

a)

3 m

b)

9.42 m

c)

12 m

d)

18.84 m

90.

How do you feel about finding the circumference, radius, and diameter of a circle when given one of the three?

a)

Great! I am ready to move on.

b)

Good, but I would like some more practice.

c)

Okay, but I still need help from a teacher or classmate.

d)

Bad. I am not sure how to do this at all yet.

91.

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

92.

If my radius is 10ft, what is my diameter?

a)

20ft

b)

5ft

c)

31.4ft

d)

62.8ft

93.

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

a)

10.5 ft

b)

42 ft

c)

65.94 ft

d)

131.95 ft

94.

What is the distance around a circle?

a)

Circumference

b)

Area

c)

Diameter

d)

Radius

95.

Determine the radius of the penny

a)

59.66 mm

b)

9.5 mm

c)

38 mm

d)

119.32 mm

96.

What is the circumference of a 12-inch pizza?

a)

37.68 inches

b)

18.84 inches

c)

113.04 inches

d)

432.16 inches

MEGA CIRCUMFERENCE

Total questions: 96

Worksheet time: 24hrs 46mins

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