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Fall Check Point (Circles, Scale Factor, & Proportions)

Total questions: 100

Worksheet time: 3hrs 54mins

Name
Class
Date
1.

Find the area of the circle.

a)

43.96

b)

153.86

c)

87.82

d)

302.72

2.

What is the area of the circle?

a)

1017.36 in2

b)

113.04 in2

c)

56.52 in2

d)

254.34 in2

3.

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

a)

314 cm2

b)

31.4 cm2

c)

78.5 cm2

d)

10 cm2

4.

Find the area of the circle below.

a)

100 cm2

b)

225 cm2

c)

9 cm2

d)

28.26 cm2

5.

What is the diameter?

a)

2.75 cm

b)

5.5 cm

c)

17.27 cm

d)

94.99 cm2

6.

Marisa purchases a clay pot for her father's garden. The diameter of the bottom of the pot is 18 cm. What is the area of the clay pot's bottom? (Round to the nearest whole number.)

a)

28 cm2

b)

57 cm2

c)

254 cm2

d)

1017 cm2

7.

A line that goes from one edge of the circle to another and crosses the center is the ________________________________.

a)

Center

b)

Diameter

c)

Radius

d)

Circumference

e)

Area

8.

What is the radius of this circle?

a)

9.75 mm

b)

19.5 mm

c)

4.875 mm

d)

30.615 mm

9.

A line from the center point to the edge of the circle is called the _______________________________.

a)

Center

b)

Diameter

c)

Radius

d)

Circumference

e)

Area

10.

What is the area of a circle with a diameter of 10 mm ?

a)

31.4 mm2

b)

78.5 mm2

c)

15.7 mm2

d)

314 mm2

11.

What is the formula for area of a circle given the radius?

a)

A = πr

b)

A = 2πr

c)

A = πd

d)

A = πr²

12.

If my radius is 18 ft, what is my diameter?

a)

1,017.36 ft2

b)

56.52 ft

c)

9 ft

d)

36 ft

13.

What is the area of a circle with a radius of 21 ft?

a)

1384.74 ft2

b)

2142.12 ft2

c)

434.08 ft2

d)

1289.12 ft2

14.

Which of the following choices is closest to the area of the circle?

a)

253.34 m2

b)

63.59 m2

c)

56.52 m2

d)

28.26 m2

15.

What is the radius if the diameter is 35?

a)

175

b)

70

c)

17.5

d)

8.75

16.

What is the area of the circle?

a)

83.23 in2

b)

78.50 in2

c)

314.16 in2

d)

170.12 in2

17.

The diameter of the face-off circle on an ice-hockey rink is 30 feet. Find its area.

a)

675.6 ft2

b)

29.67 ft2

c)

545.8 ft2

d)

706.5 ft2

18.

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

19.

What's the area of the circle?

a)

15393.8 mi2

b)

1248.12 mi2

c)

5930.12 mi2

d)

3848.45 mi2

20.

If the diameter of a circle is 14 mm, the circumference is approximately ___

a)

21.98 mm

b)

87.92 mm

c)

43.96

d)

153.86 mm2

21.

What is the formula for a circumference?

a)

DπD\cdot\pi  

b)

2R22\cdot R\cdot2  

c)

RπR\cdot\pi  

d)

RDR\cdot D  

22.

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

a)

88.2

b)

62.8

c)

31.4

d)

11.99

23.

There is a circle with a radius of 5. What is the circumference of the circle?

a)

3.14

b)

66.9

c)

31.4

d)

2.12

24.

 You can also get the formula of the circumference by using π2\pi\cdot2

a)

True

b)

False

25.

What is the circumference of a circle with a diameter of 20 yd

a)

60.24

b)

62.8

c)

60

d)

125.6

26.

What is circumference of a circle with a radius of 25

a)

157

b)

78.5

c)

158

d)

299

27.

What is a circumference?

a)

Distance around a book.

b)

Distance around a rectangle.

c)

Distance around a pencil case.

d)

Distance around a circle.

28.

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

a)

232.36

b)

3.14

c)

116.18

d)

119.69

29.

A circle has a radius of 96. What is the circumference?

a)

602.8

b)

602.88

c)

301.44

d)

699

30.

A plate has diameter 999. Which expression shows the formula?

a)

999×3.14999\times3.14  

b)

999×2×3.14999\times2\times3.14  

c)

3136.84

d)

  999+3.14÷2999+3.14\div2  

31.

The radius 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

32.

The diameter 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

33.

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

34.

If you are given the radius of a circle how could you find the diameter of the same circle?

a)

Multiply the radius by 3.14

b)

Multiply the radius by 2

c)

Multiply the radius by 1/2

d)

Divide the radius by 2

35.

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

a)

5 ft

b)

20 ft

c)

31.4 ft

d)

62.8 ft

36.

What is the diameter of the pictured circle?

a)

4 cm

b)

8 cm

c)

12 cm

d)

16 cm

37.

If you are given the diameter of a circle how could you find the radius of the same circle?

a)

Multiply the diameter by 3.14

b)

Multiply the diameter by 2

c)

Multiply the diameter by 1/2

d)

Divide the diameter by 3

38.

If the diameter of a circle is 16.6 in, what is the radius?

a)

8.3 in

b)

16.6 in

c)

33.2 in

d)

52.124 in

39.

What is the radius of the pictured circle?

a)

12.5 cm

b)

25 cm

c)

50 cm

d)

78.5 cm

40.

To calculate the circumference of a circle...

a)

You multiply the diameter by 1/2

b)

You multiply the diameter by 2

c)

You multiply the radius by 3.14

d)

You multiply the diameter by 3.14

41.

Find the circumference (round to the nearest hundredth).

a)

14.13 cm

b)

26.28 cm

c)

28.26 cm

d)

56.52 cm

42.

Find the circumference (round to the nearest hundredth).

a)

2.16 m

b)

2.61 m

c)

4.02 m

d)

4.08 m

43.

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference?

a)

11.32 ft

b)

12.25 ft

c)

10.99 ft

d)

8.75 ft

44.

Find the circumference (round to the nearest hundredth).

a)

2.55 cm

b)

8.36 cm

c)

12.56 cm

d)

25.12 cm

45.

Find the circumference (round to the nearest hundredth).

a)

1.62 cm

b)

2.51 cm

c)

5.02 cm

d)

50.24 cm

46.

If the circumference of a circle is 76 inches what is the diameter (rounded to the nearest hundredth)?

a)

12.1 inches

b)

15 inches

c)

24.2 inches

d)

26 inches

47.

7x5

a)

35

b)

40

c)

30

d)

25

48.

8x6

a)

44

b)

48

c)

30

d)

36

49.

9x6

a)

54

b)

63

c)

81

d)

64

50.

3x3

a)

9

b)

12

c)

15

d)

6

51.
8x4
a)
36
b)
32
c)
24
d)
40
52.
9x3
a)
27
b)
24
c)
36
d)
28
53.
7x3
a)
21
b)
28
c)
30
d)
24
54.
6x5
a)
30
b)
35
c)
36
d)
31
55.
9x9
a)
81
b)
72
c)
90
d)
99
56.
4x4
a)
16
b)
8
c)
20
d)
18
57.
9x4
a)
36
b)
72
c)
32
d)
38
58.
0x1
a)
0
b)
1
c)
10
d)
5
59.
9x2
a)
18
b)
81
c)
11
d)
27
60.
9x8
a)
72
b)
81
c)
99
d)
63
61.
8x8
a)
64
b)
63
c)
48
d)
56
62.
If Rose buys 3 boxes of candy and each box has 6 pieces in it, how many pieces will she have?
a)
3 x 6 = 18
b)
3 x 6 = 9
c)
6 x 6 = 18
d)
6 x 3 = 12
63.
If John has 3 cups and each cup has 4 rocks in it, how many rocks does John have?
a)
3 x 4 = 12
b)
3 x 4 = 7
c)
3 x 3 = 9
d)
3 x 4 = 34
64.
11 x 9=
a)
97
b)
88
c)
99
d)
77
65.
12 x 4=
a)
48
b)
84
c)
16
d)
24
66.
8 x 3=
a)
27
b)
22
c)
13
d)
24
67.
What would be the best first step to solving the equation?
-3=x+5
a)
add 3 to both sides
b)
subtract 5 from both sides
c)
add 5 to both sides
d)
subtract -5 from both sides
68.
What would be the best first step to solving the equation?
a)
multiply both sides by 3
b)
multiply both sides by 4
c)
divide both sides by 3
d)
divide both sides by 4
69.
What would be the best first step to solving the equation?
-6x=-24
a)
multiply both sides by -6
b)
divide both sides by -6
c)
add 6  to both sides
d)
subtract -6  from both sides
70.
What would be the best first step to solving the equation?
-18=m+12
a)
add 18 to both sides
b)
subtract 18 from both sides
c)
add 12 to both sides
d)
subtract 12 from both sides
71.
What would be the best first step to solving the equation?
a)
multiply both sides by 10
b)
divide both sides by 10
c)
multiply both sides by 5
d)
divide both sides by 5
72.
What would be the best first step to solving the equation in one step?
a)
multiply both sides by 3/2 
b)
divide both sides by 3
c)
multiply both sides by 3
d)
subtract 2/3  from both sides
73.
What would be the best first step to solving the equation in one step?
a)
multiply both sides by 3
b)
multiply both sides by -3
c)
divide both sides by -3
d)
add 3 to each side
74.
What would be the best first step to solving the equation in one step?
a)
multiply both sides by 11
b)
multiply both sides by 1/2
c)
divide both sides by 2
d)
multiply both sides by 2
75.
What would be the best first step to solving the equation in one step?
a)
multiply both sides by 3
b)
multiply both sides by -3
c)
divide both sides by 18
d)
divide both sides by 3
76.
What would be the best first step to solving the equation?
a)
subtract   1/10  from both sides
b)
subtract   -3/5  from both sides
c)
add 1/10  to both sides
d)
add 3/5 to both sides
77.
What would be the best first step to solving the equation?
f+6=-6
a)
multiply both sides by 6
b)
divide both sides by 6
c)
add 6 to both sides
d)
subtract 6  from both sides
78.
Which property of equality should you use to solve 6x=48?
a)
multiplication property of equality
b)
division property of equality
c)
addition property of equality
d)
subtraction property of equality
79.
Which property of equality should you use to solve   -3=n+9   ?
a)
multiplication property of equality
b)
division property of equality
c)
addition property of equality
d)
subtraction property of equality
80.
Which property of equality should you use to solve the equation?
a)
multiplication property of equality
b)
division property of equality
c)
addition property of equality
d)
subtraction property of equality
81.
Which property of equality should you use to solve the equation?
  -2m=40
a)
multiplication property of equality
b)
division property of equality
c)
addition property of equality
d)
subtraction property of equality
82.
Which property of equality should you use to solve the equation?
  -22=y-42
a)
multiplication property of equality
b)
division property of equality
c)
addition property of equality
d)
subtraction property of equality
83.
Which property of equality should you use to solve the equation?
  -9w=6.3
a)
multiplication property of equality
b)
division property of equality
c)
addition property of equality
d)
subtraction property of equality
84.
Which property of equality should you use to solve the equation?
a)
multiplication property of equality
b)
division property of equality
c)
addition property of equality
d)
subtraction property of equality
85.
Three students disagree about the best and fastest method to solve the equation shown in one step. Which one is correct?
a)
Rashad, who wants to multiply by 3
b)
Ruby, who wants to multiply by 5/3
c)
None of the students are correct. They need to study their notes.
d)
Jess, who wants to divide by 3/5
86.
Which ratio below is proportional to the ratio  5/6?
a)
6/5
b)
50/75
c)
25/30
d)
12/10
87.
A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?
a)
2.5 cups milk
b)
1.75 cups milk
c)
2 cups flour
d)
2.25 cups milk
88.
Solve the proportion.
a)
k=5
b)
k=3.3333333
c)
k=60
d)
k=90
89.
Solve.
a)
4
b)
1
c)
16
d)
2
90.
Solve the proportion:
a)
3
b)
4
c)
9
d)
6
91.
Cross Multiply/Cross Products
a)
15
b)
420
c)
28
d)
16
92.
Solve the proportion.
a)
p=31.3
b)
p=308
c)
p=924
d)
p=532
93.
Do the ratios form a proportion?
a)
Yes, they form a proportion.
b)
No, they do not form a proportion.
94.
Do the ratios form a proportion?
a)
Yes, they form a proportion.
b)
No, they do not form a proportion.
95.
Hamburger meat sells for $6 for every 3 pounds. If Alicia buys 10 pounds of hamburger meat, how much will she pay?
a)
$30
b)
$20
c)
$60
d)
$10
96.
Use the table to write a proportion.
a)
2.08/16=d/8
b)
8/d=16/2.08
c)
2.08/16=8/d
d)
2.08/8=d/16
97.
Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 12 points.
The test score is 75%.
a)
p/12=100/75
b)
p/100=12/75
c)
p/12=75/100
d)
p/75=12/100
98.
Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 60 points.
The test score is 50%.
a)
p/100=50/60
b)
p/50=60/100
c)
p/60=100/50
d)
p/60=50/100
99.
Richard rowed a canoe for ½ hour and made it 3½ miles down the river.  What is his average speed in miles per hour?
a)
6mph
b)
6 1/2 miles per hour
c)
7 miles per hour
d)
1/4 miles per hour
100.
The girls soccer team finished the season with a record of 7 wins and 3 losses. What is the ratio of losses to wins?
a)
3:7
b)
7:3
c)
3:10
d)
7:10