This math topic focuses on calculating the area of a circle sector, involving understanding geometric properties and applying the formula for the area of a sector. Students are required to compute the area for sectors of varying circle radii and sector proportions (e.g., 1/2, 3/4, 1/4 of the circle), rounding their answers to the closest integer. Each problem presents a different scenario, helping learners to practice the conversion of fractional parts of a circle into area measurements, enhancing both their geometry and fraction skills.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Area of a Circle Sector From Fraction to Area (Closest Integer) Worksheet

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Area of a Circle Sector From Fraction to Area (Closest Integer)
1
Find the area (to the closest integer) of the green shaded sector that covers 1/4 of the circle with radius 6
An svg image showing a math problem
a
44
b
18
c
40
d
38
e
28
f
24
2
Find the area (to the closest integer) of the green shaded sector that covers 3/4 of the circle with radius 6
An svg image showing a math problem
a
13
b
141
c
85
d
101
e
133
f
29
3
Find the area (to the closest integer) of the green shaded sector that covers 1/2 of the circle with radius 6
An svg image showing a math problem
a
62
b
102
c
72
d
92
e
22
f
57
4
Find the area (to the closest integer) of the green shaded sector that covers 1/4 of the circle with radius 2
An svg image showing a math problem
a
1
b
6
c
2
d
5
e
7
f
3
5
Find the area (to the closest integer) of the green shaded sector that covers 1/4 of the circle with radius 4
An svg image showing a math problem
a
20
b
18
c
4
d
13
e
14
f
22
6
Find the area (to the closest integer) of the green shaded sector that covers 1/2 of the circle with radius 4
An svg image showing a math problem
a
33
b
27
c
21
d
25
e
13
f
7
7
Find the area (to the closest integer) of the green shaded sector that covers 1/2 of the circle with radius 1
An svg image showing a math problem
a
2
b
7
c
9
d
1
e
5
f
10
8
Find the area (to the closest integer) of the green shaded sector that covers 3/4 of the circle with radius 4
An svg image showing a math problem
a
59
b
38
c
32
d
41
e
50
f
20