PI DAY
Area and Circumference of Circles
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How to play:
Solve each problem, then color all of the boxes that contain
the solutions.
© 2023
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© 2023
Name:__________________________________
Class:______________________
Area and Circumference of Circles
1
The radius of a circle is 4 centimeters. What is the circle's area?
Use 3.14 for 𝜋.
2
The radius of a circle is 3 meters. What is the circle's area?
Use 3.14 for 𝜋.
3
The radius of a circle is 2 kilometers. What is the circle's area?
Use 3.14 for 𝜋.
4
The radius of a circle is 1 meter. What is the circle's area?
Use 3.14 for 𝜋.
5
The radius of a circle is 5 kilometers. What is the circle's area?
Use 3.14 for 𝜋.
6
The diameter of a circle is 8 yards. What is the circle's circumference?
Use 3.14 for 𝜋.
7
The radius of a circle is 1 mile. What is the circle's circumference?
Use 3.14 for 𝜋.
8
The diameter of a circle is 5 centimeters. What is the
circle's circumference?
Use 3.14 for 𝜋.
9
The diameter of a circle is 7 millimeters. What is the
circle's circumference?
Use 3.14 for 𝜋.
10
The diameter of a circle is 26 millimeters. What is the
circle's circumference?
Use 3.14 for 𝜋.
©Matemaths2023
Name:__________________________________
Class:______________________
Color all the boxes that contain the solutions of the previous problems.
74.32
4.45
13.27
21.12
4.45
27.87
14.45
4.45
28.26
19.12
26.32
50.24
81.64
78.5
21.98
15.7
25.12
17.14
14.14
12.56
6.35
6.28
45.98
7.12
6.28
21.12
74.32
28.26
9.98
45.4
15.7
17.14
65.51
21.98
52.28
4.45
74.32
31.62
97.84
81.64
19.12
14.45
50.24
24.14
14.45
65.56
13.12
74.32
3.14
17.14
4.45
21.98
7.28
13.12
19.12
82.48
17.14
78.5
91.18
30.2
81.64
8.64
19.12
74.32
17.14
13.28
21.98
18.82
11.36
25.12
13.12
46.28
34.16
14.18
25.30
12.56
2.14
52.84
12.56
33.14
74.32
17.14
4.45
6.28
49.36
22.18
85.42
78.5
19.16
17.14
14.45
3.14
52.54
5.63
74.32
50.24
21.12
4.45
48.14
13.14
10.26
9.38
12.26
30.18
5.63
56.52
1.18
13.14
17.14
12.18
3.28
45.44
6.32
22.18
11.44
10.25
25.10
74.32
4.45
23.14
14.17
19.28
21.12
17.14
74.32
4.45
©Matemaths2023
Solutions
Area and Circumference of Circles
1
The radius of a circle is 4 centimeters. What is the circle's area?
Use 3.14 for 𝜋.
50.24 cm2
2
The radius of a circle is 3 meters. What is the circle's area?
Use 3.14 for 𝜋.
28.26 m2
3
The radius of a circle is 2 kilometers. What is the circle's area?
Use 3.14 for 𝜋.
12.56 km2
4
The radius of a circle is 1 meter. What is the circle's area?
Use 3.14 for 𝜋.
3.14 m2
5
The radius of a circle is 5 kilometers. What is the circle's area?
Use 3.14 for 𝜋.
78.5 km2
6
The diameter of a circle is 8 yards. What is the circle's circumference?
Use 3.14 for 𝜋.
25.12 yd
7
The radius of a circle is 1 mile. What is the circle's circumference?
Use 3.14 for 𝜋.
6.28 miles
8
The diameter of a circle is 5 centimeters. What is the
circle's circumference?
Use 3.14 for 𝜋.
15.7 cm
9
The diameter of a circle is 7 millimeters. What is the
circle's circumference?
Use 3.14 for 𝜋.
21.98 mm
10
The diameter of a circle is 26 millimeters. What is the
circle's circumference?
Use 3.14 for 𝜋.
81.64 mm
©Matemaths2023
Solutions
Area and Circumference of Circles
74.32
4.45
13.27
21.12
4.45
27.87
14.45
4.45
28.26
19.12
26.32
50.24
81.64
78.5
21.98
15.7
25.12
17.14
14.14
12.56
6.35
6.28
45.98
7.12
6.28
21.12
74.32
28.26
9.98
45.4
15.7
17.14
65.51
21.98
52.28
4.45
74.32
31.62
97.84
81.64
19.12
14.45
50.24
24.14
14.45
65.56
13.12
74.32
3.14
17.14
4.45
21.98
7.28
13.12
19.12
82.48
17.14
78.5
91.18
30.2
81.64
8.64
19.12
74.32
17.14
13.28
21.98
18.82
11.36
25.12
13.12
46.28
34.16
14.18
25.30
12.56
2.14
52.84
12.56
33.14
74.32
17.14
4.45
6.28
49.36
22.18
85.42
78.5
19.16
17.14
14.45
3.14
52.54
5.63
74.32
50.24
21.12
4.45
48.14
13.14
10.26
9.38
12.26
30.18
5.63
56.52
1.18
13.14
17.14
12.18
3.28
45.44
6.32
22.18
11.44
10.25
25.10
74.32
4.45
23.14
14.17
19.28
21.12
17.14
74.32
4.45
©Matemaths2023