Finding Area and Circumference with Pi in Answer
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lily is making party favors by placing a circular disk in the bottom of a plastic bag. Each disk has a diameter of 6 centimeters. What is the area of the disk to the nearest hundredth of square centimeter?
Use 3.14 for 𝜋.
18.84 cm2
28.26 cm2
91.06 cm2
113.04 cm2
Tags
CCSS.7.G.B.4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The circumference of the wheel on Roy's bicycle is 225 in. What would you do to determine the radius of the wheel?
Divide the circumference by 𝜋.
Divide the circumference by 𝜋 to find the diameter; then divide the diameter by 2 to find the radius.
Multiply the circumference by 𝜋.
Multiply the circumference by 𝜋 to find the diameter; then divide the diameter by 2 to find the radius.
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the area of Jayne’s lollipop be?
50.24 in.2
200.96 in2
12.56 in. 2
78.88 in.2
Tags
CCSS.7.G.B.4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the area of the figure shown.
1017.36 cm
254.34 cm
26.52 cm
123.65 cm
Tags
CCSS.HSG.C.B.5
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A glass stained window is shaped like a semicircle. The bottom edge of the window is 36 inches long. How much colored glass would you need to cover the stained window? Round to the nearest hundredth. (please label - sq inches or sq in)
Tags
CCSS.7.G.B.4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A circular track with a diameter of 60 meters is shown. Shaleah walked around the track 4 times. Approximately how many meters did she walk?
377
2826
754
11,304
Tags
CCSS.7.G.B.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mrs. Wilson placed the welcome mat shown below on her front door step. What is the area of her welcome mat in square feet? Round to the nearest tenth.
A = 36.4 in sq
A = 50.2 in sq
A = 31.4 in sq
A = 25.1 in sq
Tags
CCSS.7.G.B.4
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