Circumference of Circles and Semicircles
Authored by Barbara White
Mathematics
7th Grade
CCSS covered
Used 3+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the formula for circumference of a circle given the diameter?
C = π r
C = π d
C = 2 π r
C = 2 π d
Tags
CCSS.7.G.B.4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you are given the diameter, how can you calculate the radius?
Multiply the diameter by 2
Subtract 2 from the diameter
Add 2 to the diameter
Divide the diameter by 2
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do you find the area of a circle?
Tags
CCSS.7.G.B.4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A _____ is half of a circle.
circumference
pi
semicircle
composite figure
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the
bowl? Round to the nearest hundredth. Don't forget to label.
(a)
Tags
CCSS.7.G.B.4
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Find the circumference of a circle with a radius of 12.5 mm. Round to nearest hundredth. Don't forget to label.
(a)
Tags
CCSS.7.G.B.4
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Mrs. Wilson placed the welcome mat shown below on her front door step. What is the PERIMETER of her welcome mat in feet? Round to the nearest hundredth. Don't forget to label.
(a)
Tags
CCSS.HSG.C.B.5
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