Circle Circumference and Area
Authored by Aimee Norman
Mathematics
7th Grade
CCSS covered
Used 4+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are the formulas for finding the circumference of a circle?
C = Pi * r^2
C = Pi * d
C = 2 * Pi * r
C = Pi / d
C = Pi (r) (r)
Tags
CCSS.7.G.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'r squared' mean in the context of finding the area of a circle?
r divided by 2
2 times r
r times r
Pi times r
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the diameter and the radius of a circle?
Radius is half the diameter
Diameter is double the radius
Diameter is half the radius
Radius is double the diameter
Tags
CCSS.7.G.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for finding the area of a circle?
A = Pi * r
A = Pi * d^2
A = Pi * d
A = Pi * r^2
Tags
CCSS.7.G.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What common mistake do students make when learning how to find the area of a circle?
Using the diameter instead of the radius
Squaring the diameter instead of the radius
Thinking r squared is the same as 2 times r
Forgetting to multiply by Pi
Tags
CCSS.7.G.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the circumference formula be rewritten using the radius?
C = Pi * r
C = Pi * 2 * d
C = Pi * 2 * r
C = Pi / 2 * r
Tags
CCSS.7.G.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the circumference of a circle if the radius is 8 meters?
50.24 meters
25.12 meters
200.96 meters
100.48 meters
Tags
CCSS.7.G.B.4
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