
Understanding the Area of a Circle

Interactive Video
•
Mathematics
•
5th - 8th Grade
•
Hard
Standards-aligned

Aiden Montgomery
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used to calculate the area of a circle?
2πr²
πd
πr²
2πr
Tags
CCSS.7.G.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When calculating the area of a circle, what should you do first?
Square the radius
Multiply the radius by pi
Double the radius
Divide the radius by pi
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a circle has a radius of 7 cm, what is the area in terms of pi?
21π
49π
14π
7π
Tags
CCSS.7.G.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How would you express the area of a circle with a radius of 7 cm to one decimal place?
155.0 cm²
154.0 cm²
153.9 cm²
150.0 cm²
Tags
CCSS.7.G.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the radius of a circle if its diameter is 8 cm?
2 cm
16 cm
4 cm
8 cm
Tags
CCSS.7.G.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the area of a circle with a diameter of 8 cm, rounded to one decimal place.
52.3 cm²
49.3 cm²
50.3 cm²
51.3 cm²
Tags
CCSS.7.G.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the area of a circle is 50 cm², what is the first step to find the radius?
Add pi
Multiply by pi
Square the area
Divide by pi
Tags
CCSS.7.G.B.4
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