How to Calculate Area of a Circle
• ∏ radius squared.
How to Calculate Circumference
• ∏ diameter.
JeopardyArea of a circle Circumference Exponential
Notation
100 100 100
200 200 200
300 300 300
400 400 400
½ T or F½ Multiple Choice
100 Points Area of a circle
The radius is 7”. The diameter is 14”. What is the area?
a)14”b)154”c) 390”d)7,834”
200 Points Area of a circle
The radius is 5”. The circumference is 31.4”. What is the area?
a)72”b)39”c) 48”d)79”
300 Points Area of a circle
If the radius of this circle is 720” then the area is 2,160. T or F?
400 Points Area of a circle
The diameter is 7’ the radius is 3.5’. The area is 38. T or F?
100 Points Circumference
The radius is 5cm. What is the circumference?
a)376cmb)34cmc) 56cmd)31cm
200 Circumference
The diameter is 34”. The circumference is 123. T or F?
300 Circumference
The radius is 24”. What is the circumference?
a)48”b)64”c) 151”d)900”
400 Circumference
The diameter is 15. The circumference is 47.T or F?
100 Points Exponential Notation
Answer this yes or no question.
64
8^2Y or N?
200 Points Exponential Notation
5^6=
a)30b)72c) 90d)15,625
300 Points Exponential Notation
Answer this yes or no question.
49
7^7Y or N?
400 Points Exponential Notation
7^8=
a)56b)78c) 92d)5,764,801