Radius
Diameter
Circumference
Area
Vocabulary
100

The diameter of a circle is 7, the radius is...

What is 3.5.

100

The radius is 4.5, the diameter is...

What is 9?

100

The circumference of a circle that has a diameter of 2 meters is...

What is 6.28 meters?

100

The area of a circle that has a radius of 2 feet is...

What is 12.56 feet squared?

100

The distance all the way across a circle.

What is the diameter?

200

The diameter is 92, the radius is...

What is 46

200
The radius is 20, the diameter is...
What is 40?
200

The circumference of a circle that has a diameter of 4 yards is...

What is 12.56 yards?

200

The area of a circle that has a radius of 5 centimeters is...

What is 78.5 centimeters squared?

200
The distance half way across the circle.
What is the radius?
300
The diameter is 15, the radius is...
What is 7.5?
300
The diameter is 4.5, the radius is...
What is 9?
300
What is the circumference of a circle that has a radius of 5???
What is 31.4?
300

The area of a circle that has a radius of 9 inches is...

What is 254.34 inches squared?

300
The distance around the outside of a circle.
What is the circumference?
400
The diameter is 25, the radius is...
What is 12.5?
400
The radius is 10.5, the diameter is...
What is 21?
400

What is the circumference of a circle that has a 4.5 radius?

What is 28.26?

400

The area of a circle is 314. What is the Diameter?

What is 20?

400
The amount of space inside a circle.
What is the area?
500

The diameter is 0.65, the radius is...

What is 0.325?

500
The radius is 1.15, the diameter is...
What is 2.3?
500

The circumference of a circle is 47.1. What is the Radius?

What is 7.5

500

The area of a circle is 254.34. What is the Diameter?

What is 18

500

How are perimeter and circumference similar?

They both measure the distance around the outside of a shape.

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