Circle Terms
Finding Radius
(find the radius for all)
Finding Diameter (Find Diameter for all)
Finding Circumference(Find Circumference for all)
Finding Area
(Find area for all)
100
The distance from the center of a circle to the outside, also half of the diameter
What is radius
100

How many cents are in a quarter?

What is 25

100
The radius of this is 5
What is 10
100
The diameter for this circle is 10
What is 31.4
100

What is the name of Wendy’s dog in Peter Pan? The radius of this circle is 2

What is Nana. 

200

Which planet in the Milky Way is the biggest?

What is the Jupiter

200
The diameter is 12
What is 6
200
The radius of this circle is 2.5
What is 5
200

What is the name of Andy’s neighbor in Toy Story?

What is Sid. 

200
The radius of this circle is 3
What is 28.26
300
A line through the circle.
What is a chord?
300
The diameter of this circle is 27
What is 13.5
300

What is the hardest natural substance in the world?

What is diamond

300
The diameter of this circle is 25
What is 78.5
300
The radius of this circle is 21
What is 1384.74
400

What are the names of Hades minions in Hercules?

What is the Pain and Panic.

400
The diameter of this circle is 437
What is 218.5?
400
The circumference of this circle is 18.84
What is 6
400
The radius for this circle is 45
What is 282.6
400
The radius of this circle is 52.4
What is 8621.6864
500

3.14 or 22/7

What is pi?

500

What land animal can open its mouth the widest?  

What is Hippo 

500

After stepping into a room with unusual lighting, Peter's pupil has a radius of 2 millimeters. What is the pupil's diameter?

What is 4

500

A catalogue of scientific equipment states that the lens of a particular telescope has a circumference of 18.84 centimeters. What is the lens's diameter?

What is 6.

500

Richard measured the button on his jacket. Then he calculated that it has a circumference of 25.12 millimeters. What is the button's radius?

What is 4