Circle Terms
Finding Radius and Diameter
Finding Area
Finding Circumference
Word problems
100
The distance from the center of a circle to the outside, also half of the diameter
What is radius
100

The Diameter of this circle is 5 cm

What is 2.5 cm

100

The radius of this is 5 mm

What is 78.5 mm^2

100

The diameter for this circle is 10 in

What is 31.4 in

100
On Christmas, a family likes to put up a toy train around their tree. The train travels in a circle and the diameter of the track is 8 feet. How far does it travel to go around the tree once?

25.12 feet

200

The longest part in a circle. From one edge to the other through the center. 

What is the Diameter

200

The Radius is 12 in

What is 24 in

200

The radius of this circle is 2.5 km

What is 19.63 km^2

200

The diameter for this circle is 13 m

What is 40.82 m

200

Harold is coloring on his sidewalk. He draws a circle with a radius of 20 inches. If colors the entire circle in, how much would he need to color?

1256 in^2

300

The distance around the circle.

What is circumference?

300

The diameter of this circle is 27 ft

What is 13.5 ft

300

The diameter of this circle is 15.7 m

What is 193.49 m^2

300

The radius of this circle is 25 km

What is 157 km

300

The minute hand on a clock measures 6 inches, how far does the minute hand travel in one hour?

37.68 inches

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

The Radius of this circle is 37 m

What is 74 m

400

The circumference of this circle is 18.84 yd

What is 28.26 yd^2

400

The radius for this circle is 45 cm

What is 282.6 cm

400

The belt you wear measures 36 inches in length. How much does it measure from one hip to the other when you are wearing it?

11.46 inches

500
3.14 or 22/7
What is pi?
500

The circumference is 25.12 cm

What is 4 cm

500

The circumference of this circle is 194.68 in

What is 3,017.54 in^2

500

You buy a can of soup and decide to replace the label with your own. If the radius of the can is 4.5 cm, what is the length of the label?

28.26 cm

500
A racecar travels 753.6 yards around a racetrack. How much space does the entire inside of the track take up?

45216 yards^2