Radius/Diameter
Circumference - Radius
Area - Radius
Circumference - Diameter
Area - Diameter
100
If the radius is 5 what is the DIAMETER?
10
100
Find circumference: When radius = 5
31.42
100
Find Area when Radius = 4 kilometers
50.24 km2
100
What is the circumference of a circle with the diameter of 2 meters?
6.28 meters
100
What is the area of a circle with a diameter of 6 inches?
28.26 inches2
200
If the diameter is 20 what is the RADIUS?
10
200
Find Circumference when Radius - 10
62.83
200
Find the area of the orange below.
615.44 squared centimeters
200
If Jamie wanted to put a cushion around her trampoline, how long would it have to be? 
43.96 feet
200
What is the area of a circle with a diameter of 16 feet?
200.96 ft2
300
If the radius is 30 the DIAMETER is?
60
300
Find Circumference when Radius = 25
157.08
300
Find Area when Radius = 21 meters
1,384.74 m2
300
What is the circumference of a circle with a diameter of 14 inches?
43.96 inches
300
What is the area of a circle with a diameter of 27 yards?
572.265 yds2
400
If the radius is 20 what is the DIAMETER?
40
400
Kamri wants to build a wooden stand for her dog's new bowl. How far around does the hole have to be for the bowl to fit?
364.24 centimeters
400
Find the area of the donut, not including the hole. 
989.1 in2
Find area of the whole circle (r=18) then find area of donut hole (r=3), then subtract the area.
400
How far does Brody's unicycle travel after 1 revolution? After 120 revolutions? (Have to have both answers)
62.8 inches; 1,256 inches
400
How much space does the pepperoni portion of the pizza take up in squared inches?
189.97 square inches (in2)
500
If the Radius is 50 what is the DIAMETER?
100
500
Find Circumference when Radius = 75
471.24
500
Jenna wants to know how much space the Ferris wheel she rides takes up at the fair.
7,853.98 ft squared
500
What is the circumference of a circle with a diameter of 103 units?
323.42 units
500
What is the area of a circle with a diameter of 100?
7,850 units squared