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Diameter
Radius
Circumference
Radius and diameter
Word Problems
100
Radius is 6.5 cm what is diameter
What is 13 cm
100
My diameter is 64 cm what is my radius
What is 32 cm
100

Formula for circumference is?

2(PI)xRadius

100
The diameter is 60 cm what is the radius
What is 30 cm
100

Troy bought a new CD. The radius of this CD is 7.1cm, what is the diameter?

14.2cm

200
The radius is 99 cm what is the diameter
What is 198 cm
200
The diameter is 280 cm what is the radius
What is 140 cm
200

What is circumference? (must include 2 keywords to get correct)

Measurement of the boundary of a circle 

200
The radius is 68 cm what is the diameter
What is 136 cm
200

A container that holds tennis balls has a diameter of 17cm, what is the radius of this container?

8.5 cm

300
The radius is 264 cm what is the diameter
What is 528 cm
300
The diameter is 100 cm plus 64 cm what is the radius
What is 82 cm
300

The radius of a circle is 10, what is the circumference? 

62.83

300
The diameter is 68 cm what is the radius
What is 34 cm
300

Valley Manor is building a pool with a radius of 12 meters, what is the circumference? 

75.39 meters

400
The radius is 985 cm what is the diameter
What is 1,970 cm
400

The diameter is 23,987 cm, what is the radius?

11,993 cm

400

The radius of a circle is 27, what is the circumference? 

169.64

400
The radius is 2,394 cm what is the diameter
What is 4,788 cm
400

Saskatoon is building a circular amusement park. The radius of the park is 94m. The city wants to build fencing around the park that costs $4 per meter. What is the cost of fencing for the circumference of the circular park?

$590.16

500
The radius is 1,537 cm what is the diameter
What is 3,074 cm
500

The diameter is 12 multiplied by 7. What is the radius? 

42

500

The diameter of a circle is 56, what is the circumference?

175.92

500
The diameter is 4,788 cm what is the radius
What is 2,394 cm
500

Miguel bought a new tire for his bike. The bike has a diameter of 22. The tire is 2 inches smaller than the rim. Find the circumference of the tire and rim. 

69.11 inches for the tire and 67.11 inches for the rim