Understanding Circle Properties & Unit Conversions: Grade 5 Quiz

A circular garden has a radius of 5 meters. What is the diameter of the garden in centimeters?

• 1000 centimeters

• 200 centimeters

• 50 centimeters

• 500 centimeters

If a pizza has a diameter of 12 inches, what is its radius in inches?

• 8 inches

• 6 inches

• 5 inches

• 7 inches

A circular track has a circumference of 400 meters. What is the radius of the track in meters? (Use 3.14 for π)

• 100.00

• 50.24

• 63.66

• 80.00

A round table has a diameter of 1.5 meters. How many centimeters is that?

• 100 centimeters

• 150 centimeters

• 75 centimeters

• 200 centimeters

A bicycle wheel has a radius of 0.35 meters. What is the circumference of the wheel in meters? (Use 3.14 for π)

• 1.76

• 2.50

• 2.198

• 3.14

A circular swimming pool has a radius of 10 feet. How many feet is the diameter of the pool?

• 15 feet

• 25 feet

• 30 feet

• 20 feet

If a circular clock has a radius of 6 inches, what is the area of the clock face in square inches? (Use 3.14 for π)

• 113.1

• 150.72

• 78.5

• 113.04

A circular garden has a circumference of 31.4 meters. What is the radius of the garden in meters? (Use 3.14 for π)

• 3

• 10

• 7

• 5

A round cake has a diameter of 24 centimeters. What is the radius of the cake in centimeters?

• 16 centimeters

• 14 centimeters

• 10 centimeters

• 12 centimeters

A circular fountain has a radius of 2.5 meters. What is the area of the fountain in square meters? (Use 3.14 for π)

• 19.625

• 31.4

• 25.0

• 15.7