Circumference & Diameter Adventures for Grade 5

A circular garden has a radius of 4 meters. What is the circumference of the garden?

• 12 meters

• 8 meters

• 8π meters

• 16π meters

If a bicycle wheel has a diameter of 26 inches, how far does the bike travel in one complete rotation of the wheel?

• Approximately 65 inches

• Approximately 81.68 inches

• Approximately 100 inches

• Approximately 50 inches

A round table has a circumference of 31.4 feet. What is the diameter of the table?

• 8 feet

• 15 feet

• 12 feet

• 10 feet

A hula hoop has a radius of 1.5 feet. Calculate the circumference of the hula hoop.

• 9.42 feet

• 3.14 feet

• 12.56 feet

• 6.28 feet

The playground has a circular sandbox with a diameter of 10 feet. What is the circumference of the sandbox?

• 31.4 feet

• 25.0 feet

• 15.7 feet

• 40.0 feet

A circular swimming pool has a radius of 7 meters. How much fencing is needed to go around the pool?

• 30 meters

• Approximately 43.98 meters

• 25 meters

• 50 meters

If the diameter of a pizza is 12 inches, what is the circumference of the pizza?

• 37.68 inches

• 40.84 inches

• 31.42 inches

• 25.12 inches

A circular track has a circumference of 400 meters. What is the radius of the track?

• 63.66 meters

• 80 meters

• 50 meters

• 100 meters

A wheel has a circumference of 31.4 inches. What is the diameter of the wheel?

• 8 inches

• 12 inches

• 10 inches

• 15 inches

A circular flower bed has a radius of 3 feet. How much mulch is needed to cover the area around the flower bed?

• 15.70 square feet

• 50.24 square feet

• Approximately 28.27 square feet

• 12.56 square feet