Circumference Word Problems: Estimating and Solving for 6th Grade

A circular garden has a diameter of 10 feet. What is the approximate circumference of the garden?

• 25.0 feet

• 40.0 feet

• 31.4 feet

• 15.7 feet

A bicycle tire has a radius of 14 inches. Estimate the circumference of the tire. How would this affect the distance traveled in one rotation?

• Approximately 50 inches

• Approximately 100 inches

• Approximately 70 inches

• Approximately 88 inches

A round table has a circumference of 60 inches. What is the diameter of the table?

• 24.5 inches

• 19.1 inches

• 15.7 inches

• 30 inches

A swimming pool is shaped like a circle with a radius of 15 feet. Estimate how much fencing is needed to go around the pool.

• Approximately 94.2 feet

• Approximately 60 feet

• Approximately 75 feet

• Approximately 100 feet

A circular track has a circumference of 400 meters. If a runner completes 5 laps, how many meters have they run in total?

• 2500 meters

• 1500 meters

• 3000 meters

• 2000 meters

A pizza has a diameter of 12 inches. If you want to share it with 3 friends, how much circumference does each person get if you cut it into equal slices?

• 6.283 inches

• 3.142 inches

• 12.566 inches

• 9.425 inches

A circular fountain has a radius of 8 feet. Estimate the circumference to determine how much tile is needed to surround it.

• Approximately 40.96 feet

• Approximately 50.24 feet

• Approximately 25.12 feet

• Approximately 62.83 feet

A hula hoop has a circumference of 36 inches. If you want to make a new one that is twice as large, what will be the circumference of the new hula hoop?

• 60 inches

• 36 inches

• 72 inches

• 48 inches

A circular pond has a diameter of 20 meters. How much water would be needed to fill it if the depth is 2 meters? (Estimate the circumference first to find the area)

• 628.32 cubic meters

• 314.16 cubic meters

• 502.65 cubic meters

• 785.40 cubic meters

A round clock has a circumference of 60 centimeters. If the minute hand is 15 centimeters long, how far does the tip of the minute hand travel in one hour?

• 30 centimeters

• 60 centimeters

• 120 centimeters

• 94.2 centimeters