Discovering Circles: Pi in Action for Grade 5

A circular garden has a diameter of 10 feet. What is the circumference of the garden? (Use pi = 3.14)

• 15.7 feet

• 31.4 feet

• 20 feet

• 25.6 feet

If a pizza has a radius of 8 inches, what is the area of the pizza? (Use pi = 3.14)

• 150.72 square inches

• 250.24 square inches

• 200.96 square inches

• 100.48 square inches

A round swimming pool has a diameter of 12 meters. How far would you walk if you walked around the pool once? (Use pi = 3.14)

• 45.84 meters

• 30.00 meters

• 25.12 meters

• 37.68 meters

A bicycle wheel has a radius of 14 inches. How far does the bicycle travel in one complete rotation of the wheel? (Use pi = 3.14)

• 100.48 inches

• 78.54 inches

• 87.92 inches

• 56.28 inches

A circular table has a circumference of 31.4 inches. What is the diameter of the table? (Use pi = 3.14)

• 10 inches

• 15 inches

• 12 inches

• 8 inches

If a circular track has a radius of 20 meters, what is the area of the track? (Use pi = 3.14)

• 1500 square meters

• 400 square meters

• 1256 square meters

• 1000 square meters

A round clock has a diameter of 12 inches. What is the circumference of the clock? (Use pi = 3.14)

• 40.84 inches

• 31.42 inches

• 37.68 inches

• 25.12 inches

A circular fountain has a radius of 5 feet. How much water would it take to fill the fountain to a height of 2 feet? (Use pi = 3.14 for the base area)

• 314.0 cubic feet

• 100.0 cubic feet

• 50.0 cubic feet

• 157.0 cubic feet

If a circular pizza has a diameter of 16 inches, what is the area of the pizza? (Use pi = 3.14)

• 200.96 square inches

• 180.96 square inches

• 150.72 square inches

• 250.48 square inches

A circular garden has a radius of 3 meters. What is the circumference of the garden? (Use pi = 3.14)

• 12.56 meters

• 25.12 meters

• 18.84 meters

• 9.42 meters