Radius and Diameter: Fun Circumference Quiz for 6th Graders

A circular garden has a radius of 5 meters. What is the circumference of the garden? (Use π = 3.14)

• 31.4 meters

• 25.0 meters

• 40.0 meters

• 15.7 meters

Tags

CCSS.7.G.B.4

If a pizza has a diameter of 12 inches, what is its circumference? (Use π = 3.14)

• 40.84 inches

• 31.42 inches

• 37.68 inches

• 25.12 inches

Tags

CCSS.7.G.B.4

A bicycle wheel has a radius of 14 inches. How far does the bicycle travel in one complete rotation of the wheel?

• Approximately 70 inches

• Approximately 87.96 inches

• Approximately 100 inches

• Approximately 50 inches

Tags

CCSS.7.G.B.4

A circular swimming pool has a circumference of 31.4 meters. What is the radius of the pool? (Use π = 3.14)

• 3 meters

• 10 meters

• 5 meters

• 7 meters

Tags

CCSS.7.G.B.4

A round table has a diameter of 1.5 meters. What is the circumference of the table? (Use π = 3.14)

• 4.71 meters

• 6.28 meters

• 4.00 meters

• 3.14 meters

Tags

CCSS.7.G.B.4

If a circular track has a circumference of 400 meters, what is the diameter of the track? (Use π = 3.14)

• 100 meters

• 200 meters

• 150 meters

• 127.39 meters

Tags

CCSS.7.G.B.4

A hula hoop has a radius of 0.75 meters. What is the circumference of the hula hoop? (Use π = 3.14)

• 6.28 meters

• 5.25 meters

• 4.71 meters

• 3.14 meters

Tags

CCSS.7.G.B.4

A circular fountain has a diameter of 10 feet. How much water would be needed to fill it to a depth of 1 foot, assuming the circumference is used to calculate the area?

• 50 cubic feet

• 100 cubic feet

• 25 cubic feet

• 78.5 cubic feet

Tags

CCSS.7.G.B.4

If a circular pizza has a circumference of 25.12 inches, what is the radius of the pizza? (Use π = 3.14)

• 6 inches

• 4 inches

• 3 inches

• 5 inches

Tags

CCSS.7.G.B.4

A circular clock has a diameter of 30 cm. What is the circumference of the clock? (Use π = 3.14)

• 100 cm

• 78.5 cm

• 85.5 cm

• 94.2 cm

Tags

CCSS.7.G.B.4