Distance around a circle
Grade 7 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.
Tala wraps ribbon once around a round pizza. The ribbon is 103.62 cm long. The ribbon smells like dinner. What is the diameter in cm? Use π = 3.14. Do not round.
Zee wraps ribbon once around a round button. The ribbon is 3.768 cm long. What is the diameter in cm? Use π = 3.14. Do not round.
Sketch, not to scale. A circle with the distance around marked 3.768 cm and its diameter marked ?. Sketch, not to scale. A circle with the distance around marked 3.768 cm and its diameter marked ?. 3.768 cm ? Not to scale. Ari's bike has a wheel 0.5 m across. The wheel makes 12 full turns without slipping. How far does it roll in meters? Use π = 3.14 and do not round.
Sketch, not to scale. A wheel with its diameter 0.5 m drawn across, rolling along a straight path for 12 full turns. Sketch, not to scale. A wheel with its diameter 0.5 m drawn across, rolling along a straight path for 12 full turns. 0.5 m 12 full turns Not to scale. Jun's bike has a wheel 0.5 m across. It rolls 31.4 m without slipping. How many full turns does the wheel make? Use π = 3.14 and do not round.
Sketch, not to scale. A wheel with its diameter 0.5 m drawn across, rolling along a straight path 31.4 m long. Sketch, not to scale. A wheel with its diameter 0.5 m drawn across, rolling along a straight path 31.4 m long. diameter 0.5 m 31.4 m Not to scale. Luz's bike has a wheel 0.6 m across. It rolls 56.52 m without slipping. How many full turns does the wheel make? Use π = 3.14 and do not round.
Sketch, not to scale. A wheel with its diameter 0.6 m drawn across, rolling along a straight path 56.52 m long. Sketch, not to scale. A wheel with its diameter 0.6 m drawn across, rolling along a straight path 56.52 m long. diameter 0.6 m 56.52 m Not to scale. Noah's half-round flower bed has a diameter of 7 m. How far is it all the way around, curved edge plus straight edge? Use π = 3.14. Do not round.
Sketch, not to scale. A half circle: a curved edge and a straight edge, which is the diameter, 7 m. Sketch, not to scale. A half circle: a curved edge and a straight edge, which is the diameter, 7 m. 7 m Not to scale. Pia's half cookie has a diameter of 4 cm. The chips picked a side. How far is it all the way around, curved edge plus straight edge? Use π = 3.14. Do not round.
Sketch, not to scale. A half circle: a curved edge and a straight edge, which is the diameter, 4 cm. Sketch, not to scale. A half circle: a curved edge and a straight edge, which is the diameter, 4 cm. diameter, 4 cm curved edge straight edge Not to scale. Tala wraps ribbon once around a plate 21 cm across, plus 15 cm more to tie the bow. How long is the ribbon in cm? Use π = 3.14. Do not round.
Sketch, not to scale. A circle with its diameter 21 cm drawn across, and 15 cm marked as extra at the end of the distance around. Sketch, not to scale. A circle with its diameter 21 cm drawn across, and 15 cm marked as extra at the end of the distance around. 21 cm 15 cm extra distance around Not to scale. Zee puts string lights once around a flower bed 5 m across, plus 2 m more to reach the plug. How long are the lights in meters? Use π = 3.14. Do not round.
Sketch, not to scale. A circle with its diameter 5 m drawn across, and 2 m marked as extra at the end of the distance around. Sketch, not to scale. A circle with its diameter 5 m drawn across, and 2 m marked as extra at the end of the distance around. Sketch, not to scale 5 m 2 m Bo wraps ribbon once around a clock face 26 cm across, plus 12 cm more to tie the bow. How long is the ribbon in cm? Use π = 3.14. Do not round.
Sketch, not to scale. A circle with its diameter 26 cm drawn across, and 12 cm marked as extra at the end of the distance around. Sketch, not to scale. A circle with its diameter 26 cm drawn across, and 12 cm marked as extra at the end of the distance around. 26 cm 12 cm Not to scale.