Distance around a circle

Grade 7 Math Worksheet - Challenge Me

NameDate

Circle the best answer, or write your answer on the line.

  1. Ren wraps ribbon once around a round plate. The ribbon is 59.66 cm long. The ribbon fit on the first try. What is the diameter in cm? Use π = 3.14. Do not round.

  2. 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.

  3. 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.

  4. 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.

  5. Esme's bike has a wheel 0.6 m across. The wheel makes 15 full turns without slipping. How far does it roll in meters? Use π = 3.14 and do not round.

  6. 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.

  7. Milo's half pizza has a diameter of 38 cm. The other half is already gone. How far is it all the way around, curved edge plus straight edge? Use π = 3.14. Do not round.

  8. 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.

  9. Ren's half paper plate has a diameter of 23 cm. How far is it all the way around, curved edge plus straight edge? Use π = 3.14. Do not round.

  10. 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.

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Distance around a circle

Answer Key - Grade 7 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.

  1. Ren wraps ribbon once around a round plate. The ribbon is 59.66 cm long. The ribbon fit on the first try. What is the diameter in cm? Use π = 3.14. Do not round.

    19
  2. 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.

    33
  3. 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.

    1.2
  4. 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.

    18.84
  5. Esme's bike has a wheel 0.6 m across. The wheel makes 15 full turns without slipping. How far does it roll in meters? Use π = 3.14 and do not round.

    28.26
  6. 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.

    30
  7. Milo's half pizza has a diameter of 38 cm. The other half is already gone. How far is it all the way around, curved edge plus straight edge? Use π = 3.14. Do not round.

    97.66
  8. 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.

    17.99
  9. Ren's half paper plate has a diameter of 23 cm. How far is it all the way around, curved edge plus straight edge? Use π = 3.14. Do not round.

    59.11
  10. 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.

    17.7