Distance around a circle
Grade 7 Math Worksheet - Challenge Me
Circle the best answer, or write your answer on the line.
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.
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.
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.
Bo's scooter has a wheel 12 cm across. The wheel makes 25 full turns without slipping. How far does it roll in cm? Use π = 3.14 and do not round.
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.
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.
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.
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.
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.
Ari glues trim once around a hand mirror 11 cm across, plus 3 cm more to overlap at the ends. How long is the trim in cm? Use π = 3.14. Do not round.