Car Wheel project

Anonymous
timer Asked: May 2nd, 2017

Question description

Objective

  • Determine the number of rotations of a circle of a specified size it takes to cover a given distance Circles :
  • Answer the following questions and turn in:
  • How do you find the area of a circle?
  • How do you find the circumference of a circle?
  • What information do you need in order to find the area or circumference of a circle?
  • To determine the number of full rotations your tires complete before you need to switch the front and back tires, will you be working with area or circumference?
  • Measure the circumference of the tires of three different vehicles. Vehicles can include cars, bikes, scooters, tractors, etc.
  • Determine the number of full rotations the tires of each of the vehicles will complete in 10,000 miles.
  • Choose one of the vehicles and keep track of how far you travel in that vehicle for a week. Calculate the average daily number of rotations made by the tires.
  • Use your data to predict when you will need to switch the front and back tires.
  • You will turn in the following:

    • a table containing the circumferences of the tires of three vehicles
    • clearly labeled calculations showing how you determined the number of rotations each of the vehicles’ tires will complete in 10,000 miles
    • data showing distance traveled in a week
    • clearly labeled calculations showing how you found the average daily number of rotations
    • a prediction for when you will need to switch the front and back tires and an explanation of your prediction
    • a paragraph explaining what would happen to the number of rotations if your tires’ circumference increased by 20%
    • a paragraph explaining what would happen to the number of rotations if your tires’ circumference decreased by 20%

Name Date Math Portfolio Rubric UNIT NAME: AREA Portfolio Project: Car Wheel Rotation Project Criteria (Weight) Excellent (4) Good (3) Fair (2) Poor (1) Reasoning and Communication The student provides a clear, logical, and precise explanation of his/her prediction of when the tires will need to be switched. The student provides an adequate explanation of his/her prediction of when the tires will need to be switched. The student provides a partial explanation of his/her prediction of when the tires will need to be switched. The student provides a limited explanation of his/her prediction of when the tires will need to be switched. The portfolio project demonstrates excellent modeling and/or use of tools. Measurements of all tires are exact. The portfolio project demonstrates adequate modeling and/or use of tools. Measurements of all tires are adequate. The portfolio project demonstrates some modeling and/or use of tools. Measurements of all tires are present. The portfolio project demonstrates little or no modeling and/or use of tools. (x1) Modeling and/or Use of Tools (x1) © 2015 Connections Education LLC. All rights reserved. Points Awarded /4 /4 Criteria (Weight) Excellent (4) Good (3) Fair (2) Poor (1) Presentation The portfolio project demonstrates a fully developed understanding of circumference. Calculations are error free. The portfolio project demonstrates an adequate understanding of circumference. Calculations have few errors. The portfolio project demonstrates a basic understanding of circumference. Calculations have many errors. The portfolio project demonstrates an inaccurate understanding of circumference. (x2) Total points: Points Awarded /8 /16 Comments © 2014 Connections Education LLC. All rights reserved. 2
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