7th Grade Math

(Marvins-Underground-K-12) #1

Test PracticeT


642 Measurement and Proportional Reasoning

C 18. OPEN ENDED Give an example of a unit rate used in a real-world
situation.


  1. FIND THE ERROR Divya is converting miles per hour to kilometers per
    minute. Find her mistake and correct it.


_65 mi1 h = _65 mi1 h · _1.61 km1 mi · _60 min1 h


= __^65 · 1.61 1 ·^60
= 6,279 kilometers per minute


  1. E WRITE MATH Compare and contrast pounds per gallon to kilograms
    per liter.

  2. PAPER Standard sized notebook paper is 8 _^1
    2
    inches by 11 inches. What are
    the dimensions in centimeters? (Lesson 1D)


Convert. Round to the nearest hundredth if necessary. (Lessons 1B and 1C)


  1. 34 yd =  ft 25. 1 _^1
    2
    gal =  qt

  2. 4.67 m =  cm 27. 901 g =  kg
    21. Thirty-five miles per hour is the same
    rate as which of the following?
    A. 150 feet per minute
    B. 1,500 feet per minute
    C. 2,200 feet per minute
    D. 3,080 feet per minute
    22. SHORT RESPONSE An oil tanker
    empties at 3.5 gallons per minute. Convert
    this rate to cups per second. Round to the
    nearest tenth. Show the steps you used.


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