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6th grade · Math · Unit 16 of 17

Unit Rates

Price per item, miles per hour

What your child practices

Finding unit rates and unit prices, choosing the better buy, completing rate tables, and converting measurement units with ratios.

Washington State Learning Standards learning standard: M.6.R.RP.2; M.6.R.RP.3 · finding unit rates, using rate tables, and converting measurement units with ratio reasoning

How we explain it

Children can open this short lesson before they practice.

  1. A unit rate is the amount for 1.
  2. Divide the total by the number of units.
  3. Compare unit prices to find the better buy.

Example: 4 notebooks cost $6.00. What is the price of one? $6.00 ÷ 4 = $1.50. Answer: $1.50

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    6 notebooks cost $15.00. What is the price of one notebook?

    • $2.50
    • $3.00
    • $9.00
    • $3.25
    • $3.50

  2. Question 2

    The table shows a constant rate. What number goes where the ? is?

    GallonsMiles
    436
    545
    872
    10?
    • 90
    • 19
    • 91
    • 81
    • 63

  3. Question 3

    Which is the better buy for granola bars: 4 for $12.00 or 7 for $17.50?

    • 7 for $17.50
    • 4 for $12.00

  4. Question 4

    A train travels 360 miles in 6 hours at a steady speed. How many miles per hour is that?

    • 65
    • 354
    • 55
    • 66
    • 60

  5. Question 5

    There are 16 ounces in 1 pound. How many ounces are in 4 pounds?

    • 61
    • 128
    • 67
    • 64
    • 66

  6. Question 6

    There are 4 quarts in 1 gallon. How many gallons are 28 quarts?

    • 8
    • 14
    • 4
    • 7
    • 10

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