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6th grade · Math · Unit 5 of 19

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.

Texas Essential Knowledge and Skills (TEKS) teks student expectation: 6.4(B); 6.4(D); 6.4(H) · rates and unit rates, and converting units with ratios

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

Unit Rates in Texas

In the Texas Essential Knowledge and Skills (TEKS), this is unit 5 of 19 in 6th grade Math, after Mixed Numbers & Ratios and before Percents & Budgets.

Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.

Source: Texas Education Agency (TEA)

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

    A cyclist rides 80 kilometers in 2 hours at a steady speed. How many kilometers per hour is that?

    • 78
    • 45
    • 25
    • 42
    • 40

  2. Question 2

    There are 3 feet in 1 yard. How many feet are in 7 yards?

    • 20
    • 24
    • 42
    • 21
    • 18

  3. Question 3

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

    GallonsMiles
    26
    515
    618
    8?
    • 18
    • 25
    • 24
    • 27
    • 11

  4. Question 4

    6 notebooks cost $9.00. What is the price of one notebook?

    • $1.75
    • $3.00
    • $2.50
    • $1.50
    • $1.00

  5. Question 5

    Which is the better buy for granola bars: 4 for $4.00 or 6 for $4.50?

    • 6 for $4.50
    • 4 for $4.00

  6. Question 6

    There are 3 feet in 1 yard. How many feet are in 5 yards?

    • 30
    • 12
    • 15
    • 16
    • 18

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