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4th grade · Math · Unit 15 of 17

Feet, Pounds & Gallons

Convert units of measure

What your child practices

Knowing how US customary units compare (12 inches in a foot, 16 ounces in a pound, 4 quarts in a gallon) as well as metric and time units, and converting a larger unit to a smaller one.

Texas Essential Knowledge and Skills (TEKS) teks student expectation: 4.8(A); 4.8(B); 4.8(C) · relative sizes of customary units, converting, and solving measurement problems

How we explain it

Children can open this short lesson before they practice.

  1. 1 foot = 12 inches. 1 yard = 3 feet. 1 pound = 16 ounces.
  2. 1 gallon = 4 quarts. 1 quart = 2 pints. 1 pint = 2 cups.
  3. Big unit to small unit: multiply.

Example: How many ounces are in 3 pounds? 1 pound = 16 ounces. 3 × 16 = 48. Answer: 48 ounces

Feet, Pounds & Gallons in Texas

In the Texas Essential Knowledge and Skills (TEKS), this is unit 15 of 17 in 4th grade Math, after Metric Measures and before Line Plots & Data.

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

    What number goes where the ? is?

    Yards and inches
    yardsinches
    272
    3108
    4144
    5?
    • 41
    • 252
    • 180
    • 181
    • 108

  2. Question 2

    How many minutes is 6 hours 13 minutes?

    • 373
    • 433
    • 73
    • 19
    • 360

  3. Question 3

    Which is more: 2 pounds or 37 ounces?

    • 37 ounces
    • 2 pounds

  4. Question 4

    How many milliliters are in 6 liters?

    • 6000
    • 1006
    • 60,000
    • 7000
    • 3000

  5. Question 5

    Which is the heaviest?

    • 1 gram
    • 1 kilogram
    • 1 ounce

  6. Question 6

    A cooler holds 3 gallons of lemonade. 2 quarts are poured out. How many quarts are left?

    • 12
    • 7
    • 10
    • 1
    • 14

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