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4th grade · Math · Unit 13 of 15

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.

Maine Learning Results learning standard: 4.MD.A.1; 4.MD.A.2 · knowing the relative sizes of measurement units, converting larger units to smaller ones, 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 Maine

In the Maine Learning Results, this is unit 13 of 15 in 4th grade Math, after Prime & Composite 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: Maine Department of Education

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

    How many minutes is 5 hours 15 minutes?

    • 375
    • 20
    • 65
    • 300
    • 315

  2. Question 2

    How many feet are in 4 yards?

    • 15
    • 3
    • 120
    • 7
    • 12

  3. Question 3

    Which is the longest?

    • 1 centimeter
    • 1 kilometer
    • 1 meter

  4. Question 4

    Which is more: 2 gallons or 7 quarts?

    • 7 quarts
    • 2 gallons

  5. Question 5

    A cooler holds 4 gallons of lemonade. 3 quarts are poured out. How many quarts are left?

    • 16
    • 13
    • 19
    • 11
    • 1

  6. Question 6

    What number goes where the ? is?

    Pounds and ounces
    poundsounces
    116
    232
    348
    4?
    • 65
    • 16
    • 20
    • 80
    • 64

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