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5th grade · Math · Unit 9 of 14

Converting Units

Inches to feet, grams to kilograms

What your child practices

Converting between units in the US customary and metric systems (both ways, including decimals) and using conversions in multi-step problems.

Maine Learning Results learning standard: 5.MD.A.1 · converting between different-sized units within one measurement system and using conversions in multi-step problems

How we explain it

Children can open this short lesson before they practice.

  1. Big unit to small unit: multiply. Small unit to big unit: divide.
  2. Know the facts: 12 in = 1 ft, 16 oz = 1 lb, 4 qt = 1 gal, 100 cm = 1 m, 1000 g = 1 kg.
  3. Change to the same unit before you add or subtract.

Example: A rope is 4 yards long. How many feet is that? 1 yard = 3 feet. 4 × 3 = 12. Answer: 12 feet

Converting Units in Maine

In the Maine Learning Results, this is unit 9 of 14 in 5th grade Math, after Parallel Lines and Quadrilaterals and before Parentheses & Expressions.

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

    4300 meters is how many kilometers?

    answer boxkilometers

  2. Question 2

    7000 grams is how many kilograms?

    • 4
    • 7
    • 7,000,000
    • 70
    • 5

  3. Question 3

    How many inches are in 5 yards?

    • 41
    • 216
    • 1800
    • 108
    • 180

  4. Question 4

    How many inches is 3 feet 7 inches?

    • 37
    • 55
    • 10
    • 36
    • 43

  5. Question 5

    A bag holds 5 pounds of flour. A baker uses 15 ounces. How many ounces are left?

    • 62
    • 95
    • 65
    • 67
    • 35

  6. Question 6

    21 feet is how many yards?

    • 8
    • 63
    • 7
    • 5
    • 70

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