Converting customary units worksheets
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Going to a smaller unit means more of them, so multiply. Going to a bigger unit means fewer, so divide.
Two grades, each its own sheet. Print one here, or open a grade for examples and teaching notes.
Print by grade
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4th grade Core grade
Each print is a different sheet with its own answer key. You don't need to sign up.
Fourth grade customary conversion worksheets go one direction: larger unit to smaller, whole numbers only. Prompts look like 3 ft = ___ in, drawing from feet and inches, pounds and ounces, and gallons and quarts. Each item is one multiplication.
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5th grade
Fifth grade sheets convert in both directions. Alongside 3 ft = ___ in, your child meets 48 in = ___ ft, where dividing is the right move. Choosing multiply or divide before touching the numbers is the real skill.
More on length & units
All measurement worksheets →
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