Printable Fraction of a Number Worksheets
Fraction of a number worksheets teach 3rd through 5th graders to calculate fractional sets like finding 2/3 of 18. These printable pages feature array grouping, word problems, and complete answer keys.
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About Fraction of a Number
What this skill is
Finding a fraction of a whole number applies fraction concepts to sets, solved by dividing the whole by the denominator and multiplying by the numerator.
When children learn it
Unit fractions of sets begin in 3rd grade, expanding to non-unit fractions and multiplication connections in 4th and 5th grade (CCSS 4.NF.B.4, 5.NF.B.4).
Teaching Tips
- Teach the two-step chant: "Divide by the bottom, multiply by the top!". For 3/4 of 20: 20 divided by 4 is 5; 5 times 3 is 15. Chanting this rhyme makes multi-step set fractions simple.
Common Mistakes
- Multiplying by the denominator and dividing by the numerator by mistake.
- Finding only the unit fraction (1/3 of 18 = 6) and forgetting to multiply by the numerator for non-unit fractions (2/3 = 12).
- Struggling when the whole number does not divide evenly by the denominator.
More Fractions Concepts
Equal PartsIntroduction to FractionsNumerator and DenominatorFractions on a Number LineAdding FractionsComparing FractionsCompleting Whole NumbersEquivalent FractionsFraction Word ProblemsOrdering FractionsSubtracting FractionsFractions and DecimalsMixed Numbers and Improper FractionsMultiplying FractionsSimplifying FractionsDividing FractionsMixed Operations with Fractions