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MathGrade 3Fractions

Knowledge atom

Compare fractions with the same denominator

G3.FRA.15Grade 3FractionsSource mission: Compare Like-Structured Fractions

Decides which of two fractions with a common denominator is greater by comparing numerators.

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Standards alignment

3.NF.A.3d

Prerequisites

Common misconceptions

  • says 5/8 > 3/8 'because 5 > 3' without noting the pieces must match — right answer, fragile reasoning that breaks on FRA.16

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Decides which of two fractions with a common denominator is greater by comparing numerators.

Estimated time: ~5 min

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