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Adding and Subtracting Fractions with Like Denominators

3rd Grade · Math · Open Global Math

7 lessons

Goal

Add and subtract fractions with identical denominators within one whole using visual models, numeric equations, and multi-step word problems.

7 lessons
0 of 7 done
  1. Adding Fractions with the Same Denominator Using ModelsUp next
  2. Subtracting Fractions with the Same Denominator Using ModelsNot started yet
  3. Adding Fractions with the Same Denominator SymbolicallyNot started yet
  4. Subtracting Fractions with the Same Denominator SymbolicallyNot started yet
  5. Breaking a Fraction into Smaller FractionsYou are here
  6. Solving Fraction Addition and Subtraction Word ProblemsNot started yet
  7. Two-Step Fraction Word Problems with the Same DenominatorNot started yet
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Learning standards covered

GlobalOGM.4.NF.4Open Global Math Standards 2026™ · 3rd Grade

Compare two fractions with the same numerator or the same denominator by reasoning about unit sizes (recognizing comparisons are valid only for the same whole); record comparisons using >, =, and <; add and subtract fractions with identical denominators within one whole.