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Common Core Alignment

CCSS.Math.Content.4.NF.3.d - Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.g., by using visual fraction models and equations to represent the problem.

5: Math

Unit 5: Fractions
Lesson 13: More Practice and Problem Solving
Lesson 9: Solving Fraction Problems
Unit 9: Skills Review
Lesson 3: Fractions and Decimals