Fractions: Equivalence and Operations · Numbers & Operations: Fractions

Decomposing and Composing Fractions

Understanding addition and subtraction of fractions as joining and separating parts referring to the same whole.

Key Questions

  1. 1How can a single fraction be broken into a sum of smaller unit fractions?
  2. 2Why do we only add the numerators and not the denominators when joining parts?
  3. 3How can we use number lines to visualize the distance between two fractional points?

Common Core State Standards

CCSS.Math.Content.4.NF.B.3CCSS.Math.Content.4.NF.B.4
Grade: 4th Grade
Subject: Mathematics
Unit: Fractions: Equivalence and Operations
Period: Numbers & Operations: Fractions

Suggested Methodologies

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