Grade 4 · Number and Operations—Fractions

CCSS.MATH.CONTENT.4.NF.B.3b

Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model.

Read this standard on the official Common Core site

Lessons that teach this standard

• Mixed Numbers and Improper Fractions: Converting Both Ways

  How to change an improper fraction into a mixed number by dividing, how to change it back by multiplying, and when each form is the useful one.