CCSS 4.NF.B.3 Worksheets
Grade 4 · Number & Operations - Fractions
Add and subtract fractions with the same denominator by joining and separating parts of a whole.
Below are free printable worksheets that support 4.NF.B.3. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.
Teach this standard
Deliver a whole lesson on 4.NF.B.3 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.
Teaching guide
Add and subtract fractions with the same denominator by joining and separating parts of a whole.
Start with fair sharing of one whole into equal parts, name unit fractions, then build non-unit and equivalent fractions with fraction strips.
Generated and checked in code, so it is correct.
Forgetting the parts must be equal, and thinking a larger denominator always means a larger fraction.