Math · Grades 3-5 · 50 minutes
Adding fractions with the same denominator
Students fold paper strips into equal parts, then add fractions that share a denominator and check the sum against the model.
Students will be able to
- Add two fractions that have the same denominator.
- Explain why the denominator stays the same using a paper-strip model.
Standards
- Aligned to CCSS.MATH.CONTENT.4.NF.B.3 — Add and subtract fractions with like denominators by joining and separating parts of the same whole.
Source
Original lesson. Original lesson and paper-strip activity written for this site.