Practice Problems — Set 11

5.NF.B.3 · Interpret a fraction as division of the numerator by the denominator…

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. 1/4 + 1/4 = ___ 2. 3/4 − 1/4 = ___ 3. 2/5 + 1/5 = ___

_See printable PDF for diagram._

Written practice

1. 1/4 + 1/4 = ___ 2. Word problem: Use 1/4 cup flour, then 1/4 cup more. Total cups? ___ 3. 3/5 + 1/5 = ___ 4. Story: Walk 1/2 mile, then 1/4 mile more. Total miles? ___ 5. Story: 1/2 mile + 1/4 mile. Total? ___ 6. Explain why denominators stay the same when adding like fractions. 7. 2/5 + 1/5 = ___ 8. Story: 5 + 9 = ___

___________________________ ___________________________ ___________________________ ___________________________

More written practice

1. 6 + 11 = ___ 2. Story: 6 + 10 = ___ 3. 3 + 9 = ___ 4. Story: 2 + 11 = ___ 5. 5 + 11 = ___ 6. 6 + 8 = ___

___________________________ ___________________________ ___________________________ ___________________________ ___________________________

Patterns and rules

1. 1/4 + 1/4 = ___ 2. 3/4 − 1/4 = ___ 3. 2/5 + 1/5 = ___

_See printable PDF for diagram._

___________________________ ___________________________ ___________________________ ___________________________

Parent tip: Draw models before adding numerators