Practice Problems — Set 17

5.NF.B.4 · Apply and extend previous understandings of multiplication to multipl…

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. Two-step: Start with 18, add 4, then subtract 3. Result? ___ 2. Explain your thinking for this word problem in one sentence. 3. Create your own word problem for 5.NF.B.4. 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. Word problem: Use 1/4 cup flour, then 1/4 cup more. Total cups? ___ 8. Story: 4 + 10 = ___

___________________________ ___________________________ ___________________________ ___________________________

More written practice

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

___________________________ ___________________________ ___________________________ ___________________________ ___________________________

Patterns and rules

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

_See printable PDF for diagram._

___________________________ ___________________________ ___________________________ ___________________________

Stretch

1. Two-step: Start with 18, add 4, then subtract 3. Result? ___ 2. Explain your thinking for this word problem in one sentence.

___________________________ ___________________________ ___________________________ ___________________________

Parent tip: Draw models before adding numerators