Practice Problems — Set 18

2.OA.C.4 · Use addition to find the total number of objects arranged in rectangu…

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

Warm-up

1. 7 + 6 = ___ 2. 13 − 6 = ___ 3. 39 − 6 = ___

_See printable PDF for diagram._

Written practice

1. Two-step: Start with 11, add 3, then subtract 1. Result? ___ 2. Explain your thinking for this word problem in one sentence. 3. Create your own word problem for 2.OA.C.4. 4. Story: 6 apples and 5 more arrive. Total? ___ 5. Story: 6 apples and 5 more. Total? ___ 6. Story: 11 stickers, give away 5. Left? ___ 7. Story: 11 stickers, give away 5. Left? ___ 8. Word problem: 38 marbles, lose 5. How many left? ___

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More written practice

1. 41 − 4 = ___ 2. Fill in: 6 + ___ = 11 3. Story: 5 apples and 5 more. Total? ___ 4. Story: 10 stickers, give away 5. Left? ___ 5. 4 + 5 = ___ 6. 9 − 5 = ___

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Patterns and rules

1. 7 + 7 = ___ 2. 14 − 7 = ___ 3. 55 − 6 = ___

_See printable PDF for diagram._

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Stretch

1. Two-step: Start with 11, add 3, then subtract 1. Result? ___ 2. Explain your thinking for this word problem in one sentence.

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Parent tip: Draw number bonds or number lines