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Practice Problems — Set 18

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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. Talk through today's focus: Use addition to find the total number of objects arranged in rectangu… 2. Try one oral example together before writing. 3. Use the diagram to explain your thinking.

_See printable PDF for diagram._

Written practice

1. 6 + 5 = ___ 2. 11 − 5 = ___ 3. 38 − 5 = ___ 4. Fill in: 6 + ___ = 13 5. Story: 6 apples and 5 more. Total? ___ 6. Story: 11 stickers, give away 5. Left? ___ 7. Explain your thinking for set 18 in one sentence. 8. Create your own problem for 2.OA.C.4.

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More written practice

1. Apply Use addition to find the total number of objects arranged in rectangu… (item 9, set 18): show your work. ___ 2. Apply Use addition to find the total number of objects arranged in rectangu… (item 10, set 18): show your work. ___ 3. Apply Use addition to find the total number of objects arranged in rectangu… (item 11, set 18): show your work. ___ 4. Apply Use addition to find the total number of objects arranged in rectangu… (item 12, set 18): show your work. ___ 5. Apply Use addition to find the total number of objects arranged in rectangu… (item 13, set 18): show your work. ___ 6. Apply Use addition to find the total number of objects arranged in rectangu… (item 14, set 18): show your work. ___

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Patterns and rules

1. Identify the rule in today's 2.OA.C.4 practice. 2. Show your work with a drawing or diagram. 3. Explain your answer to a parent.

_See printable PDF for diagram._

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Stretch

1. Create your own 2.OA.C.4 question for a parent to solve. 2. Explain your method in two sentences.

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Parent tip: Draw number bonds or number lines

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All practice problems Back to 2.OA.C.4