Use inverse operations — Guided Practice — page 1
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Worksheet directions

Grade 1 • Guided Practice • Work with your teacher or a partner. Discuss the model or strategy, then complete each problem.

Sample questions

  1. Complete: 4 + 9 = 9 + ___. 4 + 9 = 9 + ___
  2. The parts are 6 and 8. What is the whole? 6 + 8 = ___
  3. In 3 + 7 = 10, which number is the whole? Whole: ___
  4. Write a take-away story for 9 − 3. 9 - 3 = ___
  5. If 5 + 7 = 12, complete the related subtraction fact. 12 - 5 = ___
  6. 14 is the whole. One part is 6. Find the other part. 14 - 6 = ___

See the preview for diagrams, answer spaces, and the complete layout.

Common Core connections

Source labels: 1.OA.B.3–4. Review the learning goals below to check the fit for your class.

  • 1.OA.B.3 — Apply commutative and associative properties
  • 1.OA.B.4 — Understand subtraction as an unknown addend

Bring it into your lesson

Review the preview and question content above. Open the resource in Sparkclass to copy it to your Files and use it in your workspace. Check the resulting layout before sharing it with students.

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