Add and subtract within 100 using place-value and number-line strategies. — Review — page 1
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Add and subtract within 100 using place-value and number-line strategies. — Review — page 2
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Worksheet directions

Grade 2 • Review • Choose a strategy for each problem. Explain or check your thinking where requested.

Sample questions

  1. A student says 58 + 29 = 97. Find and fix the error. 58 + 29 = ___
  2. A student says 42 + 22 = 74. Find and fix the error. 42 + 22 = ___
  3. Find 38 + 8. 38 + 8 = ___
  4. Find 30 + 22. 30 + 22 = ___
  5. A student says 50 + 8 = 68. Find and fix the error. 50 + 8 = ___
  6. A student says 66 + 15 = 91. Find and fix the error. 66 + 15 = ___

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

Common Core connections

Source labels: 2.NBT.B.5. Review the learning goals below to check the fit for your class.

  • 2.NBT.B.5 — Fluently add and subtract within 100

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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