Add and subtract within 1,000 and explain place-value strategies. — Guided Practice — page 1
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Add and subtract within 1,000 and explain place-value strategies. — Guided Practice — page 2
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Worksheet directions

Grade 2 • Guided Practice • Work with your teacher or a partner. Discuss the model or strategy, then complete each problem.

Sample questions

  1. Round 842 and 443 to the nearest hundred. Then estimate 842 + 443.
  2. A library has 386 books and gets 207 more. Estimate to the nearest hundred, then find the exact total. Estimate: ___ Exact total: ___
  3. ___ + 268 = 705. Use the inverse operation to check. Missing number: ___
  4. A student says 492 - 198 = 294. Is the answer reasonable? Explain.
  5. Estimate 298 + 203. ___
  6. Round 512 and 233 to the nearest hundred. Then estimate 512 + 233.

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

Common Core connections

Source labels: 2.NBT.B.7, 2.NBT.B.9. Review the learning goals below to check the fit for your class.

  • 2.NBT.B.7 — Add and subtract within 1000
  • 2.NBT.B.9 — Explain addition and subtraction strategies

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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