Estimation Practice: Addition and Subtraction
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Questions and Answers

Estimate each of the following using general rules: 12904+2822

  • 1500
  • 1800
  • 1600 (correct)
  • 1700
  • Estimate each of the following using general rules 28,296 – 21, 496

  • 5,000
  • 3,000
  • 4,000
  • 7,000 (correct)
  • Give a rough estimate (by rounding off to the nearest hundreds) and also a closer estimate (by rounding off to the nearest tens) 439 + 334 + 4,317

  • 5000 (correct)
  • 4500
  • 4000
  • 3500
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