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Add, Subtract, Estimate, Round

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  • Estimate the differences of 832 - 179.
    800 - 200 = 600 / 830 - 180 = 650
  • What is 39 rounded to the nearest ten?
    40
  • What is 214 + 583?
    797
  • Estimate the sum of 149 + 215.
    150 + 200 = 350 / 100 + 200 = 300 / 150 + 220 = 370
  • What is 792 rounded to the nearest ten?
    790
  • How do you break up 415 into hundreds, tens and ones?
    400 + 10 + 5
  • What is 518 rounded to the nearest hundred?
    500
  • What is 74 rounded to the nearest ten?
    70
  • What is 805 - 341?
    464
  • What is 418 rounded to the nearest ten?
    420
  • What is 875 rounded to the nearest hundred?
    900
  • How do you break up 397 into hundreds, tens and ones?
    300 + 90 + 7
  • What is 735 + 198?
    933
  • What is 654 - 123?
    531