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Addition and Subtraction within 100,000

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  • Calculate and say.                                                                    3 278 - 2 873 = ...
    3  278  minus  2 873 equals  405
  • Calculate and say: 2 520 + 5 945 = ...
    2 520 plus 5 945 equals 8 465
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    Equals
  • What operation is it? 9 099 - 1 717 = 7 382
    It's a subtraction
  • Minus
  • What operation is it? 200 + 1 604 = 1 804
    It's an addition
  • Plus