Question
Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

  1. 400 + 50 + _____ = 453
  2. 6000 + _____ + 40 = 6740
  3. _____ + 80 + 5 = 6085
  4. 80000 + _____ + 7 = 81907
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Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

  1. 400 + 50 + _____ = 453
  2. 6000 + _____ + 40 = 6740
  3. _____ + 80 + 5 = 6085
  4. 80000 + _____ + 7 = 81907