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

  1. 900 + 20 + _____ = 923
  2. 1000 + _____ + 70 = 1870
  3. _____ + 70 + 8 = 6078
  4. 60000 + _____ + 7 = 62407
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Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

  1. 900 + 20 + _____ = 923
  2. 1000 + _____ + 70 = 1870
  3. _____ + 70 + 8 = 6078
  4. 60000 + _____ + 7 = 62407