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

  1. 900 + 70 + _____ = 971
  2. 8000 + _____ + 80 = 8580
  3. _____ + 80 + 5 = 8085
  4. 90000 + _____ + 7 = 91407
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Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

  1. 900 + 70 + _____ = 971
  2. 8000 + _____ + 80 = 8580
  3. _____ + 80 + 5 = 8085
  4. 90000 + _____ + 7 = 91407