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

  1. 500 + 80 + _____ = 581
  2. 3000 + _____ + 20 = 3620
  3. _____ + 60 + 8 = 7068
  4. 20000 + _____ + 8 = 26408
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Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

  1. 500 + 80 + _____ = 581
  2. 3000 + _____ + 20 = 3620
  3. _____ + 60 + 8 = 7068
  4. 20000 + _____ + 8 = 26408