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

  1. 600 + 60 + _____ = 664
  2. 4000 + _____ + 80 = 4780
  3. _____ + 50 + 8 = 4058
  4. 40000 + _____ + 9 = 48509
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Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

  1. 600 + 60 + _____ = 664
  2. 4000 + _____ + 80 = 4780
  3. _____ + 50 + 8 = 4058
  4. 40000 + _____ + 9 = 48509