Question
Find the following values without a calculator.

  1. 58 - 5 = _____
  2. 47 - 8 = _____
  3. 67 - 30 = _____
  4. 80 - 29 = _____
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

(d)

Click button first when a symbol is required. X

Find the following values without a calculator.

  1. 58 - 5 = _____
  2. 47 - 8 = _____
  3. 67 - 30 = _____
  4. 80 - 29 = _____