Question
Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
  1. 20 - 5 = _____
  2. 500 - 75 = _____
  3. 60 - 50 = _____
  4. 300 - 30 = _____
1 m

Click button first when a symbol is required. X

Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
  1. 20 - 5 = _____
  2. 500 - 75 = _____
  3. 60 - 50 = _____
  4. 300 - 30 = _____