Question
Find the following values without a calculator.
  1. 48 + 67 = _____
  2. 78 + 83 = _____
  3. 39 + 53 = _____
  4. 30 + 24 = _____
3 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. 48 + 67 = _____
  2. 78 + 83 = _____
  3. 39 + 53 = _____
  4. 30 + 24 = _____