Question
Find the following values without a calculator.
  1. 44 + 77 = _____
  2. 48 + 19 = _____
  3. 60 + 52 = _____
  4. 67 + 51 = _____
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. 44 + 77 = _____
  2. 48 + 19 = _____
  3. 60 + 52 = _____
  4. 67 + 51 = _____