Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 122 + 6 = ______
- 22 + 30 = _____
- 432 + 420 = _____
- 3172 + 215 = _____
(a)
122 + 6 = 128
(b)
22 + 30 = 52
(c)
432 + 420 = 852
(d)
3172 + 215 = 3387
Answer(s): 128, 52, 852, 3387