Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 125 + 2 = ______
- 21 + 31 = _____
- 233 + 320 = _____
- 4078 + 310 = _____
(a)
125 + 2 = 127
(b)
21 + 31 = 52
(c)
233 + 320 = 553
(d)
4078 + 310 = 4388
Answer(s): 127, 52, 553, 4388