Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 623 + 5 = ______
- 21 + 32 = _____
- 331 + 221 = _____
- 4175 + 112 = _____
(a)
623 + 5 = 628
(b)
21 + 32 = 53
(c)
331 + 221 = 552
(d)
4175 + 112 = 4287
Answer(s): 628, 53, 552, 4287