Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 820 + 5 = ______
- 23 + 30 = _____
- 130 + 427 = _____
- 3179 + 610 = _____
(a)
820 + 5 = 825
(b)
23 + 30 = 53
(c)
130 + 427 = 557
(d)
3179 + 610 = 3789
Answer(s): 825, 53, 557, 3789