Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 822 + 1 = ______
- 20 + 39 = _____
- 534 + 422 = _____
- 3370 + 812 = _____
(a)
822 + 1 = 823
(b)
20 + 39 = 59
(c)
534 + 422 = 956
(d)
3370 + 812 = 4182
Answer(s): 823, 59, 956, 4182