Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 822 + 3 = ______
- 21 + 34 = _____
- 230 + 129 = _____
- 1470 + 919 = _____
(a)
822 + 3 = 825
(b)
21 + 34 = 55
(c)
230 + 129 = 359
(d)
1470 + 919 = 2389
Answer(s): 825, 55, 359, 2389