Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 822 + 4 = ______
- 20 + 31 = _____
- 530 + 328 = _____
- 2170 + 316 = _____
(a)
822 + 4 = 826
(b)
20 + 31 = 51
(c)
530 + 328 = 858
(d)
2170 + 316 = 2486
Answer(s): 826, 51, 858, 2486