Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 622 + 6 = ______
- 20 + 36 = _____
- 131 + 221 = _____
- 2771 + 713 = _____
(a)
622 + 6 = 628
(b)
20 + 36 = 56
(c)
131 + 221 = 352
(d)
2771 + 713 = 3484
Answer(s): 628, 56, 352, 3484