Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 320 + 8 = ______
- 26 + 31 = _____
- 432 + 126 = _____
- 1571 + 310 = _____
(a)
320 + 8 = 328
(b)
26 + 31 = 57
(c)
432 + 126 = 558
(d)
1571 + 310 = 1881
Answer(s): 328, 57, 558, 1881