Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 120 + 9 = ______
- 28 + 31 = _____
- 133 + 222 = _____
- 2273 + 610 = _____
(a)
120 + 9 = 129
(b)
28 + 31 = 59
(c)
133 + 222 = 355
(d)
2273 + 610 = 2883
Answer(s): 129, 59, 355, 2883