Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 426 + 3 = ______
- 21 + 35 = _____
- 237 + 120 = _____
- 3871 + 313 = _____
(a)
426 + 3 = 429
(b)
21 + 35 = 56
(c)
237 + 120 = 357
(d)
3871 + 313 = 4184
Answer(s): 429, 56, 357, 4184