Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 125 + 3 = ______
- 21 + 31 = _____
- 131 + 222 = _____
- 2377 + 710 = _____
(a)
125 + 3 = 128
(b)
21 + 31 = 52
(c)
131 + 222 = 353
(d)
2377 + 710 = 3087
Answer(s): 128, 52, 353, 3087