Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 420 + 7 = ______
- 22 + 32 = _____
- 230 + 227 = _____
- 1375 + 910 = _____
(a)
420 + 7 = 427
(b)
22 + 32 = 54
(c)
230 + 227 = 457
(d)
1375 + 910 = 2285
Answer(s): 427, 54, 457, 2285