Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 720 + 8 = ______
- 24 + 30 = _____
- 234 + 225 = _____
- 2173 + 812 = _____
(a)
720 + 8 = 728
(b)
24 + 30 = 54
(c)
234 + 225 = 459
(d)
2173 + 812 = 2985
Answer(s): 728, 54, 459, 2985