Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 600 + 30 + 8 = _____
- 1000 + 600 + 30 = _____
- 2000 + 400 + 8 = _____
- 9000 + 700 + 10 = _____
(a)
600 + 30 + 8 = 638
(b)
1000 + 600 + 30 = 1630
(c)
2000 + 400 + 8 = 2408
(d)
9000 + 700 + 10 = 9710
Answer(s): 638, 1630, 2408, 9710