Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 600 + 30 + 1 = _____
- 9000 + 600 + 90 = _____
- 6000 + 900 + 8 = _____
- 1000 + 100 + 80 = _____
(a)
600 + 30 + 1 = 631
(b)
9000 + 600 + 90 = 9690
(c)
6000 + 900 + 8 = 6908
(d)
1000 + 100 + 80 = 1180
Answer(s): 631, 9690, 6908, 1180