Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 900 + 40 + 7 = _____
- 7000 + 200 + 90 = _____
- 9000 + 900 + 8 = _____
- 9000 + 100 + 60 = _____
(a)
900 + 40 + 7 = 947
(b)
7000 + 200 + 90 = 7290
(c)
9000 + 900 + 8 = 9908
(d)
9000 + 100 + 60 = 9160
Answer(s): 947, 7290, 9908, 9160