Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 900 + 40 + 7 = _____
- 1000 + 800 + 60 = _____
- 8000 + 400 + 1 = _____
- 5000 + 400 + 90 = _____
(a)
900 + 40 + 7 = 947
(b)
1000 + 800 + 60 = 1860
(c)
8000 + 400 + 1 = 8401
(d)
5000 + 400 + 90 = 5490
Answer(s): 947, 1860, 8401, 5490