Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 900 + 20 + 9 = _____
- 5000 + 100 + 80 = _____
- 9000 + 100 + 6 = _____
- 4000 + 800 + 10 = _____
(a)
900 + 20 + 9 = 929
(b)
5000 + 100 + 80 = 5180
(c)
9000 + 100 + 6 = 9106
(d)
4000 + 800 + 10 = 4810
Answer(s): 929, 5180, 9106, 4810