Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 700 + 80 + 1 = _____
- 4000 + 800 + 80 = _____
- 2000 + 800 + 4 = _____
- 7000 + 200 + 40 = _____
(a)
700 + 80 + 1 = 781
(b)
4000 + 800 + 80 = 4880
(c)
2000 + 800 + 4 = 2804
(d)
7000 + 200 + 40 = 7240
Answer(s): 781, 4880, 2804, 7240