Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 800 + 70 + 9 = _____
- 7000 + 400 + 10 = _____
- 2000 + 600 + 5 = _____
- 2000 + 100 + 30 = _____
(a)
800 + 70 + 9 = 879
(b)
7000 + 400 + 10 = 7410
(c)
2000 + 600 + 5 = 2605
(d)
2000 + 100 + 30 = 2130
Answer(s): 879, 7410, 2605, 2130