Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 400 + 60 + 9 = _____
- 3000 + 800 + 80 = _____
- 1000 + 500 + 2 = _____
- 2000 + 500 + 30 = _____
(a)
400 + 60 + 9 = 469
(b)
3000 + 800 + 80 = 3880
(c)
1000 + 500 + 2 = 1502
(d)
2000 + 500 + 30 = 2530
Answer(s): 469, 3880, 1502, 2530