Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 100 + 80 + 8 = _____
- 8000 + 400 + 20 = _____
- 1000 + 500 + 5 = _____
- 2000 + 700 + 50 = _____
(a)
100 + 80 + 8 = 188
(b)
8000 + 400 + 20 = 8420
(c)
1000 + 500 + 5 = 1505
(d)
2000 + 700 + 50 = 2750
Answer(s): 188, 8420, 1505, 2750