Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 100 + 90 + 1 = _____
- 1000 + 900 + 90 = _____
- 3000 + 100 + 4 = _____
- 2000 + 800 + 90 = _____
(a)
100 + 90 + 1 = 191
(b)
1000 + 900 + 90 = 1990
(c)
3000 + 100 + 4 = 3104
(d)
2000 + 800 + 90 = 2890
Answer(s): 191, 1990, 3104, 2890