Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 800 + 60 + 4 = _____
- 7000 + 500 + 50 = _____
- 1000 + 100 + 8 = _____
- 4000 + 400 + 50 = _____
(a)
800 + 60 + 4 = 864
(b)
7000 + 500 + 50 = 7550
(c)
1000 + 100 + 8 = 1108
(d)
4000 + 400 + 50 = 4450
Answer(s): 864, 7550, 1108, 4450