Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3422 + 4522 = _____
- 4020 + 1330 = _____
- 52200 + 42100 = _____
- 21000 + 31000 = _____
(a)
3422 + 4522 = 7944
(b)
4020 + 1330 = 5350
(c)
52200 + 42100 = 94300
(d)
21000 + 31000 = 52000
Answer(s): 7944, 5350, 94300, 52000