Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1355 + 5101 = _____
- 3150 + 3440 = _____
- 22400 + 31200 = _____
- 21000 + 10000 = _____
(a)
1355 + 5101 = 6456
(b)
3150 + 3440 = 6590
(c)
22400 + 31200 = 53600
(d)
21000 + 10000 = 31000
Answer(s): 6456, 6590, 53600, 31000