Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5121 + 5512 = _____
- 2120 + 5440 = _____
- 35200 + 25200 = _____
- 42000 + 42000 = _____
(a)
5121 + 5512 = 10633
(b)
2120 + 5440 = 7560
(c)
35200 + 25200 = 60400
(d)
42000 + 42000 = 84000
Answer(s): 10633, 7560, 60400, 84000