Find the predecessor and successor of the following numbers using a number line .
(a) | 5 | (b) | 0 | (c) | –7 |
predecessor of 5 = 5 - 1 = 4
successor of 5 = 5 + 1 = 6
predecessor of 0 = 0 + 1 = 1
successor of 0 = 0 - 1 = -1
predecessor of -7 = -7 + 1 = -6
successor of -7 = -7 - 1 = -8
- -4