Class 6 Maths Whole Numbers | Predecessor and Successor |

__Predecessor and Successor__

**Predecessor**

The number which comes before the given number is known as predecessor.

Since 0 is the first whole number it does not have predecessor which is a whole number.

Number |
Predecessor |

20 |
19 |

1000 |
999 |

1599 |
1598 |

**Successor**

The number which comes after the given number is knows as successor.

Number |
Successor |

0 |
1 |

99 |
100 |

1999 |
2000 |

* Question*: Which of the following statements are true (T) and which are false (F)?

- The successor of a two digit number is always a two digit number.
- 400 is the predecessor of 399.

* Solution*:

- False, The successor of 99 is 100 which is a 3 digit number.
- False, 398 is the predecessor of 399.

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