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mathsWhole NumbersComparing Whole Numbers

Predecessor and Successor (Whole Numbers)

It was earlier studied that the numbers are in an ordered sequence. In this page, the predecessor and successor of a number is explained.



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Whole numbers are ordered in a specific sequence. This is represented by the number line.number linePredecessor is the number prior to a number in the order.

Successor is the number that follows a number in the order.

The predecessor of `3` is `2`.
The successor of `3` is `4`.

What does the word 'predecessor' mean?

  • something that has desired state
  • something that is comes before or prior in the order
  • something that is comes before or prior in the order

The answer is 'something that comes before or prior in the order'. "pre" means "beforehand" and "decessor" is derived from a word meaning "that departed".

The numbers are ordered `1,2,3,4, cdots`.

Predecessor of a given number is the number that comes before or prior to the given number.number line The predecessor of `3` is `2`.
The predecessor of `4` is `3`.

What does the word 'successor' mean?

  • one who is successful
  • something that comes after or follows in the order
  • something that comes after or follows in the order

The answer is 'something that comes after or follows in the order'.

The numbers are ordered `1,2,3,4, cdots`.

Successor to a given number is the number that follows the given number. number line The successor of `3` is `4`.
The successor of `4` is `5`.

Predecessor: The number that comes before a given number is the predecessor of the given number. The predecessor is one less than the given number.

Successor: The number that comes after a given number is the successor of the given number. The successor is one greater than the given number.

Solved Exercise Problem:

What is the successor of `9`?

  • number-line ends at `9`
  • `10`
  • `10`

The answer is '`10`'. The number-line continues after `9` with `10, 11, 12, cdots`.

Solved Exercise Problem:

What is the predecessor of `13`?

  • `12`
  • `12`
  • `9`

The answer is '`12`'.

Solved Exercise Problem:

What is the predecessor of `233`?

  • `233`
  • `232`
  • `232`
  • `234`

The answer is '`232`'.

Solved Exercise Problem:

What is the successor of `233`?

  • `233`
  • `232`
  • `234`
  • `234`

The answer is '`234`'

What is the term to refer to the number that comes before (in the number order) to a given number?

  • Pronunciation : Say the answer once
    Spelling: Write the answer once

The answer is 'predecessor'.

What is the term to refer to the number that comes after or follows (in the number order) to a given number?

  • Pronunciation : Say the answer once
    Spelling: Write the answer once

The answer is 'successor'.

Solved Exercise Problem:

What is the predecessor of `1`?

  • `0`
  • `0`
  • `1`
  • Predecessor does not exist for `1`

The answer is '`0`'.

                            
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