Recalling successor and predecessor — lesson. Mathematics State Board, Class 6.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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A number comes before a number is called a predecessor and a number comes after a number is called a successor.

Rule for getting predecessor and successor:

Add $1$ to a number to get the successor.
Subtract $1$ to a number to get the predecessor.

Example:

1. Consider the number

$16$ .

$15$ comes before

$16$ . So

$15$ is the predecessor of

$16$ .

$17$ comes after

$16$ . So

$17$ is the successor of

$16$ .

Verify: Add

$1$ to

$16$ .

$16+1 =17$ - successor of

$16$ .

Subtract

$1$ to

$16$ .

$16-1=15$ - predecessor of

$16$ .

2. Consider

$99999$ .

$99998$ comes before

$99999$ . So

$99998$ is the predecessor of

$99999$ .

$100000$ comes after

$99999$ . So

$100000$ is the successor of

$99999$ .

3. Predecessor of smallest

$5$ digit number.

The smallest

$6$ digit number is

$10000$ .

Subtract 1 to a number to get the predecessor.

Predecessor of

$10000 = 10000 - 1 = 9999$ .

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2. Recalling successor and predecessor

Theory: