Successor and Predecessor of an Integer

Table of Contents

• Successor of an Integer
• Predecessor of an Integer
• Examples
• Summary
• What’s Next?

In the previous segment, we saw a real-life application of Absolute value of numbers.

In this segment, we will learn about the concept of Successor and Predecessor of integers.

What is Successor of an integer?

The number that lies one step or one unit to the right of an integer on the number line, is the Successor of that integer.

What is Predecessor of an integer?

The number that lies one step or one unit to the left of an integer on the number line, is the Predecessor of that integer.

Examples

Q. Find the successor and predecessor of:

(i) 5

1 more than 5 is 6. So 6 is the successor of 5.

1 less than 5 is 4. So 4 is the predecessor of 5.

1 more than 5

-6 -5 -4

-3 -2 –

0 1 2 3 4 5 6

1 less than 5

Successor and predecessor of 5