Understanding the Number Line – Part 2

# Understanding the Number Line – Part 2

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• Opposite Integers
• More and Less on the Number Line
• Summary
• What’s Next?

In the previous segment, we learnt some important concepts regarding integers on the number line. In this segment, we will learn about Opposite integers.

## What are Opposite integers?

• Every positive integer has a corresponding negative integer which is the opposite of that integer.

For example, the corresponding negative integer for 2 is -2. Thus, -2 is the opposite of 2.

• Similarly, every negative integer also has a corresponding positive integer which is the opposite of that integer.

For example, +2 is the opposite of -2.

-6 -5 -4

-3 -2 -1

0 1 2 3 4 5 6

Opposite integers

## More and less on the number line

On the number line, as we move towards the right, the numbers increase in value and as we move towards the left, they decrease in value.

Consider the following mathematical statements:

(i) 3 more than 1

‘More’ means ‘greater’, and on the number line, the value increases towards the right. So

starting at 1, move 3 steps to its right. This will give 4. Hence, 3 more than 1 is 4.

## Related content

 Integers Representation of Integers on a Number Line Understanding the Number Line – Part 1 Natural and Whole Numbers – Review Absolute Value Understanding the Concept of Absolute Value Successor and Predecessor of an Integer Ordering of Integers Signs of Integers Addition of Integers – Part 1

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