Definition Of Number Line

A line that represents the set of all real numbers in order is called a number line.

More About Number Line

Usually a number line is marked showing integer values.
The distance between any two consecutive integers on a number line is the same.

Video Examples: Number Line

Examples of Number Line

The figure shown below is a number line.

Solved Example on Number Line

Ques: Identify the number line showing the interval [- 4, 5).

Choices:

A. Graph A
B. Graph B
C. Graph C
D. None of the above
Correct Answer: C

Solution:

Step 1: The number line for the interval [- 4, 5) is shown in Graph C.

Related Worksheet

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