Definition: The absolute value of a number is the distance between that number and 0.

Rule: To show that we want the absolute value of a number, we put straight lines around it.

Interactivity: Absolute Value Directions for Interactivity

Click and drag the big blue point. The absolute value of the number is the length of the purple line segment.

Examples

The distance between two points is always a positive value.

This means, the absolute value of a number is always positive. (Exception:|0|=0)

In the image above, there is a number line and 4 points ЅWYZ.
In the image below is shown the way to calculate the absolute value.

Let's look at the points to the right of 0.

The point Z represents the number 26. The distance between Z and 0 is 26 (see below)
So the absolute value of 26 is 26. We write this sentence: |26=|26

Look at the point Y. Do you see that |19| =19 ?

Now, let's look at the points to the left of 0.

The point W represents the number -7, but the distance between W and 0 is 7.
So the absolute value of –7 is 7 or |-7| =7 .

Look at the point Ѕ. Do you see that |-25| =25 ?

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Absolute Value

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InterActivity-Absolute Value for Whole Numbers between -10 and 10

Home > Do Mathematics -> K-7 Measurement and Geometry ->

Absolute Valuedistancebetween that number and 0.straight linesaround it.Interactivity: Absolute Value Directions for Interactivity

Click and drag the big blue point. The absolute value of the number is the

lengthof the purple line segment.ExamplesIn the image above, there is a number line and 4 points Ѕ W Y Z.

In the image below is shown the way to calculate the absolute value.

Let's look at the points to the

rightof 0.So the absolute value of 26 is 26. We write this sentence: |26=|26

Now, let's look at the points to the

leftof 0.So the absolute value of –7 is 7 or |-7| =7 .

Metadata(includes links to downloads for offline)Home > Do Mathematics -> K-7 Measurement and Geometry ->

Absolute Value