Absolute Value | MathHelp.com - By MathHelp.com
Transcript
| 00:0-1 | to represent the absolute value of a number , we | |
| 00:03 | use a vertical bar on either side of the number | |
| 00:08 | . So here we have the absolute value of four | |
| 00:12 | and the absolute value of negative for Absolute value means | |
| 00:18 | distance from zero on a number line . So for | |
| 00:23 | the absolute value of four We know that four is | |
| 00:28 | four units from zero on a number line , So | |
| 00:33 | the absolute value of four is four . For the | |
| 00:40 | absolute value of -4 we know that negative for is | |
| 00:44 | also four units from zero on the number line , | |
| 00:51 | So the absolute value of -4 is also four . | |
| 00:58 | Another way of thinking about absolute value is that no | |
| 01:01 | matter what number you have inside the absolute value , | |
| 01:04 | the result will always be positive . In other words | |
| 01:09 | , the absolute value of any number is the positive | |
| 01:13 | version of that number . |
Summarizer
DESCRIPTION:
This lesson covers histograms. Students learn that a histogram is a type of bar graph that shows the frequency of data in various intervals (such as the number of residents in a given neighborhood that are age 21-30, age 31-40, and so on). Note that the difference between a histogram and a bar graph is that in a histogram, the data is organized into intervals. Students are then asked to create histograms using given data, and answer questions based on given histograms.
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