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Learn how to use negative numbers, especially as they pertain to variables. They are taught using the idea of opposites on a number line. Also, learn about absolute values of numbers.
- Negative Numbers Notes - Notes on the presentation of Negative Numbers.
- What are opposites?
- What does -x mean?
- What is absolute value?
- What does absolute value mean?
Having trouble understanding what -x means? Watch this video that helps the beginning Algebra student (or possibly pre-Algebra) understand the meaning of the - sign. Also, learn about absolute values of numbers.