Wikijunior:Introduction to Mathematics/Negative Numbers
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Adding Rules
Lesson
[edit | edit source]Adding and Subtracting
[edit | edit source]![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/51/AdditionRules.svg/225px-AdditionRules.svg.png)
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Adding a negative number is the same as subtracting a positive number.
Subtracting a negative number is the same as adding a positive number.
Multiplying and Dividing
[edit | edit source]Multiplying a negative number by a positive number, or a positive number by a negative number makes the answer negative.
Multiplying a negative number by a negative number makes the answer positive.
Do the same for dividing.
Example Questions
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