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Basic Algebra/Introduction to Basic Algebra Ideas/Working With Negative Numbers

VocabularyEdit

Positive
Negative

LessonEdit

Negative NumbersEdit

A positive number is a number greater than zero.

A negative number is a number less than zero. You make a negative number by doing the negative operation on a positive number. You use the " – " sign for the negative operation. This sign is the same you use for subtracting.

Adding and SubtractingEdit

Adding a negative number is the same as subtracting a positive number.

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Subtracting a negative number is the same as adding a positive number.

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Multiplying and DividingEdit

Multiplying a negative number by a positive number, or a positive number by a negative number makes the result negative.

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Multiplying a negative number by a negative number makes the result positive.

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You do the same for dividing.

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ExponentiatingEdit

Exponentiating a negative number to an even (a number you can divide by two) power makes the result positive.

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Exponentiating a negative number to an odd (a number you can not divide by two) power makes the result negative.

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Order of OperationsEdit

The negative operation has the same precedence as multiplying and dividing.

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Example ProblemsEdit

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Practice GamesEdit

Practice ProblemsEdit

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Working With Negative Numbers
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