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Wikijunior:Introduction to Mathematics/Negative Numbers

< Wikijunior:Introduction to Mathematics

Contents

LessonEdit

Adding and SubtractingEdit

  ~ a positive number

  ~ a negative number

 
Adding Rules
Subtracting Rules
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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 DividingEdit

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 QuestionsEdit