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# Rules For Integer Operations

## on Oct 01, 2008

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## Rules For Integer OperationsPresentation Transcript

• Rules for Integer Operations Bryan McDonald Pangburn School District www.macsclass.edublogs.org [email_address]
• Adding (when signs are the same)
• Keep the sign
• Examples:
• 3 + 4 = 7
• (-9) + (-4) = -13
• Adding (when signs are different)
• Keep the sign of the number that is farthest from 0
• Subtract bigger number from smaller number
• Examples:
• -3 + 5 = 2
• -7 + 4 = -3
• Subtract
• Change the subtraction sign to an addition sign
• Change the sign of the second number