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Math 8th

Integer Math Rules

QuestionAnswer
Multiplication: Negative X Negative= Positive
Multiplication: Positive X Positive= Positive
Multiplication: Negative X Positive= Positive
Multiplication: Positive X Negative= Negative
Division: Negative/Negative= positive
Division: Positive/Positive= positive
Division: Negative/Positive= negative
Division: Positive/Negative= negative
Addition: positive + positive Add and keep sign
Addition: negative + negative Add and keep sign
Addition: negative + positive Subtract and keep sign of bigger number
Addition: positive + negative Subtract and keep sign of bigger number
Subtraction: negative - negative Add and keep sign
Subtraction: positive - positive Subtract and keep sign of larger number
Subtraction: Negative - Positive Add the opposite and follow addition rules
Subtraction: Positive - Negative Add the opposite and follow addition rules
When you go left on the number line, are you adding or subtracting? Adding
When you go right on the number line, are you adding or subtracting? Subtracting
Created by: chefgrace03