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1 Addition of Integers Rules Same Sign Add Keep the Sign Different Signs Subtract Take the sign of the integer with the larger absolute value plus plus plus Sign of the integer? with the larger absolute value. plus? Sign of the integer with the larger absolute value.
2 Subtraction of Integers Rules Don t subtract! Add a line and then change the sign. Use the addition rules. Add a line  change the subtraction to addition. Change the sign  after changing to addition, change the sign of the second integer. minus minus addition. addition. negative. positive.? Sign of the integer with the larger absolute value.? Sign of the integer with the larger absolute value. minus addition. positive. minus addition. negative.
3 Multiplication of Integers Rules Same Sign Multiply The answer will be positive Different Signs Multiply The answer will be negative times times times times
4 Division of Integers Rules Same Sign Divide The answer will be positive Different Signs Divide The answer will be negative Divided by a Divided by a Divided by a Divided by a
5 Addition/Subtraction of Integers Rules Same Sign Add Keep the Sign Different Signs Subtract Take the sign of the integer with the larger absolute value plus plus plus? plus? Sign of the integer with the larger absolute value. Sign of the integer with the larger absolute value. Don t subtract! Add a line, then change the sign and use the addition rules. minus addition minus? minus? addition addition Sign of the integer with the larger absolute value. Sign of the integer with the larger absolute value. positive minus addition negative positive negative
6 Multiplication/Division of Integers Rules Same Sign Multiply The answer will be positive Different Signs Multiply The answer will be negative Same Sign Divide The answer will be positive Different Signs Divide The answer will be negative times divided by times divided by times divided by times divided by
7 Addition Integer Rules
8 Subtraction Integer Rules
9 Multiplication Integer Rules
10 Division Integer Rules
11 Same Sign  Add  Keep the sign Different Signs  Subtract  Take the sign of the integer with the larger absolute value
12  Don t subtract  Change the subtraction sign to addition  Change the sign of the second integer  Follow the addition of integer rules
13 Same Sign  Multiply  The answer will be positive Different Signs  Multiply  The answer will be negative
14 Same Sign  Divide  The answer will be positive Different Signs  Divide  The answer will be negative
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