Adding Positives Just add like normal and keep

Adding Positives +++ = +- ++- +- Just add like normal and keep the sign. 3+2=5

Adding Negatives - - +- = - - - - Just add like normal and keep the sign. -4 + -2 = -6

Adding Positives and Negatives + + + - - - 5+-3 Continued on the next slide…

Cancel by making “Zero Pairs” + + + - - 5 + -3 = 2

Subtracting Negatives -3 - -4 - - - Start with 3 negatives + Add zero pairs until you have the amount of positives or negatives that you will need to subtract. Continued on next slide…

Subtracting Negatives -3 - -4 - - Subtract 4 negatives + Your Answer will be 1 Shortcut: Once you understand why this works, it’s fastest to change the operation to addition and the sign of the number right after it and then use the rules of addition.

Multiplying Integers 2 x -3 = -6 Groups -- --- Number in each group 2 groups of 3 negatives = -6 General Rule for multiplying Integers: When multiplying the same signs you get a positive answer. When multiplying with different signs you get a negative answer.

Dividing Integers -4 / 2 = -2 - - -4 divided into 2 groups gives us -2 in each group General Rule for dividing Integers: When dividing the same signs you get a positive answer. When dividing with different signs you get a negative answer.