Friday, March 4, 2011

We need a rule for subtracting integers in order to solve this problem.



Rule: To subtract an integer, add its opposite.

Example 1: +5 - +2

Step 1: The opposite of +2 is -2.

Step 2: Subtraction becomes addition.

Solution: +5 - +2 = +5 + -2 = +3

Check out the videos below. They may be helpful.






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