Subtracting Integers (I)
Objective: I know how to subtract integers
To subtract integers, rewrite as adding opposites and use the rules for addition of integers.
Recall that rules for addition of integers is:
Rule 1: The sum of two or more positive integers is a positive integer. Rule 2: To find the sum of a positive and a negative integer:
Example: 9 -14 = 9 + (-14) = -5 -12 - 6 = -12 + (-6) = -18 -10 - (-7) = -10 + (- - 7) = -10 + 7 = -3
Refer to the lesson on subtracting integers for more information and examples.
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