In math, one way to subtract integers is to use a number line. However, there are also certain rules that apply when subtracting positive and negative integers. For example, if both
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1. Introduce the idea of opposites when it comes to integers. Each positive integer has a corresponding negative integer. For example, the opposite of positive 3 is negative 3. All
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1 Understand key concepts. What is meant by "piling up" and "canceling down"? Well, visualize positive numbers as black poker chips and negative numbers as red
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if they are two positive numbers, do it normally. If there is a negative and a positive, change it to addition and switch the SECOND integer sign. Only works with two integers in
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