## Key Concepts

**Addition of Positive and Negative Integers**

[latex]5+3[/latex] [latex]-5+\left(-3\right)[/latex] Both positive, Sum positive Both negative, Sum negative When the signs are the same, the counters would be all the same color, so add them. [latex]-5+3[/latex] [latex]5+\left(-3\right)[/latex] Different signs, More negatives Different signs, More positives Sum negative Sum positive When the signs are different, some counters would make neutral pairs; subtract to see how many are left.