Friday we began discussing one of the most important topics we will learn all year, integer operations. We will learn how to add, subtract, multiply, and divide integers which are the set of whole numbers and their opposites. Friday we learned about addition of integers.
Students need to remember the following process:
- If your signs are alike you add your numbers and keep the sign of the problem.
ex. 5 + 8 = 13 -6 + (-5) = -11
- If your signs are different you subtract your numbers and take the sign of the number with the greatest absolute value (the distance the number is from 0).
ex. -6 + 3 = -3 9 + (-15) = -6
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Here is a .pdf file of my lesson on addition of integers.
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