Adding Integers
12th Grade · Math · 45 min
Lesson Preview
Learning Objective
I can apply the rules of addition to solve problems involving integers.
- 1
When adding integers with different signs, find the absolute value of each integer, subtract the lesser from the greater, and use the sign of the greater absolute value in the answer.
- 2
Adding a negative integer is the same as subtracting a positive integer, so 12 + (-7) can be thought of as 12 minus 7.
- 3
When adding two negative integers, add their absolute values and the answer will be negative.
