Adding and Subtracting Integers
9th Grade · Math · 45 min
Lesson Preview
Learning Objective
I can perform operations with integers and explain the rules for positive and negative signs.
- 1
When adding integers with different signs, take the greater absolute value and subtract the lesser; the answer takes the sign of the greater absolute value.
- 2
When subtracting integers, you must add the opposite of the second number to the first number.
- 3
Adding a negative number decreases the value, while subtracting a negative number increases the value.
