Adding and Subtracting Integers
9th GradeMath45 min
Learning Objective
I can perform operations with integers and explain the rules for positive and negative signs.
Lesson Flow
Watch Video
Adding and Subtracting Integers: A Step-By-Step Review | How to Add and Subtract Integers
Math with Mr. J
Guided Notes
Key concepts students will learn:
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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.
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When subtracting integers, you must add the opposite of the second number to the first number.
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Adding a negative number decreases the value, while subtracting a negative number increases the value.
Practice
8 questions • Multiple choice & Short answer
Exit Ticket
“Evaluate the following expressions: 1. -15 + 8 2. 7 - (-12) ”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
