Adding and Subtracting Integers
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Objective
The student can add and subtract integers.
Part 1 of 3
Key concepts
3 concepts
- 1
Integers are comprised of positive whole numbers, negative whole numbers, and zero, forming a foundational set in the real number system.
- 2
When adding integers with the same sign, their absolute values are summed and the common sign is retained.
- 3
Subtracting integers is formally defined as adding the opposite, transforming a − b into a + (−b).
Part 2 of 3
Practice
6 questions
What is the sum of -12 and -8?
Calculate the result of 15 + (-23).
Part 3 of 3
Exit ticket
Quick comprehension check
“Calculate the value of -15 + 8 - (-6). Show your work.”
Sample answer included in the free materials
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Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
Complete lesson plan with answer keys and alternate activities
Student Handout
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