Rational Number Operations · The Number System
Adding and Subtracting Integers
Using number lines and absolute value to understand the movement of positive and negative values.
Key Questions
- 1How can subtraction be redefined as adding the additive inverse?
- 2Why does the sum of a number and its opposite always equal zero?
- 3In what real world scenarios does a negative result represent a logical outcome?
Common Core State Standards
CCSS.Math.Content.7.NS.A.1CCSS.Math.Content.7.NS.A.1c
Grade: 7th Grade
Subject: Mathematics
Unit: Rational Number Operations
Period: The Number System
Suggested Methodologies
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