Chapter 3.2
Adding Integers: Mastering the Fundamentals with Examples
Discover effective strategies for adding integers, from basic rules to advanced techniques. Enhance your problem-solving skills with our comprehensive lessons and practice examples.
What You'll Learn
Represent integer addition using arrows and movements on a number line
Apply rules for adding positive and negative integers with same and opposite signs
Use the vertical addition method to combine integers efficiently
Determine the sign of the result based on magnitude when adding unlike signs
Solve real-world problems involving temperature changes and depth using integer addition
What You'll Practice
1
Writing addition statements from number line diagrams with directional arrows
2
Adding integers vertically with one-digit and two-digit numbers
3
Combining integers with same signs and opposite signs
4
Solving word problems about temperature, diving depth, and elevation changes
Why This Matters
Mastering integer addition prepares you for algebra, solving equations, and understanding coordinate systems. You'll use these skills daily when calculating temperature changes, account balances, elevation differences, and in any situation involving gains and losses.
Before You Start — Make Sure You Can:
This Unit Includes
22 Video lessons
Practice exercises
Learning resources
Skills
Integer Addition
Number Lines
Positive and Negative Numbers
Vertical Addition
Magnitude
Word Problems
Temperature
