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Chapter 3.5
Mastering Integer Operations: From Basics to Real-World Applications
Unlock the power of integer operations! Learn to add, subtract, and solve problems with multiple integers. Discover practical applications in finance, science, and everyday life.
What You'll Learn
Apply integer addition and subtraction to solve real-world word problems
Interpret negative integers as decreases and positive integers as increases
Calculate differences using subtraction of negative numbers
Solve multi-step problems involving both addition and subtraction operations
Verify solutions by checking borrowed digits and regrouping steps
What You'll Practice
1
Solving temperature and altitude problems with negative integers
2
Calculating inventory changes with multiple additions and subtractions
3
Finding differences between two negative values on a number line
4
Working through multi-step word problems involving money, time, and quantities
Why This Matters
You use integer operations every day when managing money, tracking temperature changes, calculating time, and measuring elevations. Mastering these skills helps you solve practical problems in science, finance, and everyday decision-making with confidence.
Before You Start — Make Sure You Can:
This Unit Includes
7 Video lessons
Practice exercises
Learning resources
Skills
Integer Operations
Word Problems
Addition
Subtraction
Negative Numbers
Real-World Applications
Multi-Step Problems
