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Chapter 2.2
Solving problems with rational numbers in decimal form
What You'll Learn
Visualize operations with rational decimals using number lines
Apply addition and subtraction rules for positive and negative decimals
Multiply and divide rational numbers in decimal form accurately
Recognize patterns when combining like and unlike symbols in operations
Calculate change and average rate of change using decimal operations
What You'll Practice
1
Adding two negative decimal numbers
2
Subtracting positive and negative decimals
3
Multiplying decimals with mixed signs
4
Dividing decimals and converting to fractions
5
Solving real-world temperature change problems
Why This Matters
Mastering operations with rational decimals is essential for handling real-world measurements, money calculations, and temperature changes. These skills form the foundation for algebra, statistics, and science courses where precise decimal computation is required daily.
Before You Start — Make Sure You Can:
This Unit Includes
10 Video lessons
Practice exercises
Skills
Rational Numbers
Decimals
Number Line
Signed Numbers
Multiplication
Division
Word Problems
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