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Chapter 2.6
Adding Decimals: From Base Ten Models to Mastery
Unlock the power of visual learning with base ten models for adding decimals. Gain confidence in decimal operations, avoid common pitfalls, and apply your skills to real-world scenarios. Start your journey to decimal mastery today!
What You'll Learn
Represent decimals using base ten block models for ones, tenths, and hundredths
Add decimals by lining up decimal points and adding corresponding place values
Regroup decimal place values when sums exceed nine in any column
Apply addition strategies from whole numbers to decimal operations
Round decimal sums to the nearest tenth using place value understanding
What You'll Practice
1
Adding decimals using base ten block models with regrouping
2
Lining up decimal points on grids and computing sums
3
Adding decimals with different numbers of decimal places
4
Evaluating decimal addition and rounding answers to the nearest tenth
Why This Matters
Adding decimals is essential for working with money, measurements, and data in everyday life. Mastering decimal addition builds your foundation for algebra, statistics, and real-world problem-solving in science, finance, and engineering careers.
This Unit Includes
15 Video lessons
Practice exercises
Learning resources
Skills
Decimal Addition
Place Value
Regrouping
Base Ten Models
Rounding
Alignment
