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Chapter 4.1
Adding with Regrouping: Mastering Math with Base 10 Blocks
Discover how base 10 blocks make adding with regrouping easy and fun. Visualize place value, practice hands-on math, and build a strong foundation for advanced concepts. Start your journey to math mastery today!
What You'll Learn
Represent numbers using base 10 blocks (ones, tens, hundreds, thousands)
Regroup smaller units into larger units (10 ones = 1 ten, 10 tens = 1 hundred)
Apply regrouping to prepare for addition and subtraction with carrying
Write numbers in expanded form using numerals and words
What You'll Practice
1
Showing two-digit and three-digit numbers with base 10 blocks
2
Regrouping ones as tens, tens as hundreds, and hundreds as thousands
3
Converting blocks back into standard number form
4
Writing numbers in expanded form (e.g., 346 = 300 + 40 + 6)
Why This Matters
Regrouping with base 10 blocks builds the foundation for addition and subtraction with carrying and borrowing. This visual approach helps you understand place value deeply, making multi-digit arithmetic much easier and preparing you for more complex math ahead.
This Unit Includes
16 Video lessons
Practice exercises
Learning resources
Skills
Place Value
Regrouping
Base 10 Blocks
Expanded Form
Addition Preparation
Visual Models
