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3rd Grade Math
9. 3.NBT.A.2
9.8 Subtraction with Regrouping Up to 1000
Subtraction with Regrouping Up to 1000
What You'll Learn
Recognize when regrouping is needed in subtraction problems up to 1000
Apply regrouping techniques across ones, tens, and hundreds places
Subtract three-digit numbers by borrowing from adjacent place values
Verify subtraction answers using addition or place-value reasoning
What You'll Practice
1
Subtracting three-digit numbers requiring regrouping in one or more places
2
Solving problems where zeros require multiple regrouping steps
3
Filling in missing digits in subtraction equations with regrouping
Why This Matters
Subtraction with regrouping is essential for everyday math like calculating change, measuring distances, and managing budgets. Mastering this skill builds the foundation for multi-digit operations, decimal subtraction, and problem-solving in higher-level math.
This Unit Includes
1 Video lesson
Practice exercises
Skills
Regrouping
Borrowing
Three-Digit Subtraction
Place Value
Mental Math
TN Curriculum Aligned