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3-Digit Subtraction: Mastering the Art of Regrouping

Megan Cagle

Created on May 15, 2026

An interactive 10-question quiz for 3rd graders. Students explore regrouping across tens and hundreds, subtraction with zeros, and error analysis. This intermediate challenge uses varied activities to build confidence and mastery in triple-digit math operations.

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Transcript

Regrouping Challenge!

Solve subtraction equations like a math pro! Master regrouping across ones and tens.

The Golden Rule: How to Regroup!

When the bottom number is bigger than the top number, we need help! The golden rule is to borrow 10 from your neighbor to the left. If you borrow 1 ten, you get 10 ones. If you borrow 1 hundred, you get 10 tens. Once you've regrouped, you have enough to subtract and continue your Math Quest!

Subtraction Superstar!

You've mastered regrouping across tens and hundreds! Keep practicing your subtraction skills every day!