Term A · Chapter 3 · Lesson 2
Subtraction with Regrouping — Part 1
Exchange one ten for ten ones or one hundred for ten tens when needed.
MATH-3A-C03-L0235–45 minutes · flexible
Today's challenge
Subtract 2,982 − 428; show any place-value exchange. Try your own method, then compare it with a model.
What you'll learn
- Exchange one ten for ten ones or one hundred for ten tens when needed.
- Explain the connection between a diagram and a number sentence.
- Solve a fresh application without step-by-step hints.
Before this lesson
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