Term A · Chapter 5 · Lesson 4
Multiplication with Regrouping Ones
Regroup ones into tens in a written multiplication algorithm.
MATH-3A-C05-L0435–45 minutes · flexible
Today's challenge
Calculate 47 × 2 and show the exchanges. Try your own method, then compare it with a model.
What you'll learn
- Regroup ones into tens in a written multiplication algorithm.
- 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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