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Course: 5th grade?>?Unit 5
Lesson 2: Multi-digit multiplication- Relate multiplication with area models to the standard algorithm
- Intro to standard way of multiplying multi-digit numbers
- Understanding the standard algorithm for multiplication
- Multiply by 1-digit numbers with standard algorithm
- Multiplying multi-digit numbers: 6,742x23
- Multi-digit multiplication
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Multiply by 1-digit numbers with standard algorithm
Problem
Don starts to use the standard algorithm to solve . His work is shown below.
What number should Don replace with?