Reflection: Connection to Prior Knowledge Dividing by 10s, Power of 10s (Day 1) - Section 4: The Elevator Speech


This connects great to multiplication with powers of 10 and my students did pretty well. It is important to not just teach 'take off the zeros' but teach why it works. It is really important to stress understanding of Place Value.

Every year my students struggle with division because they have already decided that they can't do it but working up to it in small steps helps them understand division. I always to get to point about three lessons away from this one where students all of a sudden yell 'OH I get it!'

Also, getting to connect that multiplication and divsion are basically the same thing that one goes one way and the other goes the other way if a good way to get them to look at division. Also, I tell them if they can do single digit multiplication they can do division

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Dividing by 10s, Power of 10s (Day 1)

Unit 4: Multi-Digit Multiplication and Division, Powers of 10s
Lesson 9 of 19

Objective: Students Will Be Able To the Bar Model to be able to explain division in terms of a model. Students will be able to model division of two digit by one digit.

Big Idea: Modeling Division

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