## Reflection: Developing a Conceptual Understanding Introduction to Area Models - Section 3: Assignment: Practice in class

Results: In this group, it was consistent. They have mastered the concept and process. Now I need to get them to discuss it. Several students still don't understand the function of place value yet when it came to dealing with a zero. Zeros seem to be a difficult situation and so I will now focus on working with them to get them to understand that the zero has value as a place holder and keeps us understanding that each place value is 10 times the next to help reinforce the standard.

Samples of Work
Developing a Conceptual Understanding: Samples of Work

# Introduction to Area Models

Unit 13: Multiplication Unit
Lesson 2 of 19

## Big Idea: Using an area model, students learn to separate two digit numbers into expanded form and then multiply using a partial product first, and then add to get the final product.

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Standards:
Subject(s):
Math, Number Sense and Operations, multiplication, area model
40 minutes

### Mary Ellen Kanthack

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