Reflection: Joy Introduction to Area Models - Section 2: Understanding Area Models


Teaching area model...

My kids really had a good time and wanted to do more problems using an area model. I think this is because it is successful! It is fun to draw the boxes and it is fun to see it come apart and go back together. They have a sense of security in accuracy, as long as they know their basic facts. Students who are weak in basic facts really struggle. I do let them use a multiplication grid if needed. We just have to keep drilling.

Parents will probably fuss about not doing it the "way they learned." I did include an explanation of why it needed to be mastered on their homework site. I have realized that I can't give in to letting them go on to a standard algorithm until they can tell me exactly what multiplication is about using place value understanding as the standard requires.

  Joy: Our transition value in the forefront...not a standard algorithm.
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Introduction to Area Models

Unit 13: Multiplication Unit
Lesson 2 of 19

Objective: SWBAT use an area model to solve a simple two digit by one digit multiplication problem.

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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Math, Number Sense and Operations, multiplication, area model
  40 minutes
pointing out place
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