Reflection: Connection to Prior Knowledge An Intro to the Box Method: A Conceptual Approach to 2 digit by 1 digit division - Section 5: Closure: What do you think?


So many good things were going on in my class today! Learning cooperatively, excitement, joy, accomplishment and connections were some of the best things I saw. I was so surprised by this. As we have transitioned, I have gotten criticism for not teaching it the "right way" by parents. But, I don't think I am going to hear that this year. I understand completely why the conceptual base needs to be there. It wastes too much time and makes gaps for students later on if we don't address place value understanding, vocabulary, process using those things, and understanding that division is more than just a way of doing a math problem.

It is my hope as I share this lesson with other teachers that they clearly see the value of this process and that we need to adhere to the standard to advance students effectively.

  Sticking to Understanding and Not Process.
  Connection to Prior Knowledge: Sticking to Understanding and Not Process.
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An Intro to the Box Method: A Conceptual Approach to 2 digit by 1 digit division

Unit 9: Division Unit
Lesson 3 of 21

Objective: SWBAT divide 2 digit by 1 digit algorithms and learn to use the inverse to correct their work.

Big Idea: This lesson introduces a method of division that supports a conceptual approach by dividing up two digit numbers by one digit. This lesson is intended to be the entry level and contains modifications for both lower and higher level students.

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Math, division, area model, Rectangular sections, number and
  60 minutes
frayer model
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