Reflection: Connection to Prior Knowledge Learning About the Orders of Operations - Section 2: Explaining the orders of operations


I continued my talk about order by giving the following example:

When I go to work in the morning I have to get into my car in a certain order.  

First, I have to open the door.

Second, I have to sit down.

Third, I have to start the car.

Fourth, I have to put my foot on the brake.

Fifth, I put my car in gear.


It would be impossible for me to get to work without doing the steps in order.  In math, we have to solve numerical expressions in order so we can get to the correct solution.

This example is something the students can relate to and apply.  Other examples I've used: fixing a sandwich, doing the laundry, feeding their pets,


  Helping them understand the importance of order
  Connection to Prior Knowledge: Helping them understand the importance of order
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Learning About the Orders of Operations

Unit 6: Expressions
Lesson 2 of 14

Objective: SWBAT to use the orders of operations to solve numerical expressions

Big Idea: 8 ÷ 4 x 2 is the answer 4 or 1? Students find out!

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order of operations 05 03
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