## Reflection: Accountability Order of Operations - Section 2: Intro to New Material

The problems in this lesson have many steps, which must be completed in a specific order.  I tend to use a lot of cold call in this and the next lesson.  Cold calling serves a number of purposes:

• it's engaging for students (I use popscicle sticks to pull names, so that students know it is random and they're eager to hear which name I call next)
• it holds students accountable (everyone has to have their brains 'on' and be ready to potentially answer the next step of the problem)
• it serves as a quick check for understanding (I get to hear from many voices, and can see if/where there are any misconceptions before students start to work with less support from me)

Cold Calling
Accountability: Cold Calling

# Order of Operations

Unit 7: Expressions
Lesson 1 of 12

## Big Idea: When evaluating expressions, mathematicians all over the world use the same order of operations to get to the answer.

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Standards:
Subject(s):
Math, order of operations, Exponents, Expressions (Algebra), expressions, expression, order of operations (exponents), base, evaluate expressions, evaluate
67 minutes

### Carla Seeger

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