## Reflection: Modeling Defining Reflections - Section 3: Closure

Discovery lessons are great. We love to see students working inquisitively and then having those aha! moments. But what happens when students never get there.

In this lesson, I'll talk about how the objectives for this particular discovery lesson were not achieved by all and my plan for responding to that fact.

Cleaning up after Discovery Lessons
Modeling: Cleaning up after Discovery Lessons

# Defining Reflections

Unit 4: Defining Transformations
Lesson 3 of 7

## Big Idea: Mirror, mirror, on the wall...what defines reflections all? In this lesson, we'll formalize the definition of reflection in the coordinate plane.

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70 minutes

### Anthony Carruthers

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