## Reflection: Coherence Properties of Parabolas Day 2 of 2 - Section 3: Closing + Homework

I have had great luck with this sequence of lessons having students first examine the effects of "a," followed by "h" and then "k."  By the end of today's lesson, almost all of my students can look at a quadratic in vertex form and describe approximately what it should look like. I really like how these two lessons allow students to see the structure of quadratic expressions and allows them to use a key standard of mathematical practice.  I also have heard lots of positive comments from students who usually struggle with math about these two lessons. Some of them comment about the visuals and I find others to be engaged by the use of technology.  Desmos.com is a great resource, and it allows students to use a "slider" for a variable like "a," "h," or "k" so they can see in real time how it changes the parabola.

Putting it All Together
Coherence: Putting it All Together

# Properties of Parabolas Day 2 of 2

Lesson 5 of 18

## Big Idea: Students get excited to explore how different families of quadratic equations change the shape and position of the resulting parabolas.

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60 minutes

### Amanda Hathaway

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