Antoinette Villarin shares a slide with new graphs showing rate of change and asks her students to use the sentence frames with their partners to describe what they see, using precise mathematical language as they do so.

8th Grade Math - Representing Constant Rate of Change*Antoinette Villarin, Westborough Middle School, South San Francisco Unified School District, South San Francisco, California*

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- Lesson: Comparing Lines and Linear Equations by the Mathematics Assessment Project Web Link
- Handout: Recording Sheet and Gallery Walk Guide Word Document
- Student Work: The Race PDF
- Student Work: Graphs PDF
- Student Work: Matching Poster PDF
- Student Work: Recording Sheet and Gallery Walk Guide PDF
- Student Work: Exit Ticket PDF

Transcript coming soon

For many of my students, I find that a lot of times it's challenging for them to use writing to explain their thinking. Then you ask them, and they can explain it verbally. It’s something that continually needs to be practiced — to use both oral and written language to communicate your thinking. I also think that students struggle with perseverance. It’s important to teach them to have a growth mindset and to not give up when learning math. It’s a class culture I try to set from the very beginning of the school year all the way to the end.