Unit 5, Lesson 22
The Slope of a Fitted Line
Accelerated 7
Preparation
Lesson Narrative
In this lesson students focus on the mathematical language of slope using the context of data (MP6). Students also identify positive and negative associations of scatter plots without a fitted line shown (MP7).
Teacher Notes for IM 6–8 Math Accelerated v.360
In this course, this lesson occurs before students learn language about dependent and independent variables as they relate to functions. It is unlikely they will use those terms to describe how they know whether the association between two variables is positive or negative.
- Describe (orally and in writing) the relationship between two variables using a line fit to data on a scatter plot.
- Interpret (orally and in writing) points on the scatter plot, including points that do and do not lie on a line fit to data.
- Interpret (orally and in writing) the slope of a line fit to data in context.
Let's look at how changing one variable changes another.
Required Preparation
None
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