Illuminations: Bathtub Water Levels

This lesson is similar to Lesson One: Traveling Distances; however, this lesson is designed so students examine real-life data that illustrates a negative slope.

Students interpret the meaning of the negative slope and y-intercept of the graph of the real-life data. By examining the graphical representation of the data, students relate the slope and y-intercept of the least squares regression line to the real-life data. They also interpret the correlation coefficient of the least squares regression line.

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STEAM Topics Resource Audience Grade Level Tags

Math Topics

Data, Graphing & Statistics

High School, Educator

9th Grade, 10th Grade, 11th Grade, 12th Grade

Least Squares Regression Line, National Council of Teachers of Mathematics

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Illuminations (National Council of Teachers of Mathematics)

Illuminations works to serve you by increasing access to quality standards-based resources for teaching and learning mathematics, including interactive tools for students and instructional support for teachers.

https://illuminations.nctm.org/Default.aspx

Illuminations: Traveling Distances

Illuminations (National Council of Teachers of Mathematics)

In this lesson, students interpret the meaning of the slope and y-intercept of the graph of real-life data.

https://illuminations.nctm.org/Lesson.aspx?id=1441

Illuminations: My Graph Is…

Illuminations (National Council of Teachers of Mathematics)

This lesson is designed to allow students to select their own real-life data to plot and interpret.

https://illuminations.nctm.org/Lesson.aspx?id=1474

Illuminations: Gallery Walk

Illuminations (National Council of Teachers of Mathematics)

This lesson is designed to allow students to view the work of other students in the class and to explain their own work.