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- Dahlia C., Home schooler
Line of Best Fit Teacher Resources
Find Line of Best Fit educational ideas and activities
Students create a scatter plot for bivariate data and find the trend line to describe the correlation for the sports teams. In this scatter plot lesson, students analyze data, make predictions,and use observations about sports data using a scatter plot to find the line of best fit. Students explore a website and worksheets to complete the project. Students also write an essay and complete a quiz for assessment.
Eighth graders investigate using scatter plots to illustrate the data found in sets. Then they connect the coordinate points in order to find the correct line. Students make estimations of the second variable when given the first. They work in small groups in order to prepare for an assessment.
In this scatter plots and line of best fit worksheet, students create scatter plots from given sets of data. They answer questions concerning the scatter plot. Students write the equation of a line, identify the type of correlation depicted in a graph, and draw the line of best fit. This one-page worksheet contains ten problems.
Students, in groups, work together to determine the relationship of the distance a projector is from a screen and the size of image that results. While experimenting with the data, students identify the independent and dependent variable and write the equation of a line of best fit. They determine the best distance for the projector to illuminate the image on the entire screen.
Adjust this lesson to fit either beginning or more advanced learners. Build a scatter plot, determine appropriate model (linear, quadratic, exponential), and then extend to evaluate the model with residuals. This problem uses real-world data and challenges one to make predications based on the model.
In the context of western wildfires, mathematicians discover how a variable can be used to solve problems. They read about wildfires, construct variable equations, and then learn to graph results in scatter-plot fashion to determine if there are relationships between flame length and vegetation type. This resource comes complete with colorful, professionally-designed handouts that fully support the rich content.
Seventh graders use graphs to interpret data. In this linear equation lesson, 7th graders record the thickness of candy on a worksheet. Students start to eat their candy and measure it again. Students continue until the candy is gone. Students create a scatter plot to graph their data and answer questions to develop an equation.
Middle and high schoolers explore the concept of linear modelling. In this linear modelling lesson, pupils find the line of best fit for life expectancy data of Canadians. They compare life expectancies of men and women, and find the point of intersection when males and females have the same life expectancy.
Ninth graders investigate linear functions. For this Algebra I lesson, 9th graders explore the relationship between the stretch of a spring and the weight suspended from it. Students collect and analyze data and use technology to create a scatter plot and determine the line of best fit.
Students model volume and surface area algebraically. In this modeling volume and surface area algebraically lesson, students make tables and graphs of volume and surface area dimensions of soda cans. Students determine the soda can (cylinder) design with the smallest surface area, but largest volume.