Texas Instruments
Texas Instruments: Linear Functions Modeled by Data
Students submit their own data that can be modeled by a linear function. Students find the line of best fit, and discuss graphs of linear functions.
Khan Academy
Khan Academy: Estimating Equations of Lines of Best Fit and Making Predictions
Practice estimating the equation of a line of best fit through data points in a scatter plot. Then use the equation to make a prediction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Texas Instruments
Texas Instruments: Influence and Outliers
In this activity, students will identify outliers that are influential with respect to the least-squares regression line. Students will describe the role of the location of a point relative to the other data in determining whether that...
Texas Instruments
Texas Instruments: Boat Registration and Manatee Deaths in Florida
Students will explore the data on boat registrations and manatee deaths in Florida. They will use the data, the graph of the data and the line of best fit to make predictions about the relationship of the data.
![Univ. Of Waterloo: Wired Math: Linear Graphing: Graphing and Analyzing [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Univ. Of Waterloo: Wired Math: Linear Graphing: Graphing and Analyzing [Pdf] Unknown Type")
University of Waterloo (Canada)
Univ. Of Waterloo: Wired Math: Linear Graphing: Graphing and Analyzing [Pdf]
The mathematics resource assesses students on linear relations. The activity has problems with graphing and analyzing linear relations. Some of the topics included are variation, scatter plots and linear relationships. The worksheet has...
University of Illinois
University of Illinois: Linear Regression Applet
This applet allows you to plot up to fifty points and it will display a best fit line and give you the slope of that line.
Khan Academy
Khan Academy: Eyeballing the Line of Best Fit
Students practice informally graphing a line of best fit to a scatter plot and answer questions to determine if a scatter plot has a correlation. Students receive immediate feedback and have the opportunity to watch a video, get hints,...
Texas Instruments
Texas Instruments: An Olympic Plot
In this activity, students find lines of best fit to model Olympic data.
Illustrative Mathematics
Illustrative Mathematics: S Id.6a,7 Olympic Men's 100 Meter Dash
This task asks students to identify when two quantitative variables show evidence of a linear association and to describe the strength and direction of that association. Students will use a scatterplot showing the finishing times for the...
Illustrative Mathematics
Illustrative Mathematics: 8.sp Animal Brains
This task looks at a possible relationship between the weight of an animal's body and the weight of its brain. Students make a scatter plot of data, look for outliers, make a second scatter plot without the outliers, and describe the...
Illustrative Mathematics
Illustrative Mathematics: 8.sp Laptop Battery Charge
This task looks at how long it takes for a laptop battery to fully charge. Students make a scatter plot of data, draw a 'line of best fit,' and predict the time it will take to reach a full charge. Aligns with 8.SP.A.2.
CK-12 Foundation
Ck 12: Scatter Plots and Linear Correlation
[Free Registration/Login may be required to access all resource tools.] This lesson covers plotting a scatterplot and finding a linear equation that best fits the data.
CK-12 Foundation
Ck 12: Statistics: Least Squares Regression
[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to least-squares regression.
CK-12 Foundation
Ck 12: Statistics: Scatter Plots on the Graphing Calculator
[Free Registration/Login may be required to access all resource tools.] This lesson covers finding the equation of best fit using a graphing calculator.
National Council of Teachers of Mathematics
Nctm: Illuminations: Line of Best Fit
Use this activity to practice how to enter a set of data, plot the data on a coordinate grid, and determine the equation for a line of best fit.
National Council of Teachers of Mathematics
Nctm: Illuminations: Linear Regression I
This applet allows you to investigate a regression line, sometimes known as a "line of best fit."
Shodor Education Foundation
Shodor Interactivate: Multiple Linear Regression
Students compare multiple independent variables as predictors of one dependent variable. Students explore correlation and lines of best-fit.
Shodor Education Foundation
Shodor Interactivate: Regression
Plot a bivariate data set, determine the line of best fit for their data, and then check the accuracy of your line of best fit.
Shodor Education Foundation
Shodor Interactivate: Linear Regression and Correlation
Students are introduced to correlation between two variables and the line of best fit.
Quia
Ixl Learning: Line of Best Fit
Brush up on your math skills relating to the line of best fit then try some practice problems to test your understanding.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Lines of Best Fit
Get independent practice working with lines of best fit. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Math Graphs
Houghton Mifflin: Math Graphs: Line of Best Fit 1 [Pdf]
The practice problem examines the line of best fit and scatter plots. The scatter plot is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Line of Best Fit 2 [Pdf]
The practice problem examines the line of best fit and scatter plots. The scatter plot is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Line of Best Fit 3 [Pdf]
Students sketch the line that best approximates the data in a scatter plot. The scatter plot is available in PDF format.