Line Of Best Fit Math Games

In this series of games, your students will learn that straight lines are widely used to model relationships between two quantitative variables. The Line Of Best Fit learning objective — based on CCSS and state standards — delivers improved student engagement and academic performance in your classroom, as demonstrated by research. This learning objective directly references 8.SP.A.2 as written in the common core national math standards.

Scroll down for a preview of this learning objective’s games and the concepts.

Concepts Covered

Graph paired measurements that may be associated with a scatter plot. Look for a positive or negative trend in the cloud of points. Identify a nonlinear pattern. Identify a strong association (most of the points increase or decrease in correspondence with the associated values) or a weak association (some of the points increase or decrease in correspondence with the associated values of the variables).

Describe groups of points as clusters. Describe points that are far off the trending points as outliers. If the points generally trend in a linear fashion (trend in a straight line) they are said to have a linear association. When paired associated measures trend in a generally linear fashion, use a line of best fit to show the general trend. The line of best fit is an approximation to show the associative trend.

Determine if a line of best fit is placed accurately by analyzing the location of points on the scatter plot. After a line is fit through the data, the slope of the line is approximated and interpreted as a rate of change.

A preview of each game in the learning objective is found below.

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