8.SP.A.2 Grade 8 · Statistics and ProbabilityKnow that straight lines are widely used to model relationships between two quantitative variables.Common Core State Standards for Mathematics, as adopted in the Massachusetts Curriculum Framework for Mathematics (2017), Grade 8.
Play the game: Function Machinefree, no sign-up →Data is counted as dots on a line plot before any average is named, so the shape of the data is seen first.
Every page is free and open — nothing to install, no account, and it works on a phone or a classroom board. Every number has its own color: 1 red, 2 orange, 3 yellow, 4 green, 5 blue, 6 purple, 7 brown, 8 pink, 9 cyan, and a number is that many colored dots.
8.SP.A.1Scatter plots: plot data, find outliers and clusters, positive or negative association8.SP.A.3Use a line's equation to predict, and say what its slope and intercept mean8.SP.A.4Two-way tables: counts, relative frequencies by row or column, associationColorMyMath · getridoftheteacher.com · every number has its own color, and a number is that many colored dots. Matching a game to a standard is a judgement call; the official text is at doe.mass.edu.