# Unit Rate As Slope Of A Graph Math Games

3 gamesIn this series of games, your students will learn to graph proportional relationships, interpreting the unit rate as the slope of the graph. The Unit Rate As Slope Of A Graph 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.EE.B.5 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**

An expression in one variable defines a general calculation in which the variable can represent a range of numbers—an input-output machine with the variable representing the input and the expression calculating the output. Choosing a variable to represent the output leads to an equation in two variables describing the relation between two quantities.

Tabulating values of the expression is the same as tabulating solution pairs of the corresponding equation. Use the relationship between distance and time. Plotting points on the coordinate plane, in which each axis is marked with a scale representing one quantity, creates a visual representation of the relationship between two quantities where the slope is the unit rate.

The constant of proportionality is the multiplicative factor in the expression, the slope in the graph of the relationship, and the corresponding increments in the table. Compare proportional relationships presented in different ways (table, graph, equation) using slope.

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

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