# Plotting Ratios on the Coordinate Plane Rating

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The authors Susan Sayfan

## Basics on the topicPlotting Ratios on the Coordinate Plane

After this lesson, you will be able to take a ratio and represent it as a graph on the coordinate plane.

The lesson begins with an explanation of how to write a ratio as a proportion, then use substitution to create a ratio table. It then demonstrates how to use your ratio table to create a graph on the coordinate plane, and the difference between continuous and discrete sets of data.

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This video includes key concepts, notation, and vocabulary such as: ratio (a comparative, proportional relationship between two amounts); equivalent ratios (two or more ratios which represent the same proportional relationship); ratio tables (a table of equivalent ratios); continuous data (data that can take any rational value, represented by a line on the coordinate plane); and discrete data (data that cannot be divided into smaller parts, represented by unconnected points on the coordinate plane).

Before watching this video, you should already be familiar with ratios, equivalent ratios, proportional relationships, and how to graph points on the coordinate plane.

After watching this video, you will be prepared to learn more about visual representations of ratios and the relationship between ratios and proportions.

Common Core Standard(s) in focus: 6.RP.A.3a A video intended for math students in the 6th grade Recommended for students who are 11-12 years old