Graph proportional relationships, interpreting the unit rate as the slope

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Lesson Plan →Objectives, pacing and practice, built from this lesson's brief.
Guided Notes →One page your students fill in and keep.
Exit Ticket →Three items at the end of class. No student accounts.
Re-teach →After an exit ticket: who missed what, and what to do tomorrow.
Homework →Assign practice; it grades itself.

8.EE.B.5

**8.EE.B.5**: Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.

8.EE.B.5: Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.

What you'll learn

Graph a proportional relationship from a table, equation, or verbal description, producing a straight line through the origin
Identify the unit rate of a proportional relationship and explain why it equals the slope of the corresponding graph
Calculate slope as rise over run from a graph and connect this calculation to the unit rate in the original context
Compare two proportional relationships given in different representations (table, graph, equation, or verbal description) and determine which has the greater rate
Interpret the slope of a proportional relationship graph in context, using appropriate units (e.g., "miles per hour," "dollars per pound")

Slides

Step through the lesson, or watch it as a narrated video • 2 slide decks

Graphing proportional relationships and slope

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Comparing and interpreting rates

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Practice

Try it on your own

Exercise

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Animated Videos

Short animated explanations of the key idea • 3 animated videos

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