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Instructor Overview

Students continue to explore the three relationships from the previous lessons: Comparing Dimensions, Driving to the Amusement Park, and Temperatures at the Amusement Park. They graph the three situations and realize that the two proportional relationships form a straight line, but the time and temperature relationship does not.

Key Concepts

A table of values that represent equivalent ratios can be graphed in the coordinate plane. The graph represents a proportional relationship in the form of a straight line that passes through the origin (0, 0). The unit rate is the slope of the line.

Goals and Learning Objectives

  • Represent relationships shown in a table of values as a graph.
  • Recognize that a proportional relationship is shown on a graph as a straight line that passes through the origin (0, 0).