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Instructor Overview

In this lesson, students use their knowledge of rates, graphs of rates, and formulas to solve problems.

Key Concepts

The formula for a rate is a mathematical way of writing a rule for computing a value. Rate formulas describe a constant relationship between two quantities. Each point on the graph of a rate shows a pair of related values. A graph of a constant rate is a straight line.

Goals for Learning Objectives

  • Uncover any partial understandings and misconceptions students have about rate, graphs of rates, and formulas.
  • Develop a more robust understanding of rate.
  • Help identify which Gallery problems students should work on.