Education Technology


Key Curriculum Press Discovering Algebra: Investigation Changing the Shape of a Graph

Activity Overview

Key Curriculum Press Discovering Algebra Lesson 9.4: Stretching and Shrinking Graphs is from Chapter 9: Transformations. Students will learn how to stretch or shrink a graph vertically.

Before the Activity

Review the Teacher Resources and Calculator Note PDF files.
Make copies of the Student Activity PDF file for your class.

During the Activity

Students will:

  • Explore transformations as they stretch and shrink graphs


  • Directions:
  • Distribute the student activity sheets
  • Follow the procedures as outlined
  • After the Activity

    As a class, review student answers, discussing questions that appeared to be more challenging, and re-teaching as needed.