Education Technology

McDougal Littell Algebra 2: Collect and Model Trigonometric Data

Published on 10/17/2008

Activity Overview

Students will use the TI-84 Plus family to collect data from a microphone and analyze. Students will then write a trig function to model the data.

Before the Activity

  • Review the activity PDF file
  • Make copies of the activity PDF file for your class
  • During the Activity

    Students will:

  • Collect sound data using a microphone.
  • Determine a trig function of best fit.


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

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