Education Technology

M&M's and Exponential Graphs

Author
Subject Area
Math: Precalculus: Exponential and Logarithmic Functions
Level
9-12
Activity Time
2 Days
TI Calculator
TI-83 Plus Family
TI-84 Plus
TI-84 Plus Silver Edition
Other Materials
  • M&M's (2lbs for 30 students)
  • Cups
  • Lab sheet
Resource Types
Lessons

M&M's and Exponential Graphs

Activity Overview

Students will use M&M's to model a decay equation - exponential equations.

Before the Activity

Students should have access to either the TI-83 Plus or TI-84 Plus family of calculators.

During the Activity

Give each group of students a small amount (about 50) M&M's in a cup. Students will fill in the lab sheet. Students will login to TI-Navigator™ and put the data in L1 and L2.
The teacher will collect the list from the student's calculators and compile the list to make a class set of data. The class data is sent back to the students using the Navigator system and students finish the lab sheet. The teacher plots the data in activity center and students should submit the equation of best fit. The class will be able to see each groups equation appear on the data set.

After the Activity

Review student answers:

  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary
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    Author
    Subject Area
    Math: Precalculus: Exponential and Logarithmic Functions
    Level
    9-12
    Activity Time
    2 Days
    TI Calculator
    TI-83 Plus Family
    TI-84 Plus
    TI-84 Plus Silver Edition
    Other Materials
    • M&M's (2lbs for 30 students)
    • Cups
    • Lab sheet
    Resource Types
    Lessons
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