Exponential Models: Rhinos and M&M’s ®

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In this math lesson, learners model exponential decay and exponential growth using M&M's, paper folding, and African rhino population data. Learners collect data, create scatterplots, and determine algebraic models that represent their functions. The objectives of this lesson are for learners to explore patterns of exponential models in tables, graphs, and symbolic forms and to apply what they have learned to make predictions in a real situation.

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
1 to 2 hours
Estimated Materials Cost:
$1 - $5 per group of students
Age Range:
Ages 14 - 18
Resource Types:
Activity, Lesson/Lesson Plan
Language:
English

Materials List (per group of students)

Keywords

Subjects

  • Life Sciences
    • Diversity of Life
      • Animals
    • Ecology
      • Populations
  • Mathematics
    • Algebra
      • Equations and Inequalities
      • Patterns
      • Variables and Expressions
    • Data Analysis and Probability
      • Data Analysis
      • Data Collection
      • Data Representation
      • Probability
    • Number and Operations
      • Exponents
    • Reasoning and Proof
    • Representation
  • The Nature of Technology
    • The Design Process
      • Problem Solving

Informal Categories

  • Animals
  • Food and Cooking

Audience

To use this activity, learners need to:

  • see
  • read
  • touch

Learning styles supported:

  • Involves teamwork and communication skills
  • Involves hands-on or lab activities

Other

This resource is part of:

Access Rights:

  • Free access

By:

Rights:

  • All rights reserved, PBS, 2012

Funding Source:

  • US Department of Education