Handout
Paul Dawkins

Paul's Online Notes: Algebra: Applications

For Students 9th - 10th
Provides examples of applications of exponential functions involving compound interest and exponential growth and decay, and an example of an application of a logarithm involving earthquake intensity.
Activity
Texas Instruments

Texas Instruments: Exponential Functions

For Teachers 9th - 10th
These questions test knowledge of domain and range of exponential functions, properties of exponents, and population growth and compound interest modeled by exponential functions. Questions are true/false and multiple choice; solutions...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Comparing Exponentials

For Teachers 9th - 10th Standards
In this task, students work with exponential functions in a real-world context involving continuously compounded interest. They will study how the base of the exponential function impacts its growth rate and use logarithms to solve...
Activity
Texas Instruments

Texas Instruments: Transformations of Exponential Functions

For Teachers 9th - 10th
This activity assesses student's knowledge of transformations of exponential functions. Writing exponential functions that model growth and decay are also explored.
Graphic
Texas Instruments

Texas Instruments: Algebra 1: Exponential Functions

For Students 9th - 10th
Students will use examples and an interactive graph to explore exponential functions such as growth and decay.
Handout
Other

Algebra Lab: Applications of Exponential Functions

For Students 9th - 10th
Explains how exponential functions have applications in real-world scenarios, including a population of a city, the growth of bacteria, drug decay, and compounding interest. Includes four word problems to try, with hints and answers...
Lesson Plan
Alabama Learning Exchange

Alex: Human Population Growth Web Quest

For Teachers 9th - 10th
This is a technology-based lesson plan that integrates science and math to investigate the dynamics of population growth.
Activity
Interactive Mathematics

Interactive Mathematics: Graphs of Exponentials & Logarithms

For Students 9th - 10th Standards
Interactive graphs of base 10 exponential and logarithmic functions are demonstrated and applied to real-world problems.
Lesson Plan
University of South Florida

Fcat: Get a Half Life!: Teacher Notes

For Teachers 9th - 10th
Learners use M&M's and a graphing calculator to collect and graph data. This activity helps them to understand exponential functions and the concept of half-life.
Activity
Cool Math

Coolmath: Exponentials & Logarithms Alien Amoebas

For Students 6th - 9th
Use the example of alien amoebas to understand exponentials and logarithms.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Exponential Decay and Growth

For Students 9th - 10th
Eleven problems present a variety of problems working with various aspects of exponential decay and growth. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...
Website
Annenberg Foundation

Annenberg Learner: Math in Daily Life: Population Growth

For Students 9th - 10th
At this website there is basic information about world population growth over the last 300+ years. The link at the end of the article is to another article that compares the population growth of two states.
Study Guide
Department of Defense

Do Dea: Growth and Decay

For Students 9th - 10th
Practice problems that each illustrate a different use of the Law of Exponential Change. Examples and explanations are provided. Great review for the AP Calculus test!
Study Guide
Department of Defense

Do Dea: The Law of Exponential Change

For Students 9th - 10th
If you are a budding environmental scientist, archeologist. physical scientist, or bacteriologist, then this is the site is for you. You will be looking at the differential equation of proportional change and how it is related to the...
Graphic
University of Oregon

Exponential Growth and Resource Usage

For Students 9th - 10th Standards
An example of an exponential function.
Interactive
Cool Math

Coolmath: Population Growth

For Students 9th - 10th
Explanation and examples for solving population growth problems.
Activity
University of Georgia

University of Georgia: One Grain of Rice Mathematical Project

For Students 9th - 10th Standards
This is the mathematical tale about Raja, one grain of rice, and how quickly it grows. It includes a mathematical project using a spreadsheet to examine exponential growth and a calculus-based extension that explores area under a curve.
Handout
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Squaring Pennies

For Students 9th - 10th
A cute story about exponential growth.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Exponential Functions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn to recognize, evaluate and graph exponential functions. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Human Population

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] How quickly is the human population growing? If we look at worldwide human population growth from 10,000 BCE through to today, our growth looks like exponential...
Interactive
Cool Math

Coolmath: Population Growth 3

For Students 9th - 10th
Population growth simulator with rate and time.
Activity
Texas Instruments

Texas Instruments: Getting Started With Ti Navigator: Compound Interest

For Teachers 9th - 10th
This lesson introduces students' to Activity Center. In this lesson, students will explore the effect of compound interest on the amount of an investment over time. Students will work in small groups (or individually) to calculate...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Rumors

For Teachers 9th - 10th
In this task, students investigate the exponential growth of a rumor about a celebrity. Aligns with F-LE.A.2.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Bf Lake Algae

For Teachers 9th - 10th
In this task, students analyze the amount of algae growing on the surface of a lake. The purpose of the task is to introduce students to exponential growth. Instead of giving a starting value and asking for subsequent values, it gives an...

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