Education Development Center
Tune in to Learning: Understanding Interest
Using this interactive lesson, you'll calculate compound interest and compare interest rates. In addition to learning about interest, you will also be learning about taking out a mortgage on a home. Three activities with questions...
Paul Dawkins
Paul's Online Notes: Algebra: Applications
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.
Yale University
Solving Problems by the Hundreds
This site contains a study of percentage and its applications in the study of consumer related problems. Problems involving sales tax are included. Examples, explanation, solutions and a bibliography are also included in the site.
Other
Finra Investor Education Foundation: Introduction to Earning Interest 11 & 12
Young scholars will know and be able to use the formula for calculating compound interest and understand the effect of compounding on savings in this lesson.
Other
Finra Investor Education Foundation: Introduction to Earning Interest 9 & 10
This lesson for 9th and 10th graders focuses on the concept of compound interest and its effect on savings. Students will also learn how to compute simple and compound interest.
Other
Finra Investor Education Foundation: Introduction to Earning Interest
In this lesson, students will learn about the concept of compound interest and understand its effect on savings. They will also learn how to compute simple and compound interest.
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
Richland Community College
Richland Community College: Geometric Sequences
Richland Community College provides a lesson on geometric sequences. This site has explanations and examples of their properties.
Texas A&M University
The Rule of 72 for Compound Interest
This rule from Texas A&M will help you with your financial planning.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math; Interest
This Math Forum site gives links students' inquiries involving calculating both simple and compound interest for a variety of situations.
Texas Instruments
Texas Instruments: Compound Interest
In this activity, students use the TI graphing calculator to calculate compound interest. They understand that in compound interest computations, the interest from the previous period is added to the current principal and the new total...
Texas Instruments
Texas Instruments: That's Interesting!
In this activity, students compare simple and compound interest in graph form. By doing this students will gain insight into interest and interest formulas, exponential and linear growth, and real world investment strategies.
Texas Instruments
Texas Instruments: Numb3 Rs: Financial Futures
Based off of the hit television show NUMB3RS, this activity shows students how money invested at different interest rates grow differently. The lesson focuses on aspects of interest such as compounding, length of time between...
Texas Instruments
Texas Instruments: Math Today for Ti Navigator System College Costs Surge
During this activity, students will explore the expected cost of college and also look at methods of saving money for the future. Comparing simple and compound interest will help students make decisions about their future. Students will...
Texas Instruments
Texas Instruments: Getting Started With Ti Navigator: Compound Interest
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...
Texas Instruments
Texas Instruments: Continuous Compounding
In this activity, students deal with financial computations, where the interest is compounded continuously. Depending on the length of each compounding period, students will determine the number of compounding periods.
Texas Instruments
Texas Instruments: Growth and Decay Formulas
In this question set, students use exponential growth and decay functions to solve problems about compound interest, population growth, investments, and half-life. Solutions and explanations are provided for these problems.
Texas Instruments
Texas Instruments: Interest and Annuities
These questions involve compound interest, annuities, and amortizing a loan. Students will find the present and future value of investments; they will also find monthly payments and total interest paid on a loan. Solutions are provided.
Texas Instruments
Texas Instruments: Exponential Functions
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...
Yale University
Yale New Haven Teachers Institute: Commission
This site from Yale University provides a description of commission with example problems. Additional topics can be found on the same page.
Yale University
Yale New Haven Teachers Institute: Solving Problems "By the Hundreds"
The Yale-New Haven Teachers Institute site contains various math exercises relating to percentage and consumer-related problems. An explanation of sales tax, a related problem and answer are given.
Thinkport Education
Maryland Public Television: Sense and Dollars
Engaging, fun tutorials and interactive games related to earning, spending, saving, and budgeting money.
Other
Treasury Direct: Money Math: Secret of Becoming a Millionaire [Pdf]
This lesson focuses on understanding fractions, decimals and percentages as the math skills, and saving money and compounding interest as the economic skills. [PDF]
Math Is Fun
Math Is Fun: Interest (An Introduction)
What is interest? What is the difference between simple interest and compound interest? Find the answers to these questions, learn how to calculate interest for a loan, and see how interest can help your money grow. Includes ten practice...