Math Is Fun
Math Is Fun: Compound Interest
Explains, with examples, what compound interest is and how to calculate it using a formula. Also shows how to work backwards to calculate the present value of an investment, how compound interest is calculated for different compounding...
Math Is Fun
Math Is Fun: Compound Interest Calculator
A calculator based on the compound interest formula that can be used to determine the Present Value, the Future Value, the Interest Rate, or the Number of Periods. You can select the type of compounding, the effective annual rate, and...
Math Is Fun
Math Is Fun: Compound Interest: Periodic Compounding
Looks at compound interest and at the special circumstances of periodic compounding where interest may be calculated annually or semi-annually, for example, and how that affects the interest rate. Presents examples of different...
Illustrative Mathematics
Illustrative Mathematics: F Le Interesting Interest Rates
For this task, learners work with simple and compound interest rates to determine which bank offers the best return on a deposit. Aligns with F-LE.A.1.
Council for Economic Education
Econ Ed Link: Compound Interest Calculator
The activity investigates compound interest, principal, and interest. Students can calculate different savings over time by inputting the monthly savings, starting age, and interest rate. The learning tool includes a graph that shows the...
Math Is Fun
Math Is Fun: Compound Interest Formula Derivations
Looks at how the formula for calculating the effect of compound interest is derived and how it is used to create formulas for finding the Future Value, the Present Value, the Interest Rate, and the Number of Periods. Includes lots of...
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...
CK-12 Foundation
Ck 12: Analysis: Simple and Compound Interest
[Free Registration/Login may be required to access all resource tools.] This lesson provides a summary review of simple interest and exploration of continuously compounding interest. Students examine guided notes, review guided practice,...
Council for Economic Education
Econ Ed Link: Compound Interest
Video [2:52] and quiz on the concept of compound interest.
CK-12 Foundation
Ck 12: Analysis: Simple and Compound Interest
[Free Registration/Login may be required to access all resource tools.] Students solve real-world problems involving simple and compound interest. Students examine guided notes, review guided practice, watch instructional videos and...
Illustrative Mathematics
Illustrative Mathematics: F Bf Compounding With a 5% Interest Rate
In the problem presented here, money is invested in an account and its owner understands that interest compounded semi-annually gives a better return than interest compounded annually. He wonders how much interest can be earned by...
Illustrative Mathematics
Illustrative Mathematics: F Bf Compounding With a 100% Interest Rate
In the problem presented here, a man understands that money invested in an account where the interest is compounded semi-annually gives a better return than if it was compounded annually. He wonders how much interest can be earned by...
Calculator Soup
Calculator Soup: Compound Interest Calculator
Calculate compound interest on an investment or savings. Using the compound interest formula, calculate principal plus interest or principal or rate or time.
Mocomi & Anibrain Digital Technologies
Mocomi: Simple Interest and Compound Interest
Explains simple and compound interest with formulas and examples.
Other
Financial Pipeline: Interest Compounding
This page gives a summary of compounding interest and distinguishes it from simple interest.
Texas Instruments
Texas Instruments: Compound Interest: Show Me the Money
This is an activity at the conclusion of the exponential relationship unit where students have experience with equations in the form y=a*b^x. Students use the random integer function on theTI-83 Plus to generate a rate of return for the...
University of Nebraska Omaha
Ec Ed Web: M&m Interesting [Pdf]
This site from the University of Omaha provides a lesson plan indicated for 6-8th grades. "During this activity, students use the economic concepts of trade-offs and opportunity costs to decide between savings accounts with simple...
Council for Economic Education
Econ Ed Link: Timing Is Everything
In the first part of the lesson, students examine the incentives and opportunity costs of spending and saving in a teacher directed lesson. The remainder of the lesson is an interactive website. Students work through problems that...
Cuemath
Cuemath: Simple Interest
A comprehensive guide for learning all about simple interest with definitions, simple interest formula, loans, solved examples, and practice questions.
Illustrative Mathematics
Illustrative Mathematics: F Le a Valuable Quarter
The context of this task is that a quarter was put into a bank account in 1901 and students are asked to calculate its value in 2013 at two different interest rates. Those amounts are compared to the appreciation rate of a rare and...
Other
Brown Math: Loan and Investment Formulas
This site is provided for by the Oak Roads Systems. Compound interest can work either for or against you whether you're taking out a loan or making an investment. Either way, the set of formulas for interest is the same and they are...
Calculator Soup
Calculator Soup: Loan Calculator
Use this loan calculator to determine your monthly payment, interest rate, number of months or principal amount on a loan. Find your ideal payment by changing loan amount, interest rate and term and seeing the effect on payment amount.
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...
Illustrative Mathematics
Illustrative Mathematics: F Le Comparing Exponentials
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...