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Math Is Fun

Math Is Fun: Compound Interest Calculator

For Students 9th - 10th
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...
Lesson Plan
Alabama Learning Exchange

Alex: How Much Does It Cost?

For Teachers 6th - 8th
Students will use an online mortgage calculator to determine the cost of financing a house over various lengths of time and at various interest rates. This lesson is excellent to include in a budgeting unit.