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...
Discovery Education
Discovery Education: Web Math: Math for Everyone
Provides online programs and explanations on everyday math: calculating a tip at a restaurant, determining the sale price of an item, finding the odds of winning a lottery, computing simple and compound interest, and more.
National Council of Teachers of Mathematics
The Math Forum: Seventh Grade Mathematics: Cycles
Teachers can use this resource for creating interesting lessons about time and time measurement. There are articles about leap year, converting time, as well as other links for further research. An interdisciplinary project about an...
Consumer Financial Protection Bureau
Consumer Financial Protection Bureau: Credit Cards
Thinking about opening a credit card? This resource gives consumers information about maneuvering the credit process. Use the interactive guide to learn more about terms and fees offered by credit cards. Also, open the online calculator...
University of Maryland
University of Maryland: The Astronomy Workshop
Find tools to calculate astronomical distances and sizes, to view various Solar System models, to compare gravity's affect on weight, and more. A good place to find interesting facts, simple animations, and astronomy links to physics and...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Formula for Greatest Common Divisor.
This site is a question and response to a student asking Dr. Math about the greatest common divisor, he gives an interesting way to find the gcd, as well as the button on calculators which commonly does the math for you.