CK-12 Foundation
Prices Involving Sales Tax: Proper Tipping
A five-question interactive challenges mathematicians to find a correct tip and total amount using percents five, 12, and 18. A tool with moveable pieces assists participants in locating answers. Types of questions include...
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A Trip to Colonial Virginia
Students consider prices while planning a trip to Colonial Virginia. In this budgeting lesson plan, students construct an itinerary of events for a vacation. Students are responsible for working within the approved budget.
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Credit: Taking an Interest in Credit
Students examine how credit works but looking at how credit cards and interest rates work. They use percentages to solve problems using credit card interest rates while completing a worksheets.
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Return On Investment
Students engage in a lesson introducing them to the concept of return on investment, or ROI. Return on investment is a basic principle that should be understood before investing money.
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Building Budgets
Students explore New York City's bid to host the 2012 Olympic Games. They estimate budget allocations for such a proposal while practicing the calculation of percentages.
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Who Would Have Figured?
Learners investigate what happens when a coin is tossed a few times versus many times. They analyze, in groups, the data from tossing coins, and the Law of Large Numbers.