Khan Academy
Khan Academy: What Is an Apr by Better Money Habits
You may have seen the term APR, or annual percentage rate, used in reference to everything from mortgages and auto loans to credit cards. In this piece, we look at credit card APRs which you've probably seen listed on your monthly...
eFunda
Apr Calucaltor
This site is an interactive site that will calculate the APR when given the loan amount, the extra cost, the interest rate, and the number of months of the loan.
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...
AAA Math
Aaa Math: All About Percents and Ratios
This AAA Math tutorial covers calculating percents, relationships of percents to fractions and decimals, and uses of percents.
Oswego City School District
Regents Exam Prep Center: Counting Activity With Percents
The learning activity explores percents. Students calculate percents using a table and answer questions on the math concept.
Cuemath
Cuemath: Discounts
A comprehensive guide for learning all about discounts with definitions, how to calculate a discount, solved examples, and practice questions.
University of Cambridge
University of Cambridge: Nrich: Put Out the Flags
Sharpen your logic and percent skills while working on this challenge. A strategy for solving the problem and the solution are available from links on the left.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: More Application of Percents
Get independent practice with more applications of percents to real world situations. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
CK-12 Foundation
Ck 12: Arithmetic: Conversion of Decimals, Fractions, and Percent
[Free Registration/Login may be required to access all resource tools.] Convert decimals to percents, percents to decimals and fractions, and fractions to percents.
CK-12 Foundation
Ck 12: Arithmetic: Conversion of Decimals, Fractions, and Percent
[Free Registration/Login may be required to access all resource tools.] Identify equivalent ratios as fractions, decimals, and percents.
Utah Education Network
Uen: Design Your Own Bedroom
Many young scholars dream of designing their ideal bedroom. In this exercise, students will be required to limit their designs by size (as a specific volume) and price (a specific amount). They must design the floor plan, including...
University of Cambridge
University of Cambridge: Nrich: The Magic Number and the Hepta Tree
Use your calculator to help you solve this challenge at this one page website. You can check your solution with only one click of the mouse.
Other
Ged Middle School Mathematics Practice Problems: Finding the Percent of Change
Eight questions to practice calculating percent decrease or increase. Both math problems and word problems included.
Free Math Help
Free Math Help: Batting Average
Here is an explanation about how to calculate a player's batting average.
Help Algebra
Help algebra.com: Percents
Converting percents to and from decimals and fractions is demonstrated in detailed examples. Once the concept is understood, you can use it to solve equations that contain percents.
Shmoop University
Shmoop: Ratios & Percentages: Working With Percents
Students learn how to find a percent of a number. The mathematics resource consists of examples and practice problems with answers.
CK-12 Foundation
Ck 12: Percent Composition and Empirical & Molecular Formulas
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will learn to calculate the percent composition of a compound either from mass data or from the chemical formula. They will use...
Other
Achieve: Miniature Golf Design Task [Pdf]
In this task students are asked to combine numerous skills to create a miniature golf hole. Students create a scale drawing of the hole, calculate the area of the hole and determine the percentage of total area used. In addition,...
Social Science Education Consortium
Ssec: Employment Unemployment: How Can Both Rates Rise at the Same Time? [Pdf]
In this investigation, students are asked to explain a Wall Street Journal (WSJ) announcement about unemployment, and look for a contradiction in the message. Then they are introduced to the definitions of employment, unemployment, and...
Smithsonian Institution
Smithsonian Education: Idea Labs: Prehistoric Climate Change
Sort fossil leaves from 55 million years ago into groups with smooth or 'toothed' edges. Then, use a formula to calculate the percentage of each type and, from there, look at how high the temperature might have risen when global warming...
TeachEngineering
Teach Engineering: Students as Scientists
This curricular unit contains two lessons that let students actually do the work of scientists as they design their own experiments to answer questions they generate. In the first lesson and its associated activity, students conduct a...
PBS
Pbs Learning Media: Living With Diabetes
A patient discusses diabetes and how he manages his carbohydrate intake in this video segment from TV 411.
Texas Instruments
Texas Instruments: Science Today Breast Cancer Risks
The USA TODAY Snapshot? "Breast cancer risks" shows the percentage of women in several age categories that, statistically, develop breast cancer. Students will notice that the percentages increase as women get older. In this activity,...