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Article
Khan Academy

Khan Academy: What Is an Apr by Better Money Habits

For Students 9th - 10th
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...
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Interactive
eFunda

Apr Calucaltor

For Students 9th - 10th
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.
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Website
Consumer Financial Protection Bureau

Consumer Financial Protection Bureau: Credit Cards

For Students 9th - 10th
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...
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Lesson Plan
AAA Math

Aaa Math: All About Percents and Ratios

For Teachers 3rd - 8th Standards
This AAA Math tutorial covers calculating percents, relationships of percents to fractions and decimals, and uses of percents.
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Activity
Oswego City School District

Regents Exam Prep Center: Counting Activity With Percents

For Students 9th - 10th
The learning activity explores percents. Students calculate percents using a table and answer questions on the math concept.
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Unit Plan
Cuemath

Cuemath: Discounts

For Students 9th - 10th
A comprehensive guide for learning all about discounts with definitions, how to calculate a discount, solved examples, and practice questions.
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Activity
University of Cambridge

University of Cambridge: Nrich: Put Out the Flags

For Students 5th - 8th Standards
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.
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eBook
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help Independent Practice: More Application of Percents

For Students 9th - 10th Standards
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.
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Conversion of Decimals, Fractions, and Percent

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Convert decimals to percents, percents to decimals and fractions, and fractions to percents.
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Conversion of Decimals, Fractions, and Percent

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Identify equivalent ratios as fractions, decimals, and percents.
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Lesson Plan
Utah Education Network

Uen: Design Your Own Bedroom

For Teachers 6th - 8th
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...
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Activity
University of Cambridge

University of Cambridge: Nrich: The Magic Number and the Hepta Tree

For Students 3rd - 8th Standards
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.
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Unknown Type
Other

Ged Middle School Mathematics Practice Problems: Finding the Percent of Change

For Students 6th - 8th Standards
Eight questions to practice calculating percent decrease or increase. Both math problems and word problems included.
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Activity
Free Math Help

Free Math Help: Batting Average

For Students 3rd - 8th
Here is an explanation about how to calculate a player's batting average.
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Interactive
Fun Brain

Funbrain: Penguin Waiter

For Students 5th - 8th
Calculate the correct tip to leave the waiter.
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Activity
Help Algebra

Help algebra.com: Percents

For Students 9th - 10th
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.
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Activity
Shmoop University

Shmoop: Ratios & Percentages: Working With Percents

For Students 9th - 10th Standards
Students learn how to find a percent of a number. The mathematics resource consists of examples and practice problems with answers.
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Unit Plan
CK-12 Foundation

Ck 12: Percent Composition and Empirical & Molecular Formulas

For Students 9th - 10th
[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...
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Activity
Other

Achieve: Miniature Golf Design Task [Pdf]

For Teachers 9th - 10th
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,...
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Lesson Plan
Social Science Education Consortium

Ssec: Employment Unemployment: How Can Both Rates Rise at the Same Time? [Pdf]

For Teachers 9th - 10th
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...
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Interactive
Smithsonian Institution

Smithsonian Education: Idea Labs: Prehistoric Climate Change

For Students 9th - 10th
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...
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Unit Plan
TeachEngineering

Teach Engineering: Students as Scientists

For Teachers 6th - 9th
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...
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Website
PBS

Pbs Learning Media: Living With Diabetes

For Students 6th - 8th
A patient discusses diabetes and how he manages his carbohydrate intake in this video segment from TV 411.
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Activity
Texas Instruments

Texas Instruments: Science Today Breast Cancer Risks

For Teachers 9th - 10th
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,...