Fun Brain
Fun Brain: Penguin Waiter (Calculating Percents Game for Super Brains)
Given the total price paid for a meal, including the tip (given as a percentage of the meal's cost), players are asked to calculate the original bill.
Fun Brain
Fun Brain: Penguin Waiter (Calculating Percents Game)
Players must calculate the correct tip to leave their penguin waiter based on a percentage of the cost of their meals.
Other
Quick Math: Numbers Percentages
This QuickMath activity changes percentages to decimals or fraction and vice versa. It also calculates a certain percent of a number or vice versa.
CK-12 Foundation
Braingenie: Whole Number Percentage Calculations Without Units
[Free Registration/Login may be required to access all resource tools.] In this activity, students are to determine the percent of a number. Watch a video for additional help and answer a practice problem.
Other
Colgate University: Calculate Theoretical and % Yield
Good site for background and a thorough step by step method to solving problems.
American Heart Association
American Heart Association: Body Mass Index (Bmi Calculator)
Learn about body mass index and how this number affects your overall health. Then plug in your own data to find your BMI.
National Council of Teachers of Mathematics
Nctm: Figure This: Majority Vote
Cast your vote for this math challenge that explores calculating percentages as it relates to voting. Discover how mastering this skill will be beneficial in real life situations. A one page activity from the NCTM Math Challenges for...
PBS
Pbs Teachers: Sports and Math: Batting Averages and More
Set up a spreadsheet using a computer or graphing calculator, and perform calculations using columns. Calculate percentages and solve a system of equations regarding baseball statistics.
Amby Duncan-Carr
Amby's Math Instruction: Using the Proportion Method to Solve Percent Problems
Learn to use the Proportion Method to calculate percentage problems, then practice your skill at the bottom of the page. Extra practice is provided for solving problems with percents. The site allows you to check your answer after...
Math Drills
Math Drills: Percents Worksheets
Download these worksheets to sharpen your percent calculation skills. Sheets focus on the percentage of a number, percentage rate, and percentage increase/decrease.
Wyzant
Wyzant: Algebra Help
Heres a comprehensive review of the basics of algebra. WyzAnt includes lessons on varied topics, calculators that show step-by-step solutions, and interactive worksheets for practicing and testing your skills. Just choose a topic and use...
Education Development Center
Tune in to Learning: Understanding Interest
Using this interactive lesson, you'll calculate compound interest and compare interest rates. In addition to learning about interest, you will also be learning about taking out a mortgage on a home. Three activities with questions...
PBS
Pbs Learning Media: A Tip on Tipping
This TV 411 segment features a lesson from Question Man on how to informally calculate 15% tips at restaurants.
PBS
Pbs Learning Media: What's in That Box of Cookies, Anyway?
In this video segment from TV 411, learn how to read nutrition labels on food containers and calculate the calorie content of different serving amounts.
PBS
Pbs: The Lowdown: The Math of Trash: Percents and Proportions
Discover how percents and proportions help explain issues like climate change, composting, and zero waste in this video from KQED. In the accompanying classroom activity, students estimate the percentage of various types of trash that...
PBS
Pbs: Real Life Math: Physical Trainer
The general manager of a fitness center explains how numerical calculations, percentages, and ratios are critical to his job in this video from KAET. In the accompanying classroom activity, students explore percentages, fractions, and...
Texas Instruments
Texas Instruments: Picturing Percents
In this activity, students represent percents on a 10 X 10 grid. They use the grid and the calculator to generate patterns that lead to methods for calculating percentages.
Council for Economic Education
Econ Ed Link: Be All You Can Be for Minimum Wage? (Educator Page)
This lesson plan ask students to calculate the percentage change in military strength over the last two decades, hypothesize economic (and non-economic) explanations for these changes, test hypothetical explanations by reading an...
Council for Economic Education
Econ Ed Link: Be All You Can Be for Minimum Wage? (Student Page)
This lesson ask students to calculate the percentage change in military strength over the last two decades, hypothesize economic (and non-economic) explanations for these changes, test hypothetical explanations by reading an economic...
Microsoft
Microsoft Education Virtual Tour: Batter Up!
This downloadable (2.7 MB Microsoft PowerPoint file) project helps students apply their knowledge of fractions and decimals to the game of baseball. They compute batting averages and hitting percentages and participate in a simulated...
Texas Instruments
Texas Instruments: Election Night With Percent
The students will be working primarily with the concept of % of a number. They will calculate the number of people expected to vote when given the population and % of registered voters along with historical data on percentage of voter...
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...