Scholastic
Scholastic: Adventures in Math: Lesson 2: Saving Money by Finding the Better Buy
Students will be able to make economically sound purchasing decisions by using unit pricing, calculating discounts, and analyzing fixed and variable costs.
AAA Math
Aaa Math: Consumer Math
From basics such as adding and subtracting money, converting coins, and making change to more advanced topics such as sales tax and simple interest, this interactive tutorial offers help with consumer math issues.
Khan Academy
Khan Academy: Discount, Tax, and Tip Word Problems
Practice solving word problems involving price discounts, taxes, and tip calculations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
National Council of Teachers of Mathematics
Ntcm: Math Challenge: Perplexing Percentages
Test your bargin shopping skills by figuring out which discount offers the greatest savings. A one page activity from the NCTM Math Challenges for Families series that focuses on understanding and calculating percentages. Connections...
Oswego City School District
Regents Exam Prep Center: Percents of Increase, Decrease, Discount
Use this lesson with examples in planning instruction on percent of increase, decrease, and discount. In this resource, you'll find three questions with solutions on ways to determine percent.
National Council of Teachers of Mathematics
The Math Forum: Markdown Savings
This site from the Drexel University contains problems for practicing using percents, using a mock sale as the motif. A link takes you to a model solution.
Education Development Center
Tune in to Learning: Multiple Percents
Have you ever seen an item that you wanted on sale for 15% of its original price? Have you tried to figure out what the sale price would be? Using this interactive lesson from T.V. 411, you can learn to calculate discounts with percentages.
PBS
Pbs: The Lowdown: Percents Combined: Proportional Relationships With Multistep Ratio and Percent Problems
Learn how to calculate sale price when combining two "percent-off" discounts in this video from KQED. In the accompanying classroom activity, students develop and share a variety of strategies, including modeling with a 10 x 10 grid to...
PBS
Pbs: The Lowdown: Defining and Calculating Percents
Explore methods for calculating and comparing discounts in this video from KQED. In the accompanying classroom activity, students develop different strategies for calculating and comparing discounts, including percent off a price,...
Yale University
Yale New Haven Teachers Institute: Solving Problems "By the Hundreds"
The Yale-New Haven Teachers Institute site contains various math exercises relating to percentage and consumer-related problems. An explanation of sales tax, a related problem and answer are given.
Other
Tema De Descuento: Metodo De Proporcion
In Spanish. Percent and proportion problems and explanations. Examples are based in the context of discounts. Offers four word problems for students to practice. Solutions are available.
McGraw Hill
Glencoe: Self Check Chapter Test Applying Percents 14 Questions
Use Glencoe's randomly generated self-checking chapter test to assess your knowledge on percent applications. Each question has a "Hint" link to help. After completing the test students can click the "Check It" button and the correct...
McGraw Hill
Glencoe: Self Check Chapter Test Applying Percents 12 Questions
Use Glencoe's randomly generated self-checking chapter test to assess your knowledge on percent applications. Each question has a "Hint" link to help. After completing the test students can click the "Check It" button and the correct...
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
Khan Academy
Khan Academy: Proportion Word Problems
Practice setting up and solving proportions to solve word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Alabama Learning Exchange
Alex: Becoming a Wise Consumer: Comparison Shopping
In this introductory instructional activity to money management for teens, students will use everyday math skills to comparison shop a variety of products. Students will learn several ways to save money, including using store discounts,...
Cuemath
Cuemath: Profit and Loss
A comprehensive guide for learning all about profit and loss with definitions, selling price and cost price, how to calculate profit, profit and loss formula, solved examples, and practice questions.