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.
Interactive
BBC

Bbc: Ks3 Maths: Percentages

For Students 9th - 10th
KS3 Math provides interactive activities on percentages, using pence and pounds. Use the factsheet for percentage information. You may use the worksheet for percentage practice and take the test provided to check your percentage skills....
Handout
Goodwill

Gcf Global: Calculating Percentages

For Students 9th - 10th
Learn how to calculate percentages to help you figure out discounts, interest, and more.
Handout
Goodwill

Gcf Global: Percentages in Real Life

For Students 9th - 10th
Learn how to calculate percentages in real-life situations, from sales tax to discounts to tips.
Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 2 Percent Discount and Sales Tax

For Students 9th - 10th
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of percent discount and sales tax. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Prices Involving Discounts Grade 6

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Find percentages of a total price in order to determine a discount.
Activity
Hopelink

Hopelink: Teaching Percentages

For Teachers 9th - 10th
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.
Activity
National Council of Teachers of Mathematics

Ntcm: Math Challenge: Perplexing Percentages

For Students 3rd - 8th
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...
Whiteboard
ClassFlow

Class Flow: Percentages

For Teachers 9th - 10th
[Free Registration/Login Required] In this flipcharts, students use the interactive tools to solve various rational number problems involving percentages (e.g., percent increase/decrease, tax, commission, and discount).
Whiteboard
ClassFlow

Class Flow: Percentages

For Teachers 9th - 10th
[Free Registration/Login Required] In this flipchart, students use the interactive tools to solve various rational number problems involving percentages. Flipchart contains many sample problems for students to gain plenty of practice.
Unit Plan
Yale University

Solving Problems by the Hundreds

For Students 9th - 10th
This site contains a study of percentage and its applications in the study of consumer related problems. Problems involving sales tax are included. Examples, explanation, solutions and a bibliography are also included in the site.
Activity
Education Development Center

Tune in to Learning: Multiple Percents

For Students 9th - 10th Standards
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.
Activity
Yale University

Yale New Haven Teachers Institute: Solving Problems "By the Hundreds"

For Teachers 9th - 10th
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.
Activity
Other

Tema De Descuento: Metodo De Proporcion

For Students 9th - 10th
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.
Whiteboard
ClassFlow

Class Flow: Sales Tax

For Teachers 9th - 10th
[Free Registration/Login Required] In this flipchart, students apply ratio, percent, and direct proportion in situations. Students solve problems involving percentages such as percent increase/decrease, tax, commission, and discount.
Unknown Type
National Council of Teachers of Mathematics

The Math Forum: Markdown Savings

For Students 9th - 10th
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.
eBook
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help Independent Practice: Percent Change Increase and Decrease

For Students 9th - 10th Standards
Get independent practice working with finding percent increase and decrease. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Handout
Yale University

Yale New Haven Teachers Institute: Commission

For Students 9th - 10th
This site from Yale University provides a description of commission with example problems. Additional topics can be found on the same page.