Lesson Plan
Illustrative Mathematics

Discounted Books

For Teachers 6th - 8th Standards
Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...
Worksheet
Curated OER

Percent of Change, Discounted Price, and Total Price

For Students 7th - 9th
For this percent of change worksheet, students find the percent of increase and the percent of decrease.  They compute sales tax and determine the final price.  Students also figure the discounted price of an...
Lesson Plan
Curated OER

Percent and Percentage Problems

For Teachers 9th - 11th
In this Algebra I/Algebra II worksheet, students solve application problems involving percents, percent error, and percent of increase or decrease.  The two page worksheet contains a combination of fourteen multiple choice and free...
Worksheet
Curated OER

Proportions and Percents

For Students 9th
In this Algebra I worksheet, 9th graders use proportions to solve problems involving percents.  The one page worksheet contains a combination of ten multiple choice and free response problems.  Answers are provided. 
Lesson Plan
Curated OER

Computing Discounts

For Teachers 7th - 9th
In this computing discounts worksheet, students with a partner problem solve and calculate the answers to ten word problems and mathematical equations involving sales price, discounts, percents and decimals.
Worksheet
Curated OER

Percent of Change

For Students 8th - 10th
In this algebra worksheet, students convert between percents and decimals. They calculate sales tax, discounts and relative errors. There are 4 questions with an answer key.
Worksheet
Curated OER

Markup, Discount, and Tax (Harder)

For Students 8th - 9th
In this algebra worksheet, students calculate prices with taxes and percents attached. They figure the finals price for each problem after they correctly compute the taxes and percent. There are 16 problems on this worksheet.