All too often stores give coupons for an item, but when you go into buy it, the item is on discount.  The store won’t take the coupon if the discount is used. So what do you do, use the coupon or take the discount? This activity...

What a bargain—an informative, free resource! Given prices of several objects, learners determine whether 20 percent off or $20 off would be a better bargain. They use the results to come up with a generalization of the situation.

A boss who can't do math? Oh, no! Young entrepreneurs use linear and exponential models to determine which discount will yield the most profit on ticket sales.

Everyone loves a good sale! A straightforward lesson provides practice with calculating a percent off of a product. Using ads from Amazon, individuals calculate the percent off the ad does not show. Pupils see the answer after revealing...

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...

More money for me! Scholars explore two different coupons for Bed Bath & Beyond, one for 20 percent off and one for $5 off an item. Using some concrete examples, they determine conditions for when each coupon would be more beneficial.

Collaborative discussions around this retail store problem will be taxing. Calculating discount and tax and the order of the operations are used to motivate an opportunity for learners to make a convincing argument using algebraic...

Everyone likes to save money! Use your math skills to figure out just how much you can save on a pair of sweet shoes. A vendor is running a percent off sale, with a percent off coupon, and a specific dollar amount coupon—and lets you use...

Everyone loves a sale, and this worksheet allows learners to calculate which sale is more rewarding. The activity can be adapted for different thinking contexts. The answer key describes different answer choices, some being higher...

Students explore percentages in real world situations. In this percents lesson, students determine the final sales price after discounts. Students interview community members and determine how percentages are used in the real world.

Everyone loves a good deal, and your mathematician's job is to calculate the original price when given the discount. A different type of problem than the traditional "find the percent change" has your learners working backwards to...

How much money can Bob expect to make per customer by selling bagels? This short expected value problem can be used as a warm up or a quick assessment at the end of a more detailed lesson. Teacher commentary includes the solution to the...

Students complete activities that focus on food and nutrition. In this food lesson plan, students sort foods into healthy and not healthy, categorize them into ground and tree sorts, draw their favorite foods, make abc books of food, and...

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...

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.

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.

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.

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.

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.