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 several ways. It is up to your future consumers to see which method is correct. Stress common percentages such as ten and twenty percent.

Concepts

properties of operations, mathematical properties, rational numbers

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Additional Tags

properties of operations, expression, percent discount, rational number, math

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Pros

• Show two different methods for calculating percentages
• Relates well to math learners

Cons

• None

Common Core

7.EE.B.3