4.5 Solve Markup and Markdown Problems

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MATHEMATICS OBJECTIVE

Students will be able to:

understand and calculate percent markups and markdowns.

ESSENTIAL UNDERSTANDING

Students will understand that a markup is a percent increase and a markdown is a percent decrease. The methods used to calculate percent change can be used to calculate markups and markdowns.

4.5 Blank Notes

4.5 Filled Notes

4.5 Notes Video

I can solve authentic problems involving markup and markdown.

I can understand the percent equation and the different ways it can be used.

Accessible text

You can solve markup and markdown problems using the percent equation.

Markup: New value is greater than original value.

markup = percent markup × original value

[Diagram: new value bar is longer than original value, labeled 100%; additional length is amount of markup.]

Markdown: New value is less than original value.

markdown = percent markdown × original value

[Diagram: new value bar is shorter than original value, labeled 100%; difference is amount of markdown.]

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