Math Curriculum
Level D
Unit: Percent
Key Lesson 7.4.12 Finding the Percentage
Lesson topic: Percent applications
Instructor Materials
- Teacher guide
- Slides
- Practice Problems resource
- Info Gap: Sporting Goods resource
- CCRS standard: 7.RP.3
- Learning goal: Determine what information is needed to solve a problem involving sales tax and discounts. Ask questions to elicit that information. Explain (orally) how to calculate the percentage, given the dollar amounts before and after a sales tax, tip, or discount. Interpret (orally and in writing) tape diagrams that represent situations involving a sales tax, tip, or discount.
- 7.4 Assessment and Practice Problems
Student Materials
Related Lessons
Review and Extend
Use these supplemental lessons if needed after teaching this key lesson.
Used with permission:
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2. Adaptations and updates to IM K-5 Math are copyrighted 2019 by Illustrative Mathematics®, and are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).
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