Math Curriculum
Level D
Unit: Percent
Key Lesson 7.4.8 Percent Increase and Decrease with Equations
Lesson topic: Representing percent change with equations
Instructor Materials
- Teacher guide
- Slides
- Practice Problems resource
- CCRS standard: 7.RP.3
- Learning goal: Explain (orally and in writing) how to calculate the original amount given the new amount and a percentage of increase or decrease. Generate algebraic expressions that represent a situation involving percent increase or decrease, and justify (orally) the reasoning.
- 7.4 Assessment and Practice Problems
Student Materials
Related Lessons
Preparation
If students need additional lessons before this key lesson, use these supplemental 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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