Math Curriculum
Level D
Unit: Percent
Lesson 7.4.6 Increasing and Decreasing (Percents)
Instructor Materials
- Teacher guide
- Slides
- Practice Problems resource
- CCRS standard: 7.RP.3
- Learning goal: Coordinate statements about “percent increase” or “percent decrease” with comparisons to the original amount, e.g., a 20% increase means the new value is 120% of the original value. Draw and label a tape diagram to represent a situation that involves adding or subtracting a percentage of the initial value. Explain (orally and in writing) how to calculate the new amount given the original amount and a percentage of increase or decrease.
- 7.4 Assessments and Related Lessons
Student Materials
Used with permission:
1. IM K-5 Math was originally developed by Open Up Resources (OUR) and authored by Illustrative Mathematics® (IM), and is copyrighted 2017-2019 by Open Up Resources. It is licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). OUR's K-5 Math Curriculum is available at https://openupresources.org/math-curriculum/.
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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