Math Curriculum
Level D
Unit: Geometry
Lesson 8.8.1 The Areas of Squares and Their Side Lengths
Instructor Materials
- Teacher guide
- Slides
- Practice Problems resource
- Making Squares resource
- CCRS standard: 8.NS.2
- Learning goal: Calculate the area of a tilted square on a grid by using decomposition, and explain (orally) the solution method. Estimate the side length of a square by comparing it to squares with known areas, and explain (orally) the reasoning.
- 8.8 Assessments and Related Lessons
Student Materials
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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