Math Curriculum
Level B
Unit: Multiplication and Division
Lesson 3.2.3 Tile Rectangles
Instructor Materials
- Teacher guide
- Slides
- Time to Tile handout
- Card Sort Rectangles handout
- CCRS standard: 3.MD.5
- Learning goal: Explain that rectangles that can be covered by the same number of unit squares without gaps or overlaps have the same area. Find the area of rectangles (within 24 square units) by counting unit squares.
- 3.2 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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