Math Curriculum
Level B
Unit: Multiplication and Division
Key Lesson 3.1.14 Write and Solve Equations With Unknowns
Lesson topic: Multiplication equations with unknowns (using diagrams)
Instructor Materials
- Teacher guide
- Slides
- Card Sort Unknown Numbers handout
- CCRS standard: 3.OA.1, 3.OA.4
- Learning goal: Relate equations to multiplication situations and diagrams using a symbol for the unknown number. Write equations for multiplication situations and diagrams using a symbol for the unknown number.
- 3.1 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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