Math Curriculum

Level B Units

Click on the tabs below to view the key lessons for each unit of Level B. Within each key lesson, you will find related lessons that support the key lesson’s topic. Some key lessons below are labeled as “optional.” Instructors with a faster-paced class that only needs to review major concepts might skip these lessons, while instructors whose students need more thorough coverage and review of the content or that have not completed a related unit might use these optional lessons. 

Click on the hyperlinked lesson description to learn more about each key lesson. The numbers show the grade, unit, and lesson number of the lesson.

Key Lesson

Lesson Topic

3.1.3 (Use some or all) Scaled picture graphs
3.1.8 (Use some or all) Questions about scaled bar graphs



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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

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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