Math Curriculum
Level A
Unit: Numbers and Operations and Algebraic Thinking
Key Lesson 1.1.5 Explore Addition and Subtraction
Lesson topic: Addition and subtraction
Instructor Materials
- Teacher guide
- Slides
- Check It Off Stage 2 Recording Sheet resource
- Level A Centers: Check it Off stages 1&2, Counting Collections stage 1, Five in a Row: Addition and Subtraction stages 1&2, Number Race stage 3
- CCRS standard: 1.OA.5, 1.OA.6
- Learning goal: Add and subtract within 10 in a way that makes sense to them.
- 1.1 Assessment and Practice Problems
Student Materials
Related Lessons
Preparation
If students need additional lessons before this key lesson, use these supplemental lessons.
Review and Extend
Use these supplemental lessons if needed after teaching this key lesson.
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).
3. The Illustrative Mathematics® name and logo are not subject to the Creative Commons license and may not be used without the prior and express written consent of Illustrative Mathematics®.
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