Math Curriculum
Level A Units
Click on the tabs below to view the key lessons for each unit of Level A. 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 |
| 1.1.5 (Optional) | Addition and subtraction |
| 1.1.13 (Optional) | Questions about data |
| 1.3.5 | Find the difference (within 10) |
| 1.3.8 (Optional) | Tens value |
| 1.3.10 | Addition and subtraction with a ten value |
| 1.3.12 | Subtraction from a teen number |
| 1.3.16 | Addition of three numbers |
| 1.3.19 | Addition within 20 |
| 1.3.24 | Relating counting to addition and subtraction |
| 1.4.4 | Addition and subtraction of multiples of 10 |
| 1.4.9 | Representing two-digit numbers |
| 1.4.11 | Adding tens to two-digit numbers |
| 1.4.16 | Comparisons of numbers with symbols |
| 1.4.21 | Comparing two-digit numbers |
| 1.5.3 | Addition of two-digit numbers |
| 1.5.6 | Addition using equations |
| 1.5.10 | Addition of two-digit numbers |
Key Lesson |
Lesson Topic |
| K.3.8 | Drawing geometric shapes |
| K.7.11 (Optional) | Comparing and sorting solid shapes |
| 1.6.7 | Measurement of length with different units |
| 1.7.7 | Putting together flat shapes |
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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