Illustrative Mathematics
Level A
Unit: Numbers and Operations and Algebraic Thinking
Key Lesson 1.3.10 Addition and Subtraction with a Ten
Lesson topic: Addition and subtraction with a ten value
Instructor Materials
- Teacher Guide
- Slides
- CCRS Standard: 1.NBT.2b, 1.OA.4, 1.OA.6, 1.OA.8
- Learning goal: Find the value that makes an equation true where the total is a teen number. Use the relationship between addition and subtraction to find missing values.
- 1.3 Assessment and Practice Problems
Student Materials
Related Lessons
Preparation
If students need additional lessons before this key lesson, use these supplemental lessons.
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