Illustrative Mathematics
Level A
Unit: Numbers and Operations and Algebraic Thinking
Lesson 1.3.11 Add to a Teen Number
Lesson topic: Addition to a teen number
Instructor Materials
- Teacher Guide
- Slides
- Level A Centers: Compare stage 1, Find the Pair stage 2, Number Puzzles stage 1
- CCRS Standard: 1.OA.6, 1.OA.7, 1.OA.8
- Learning goal: Add within 20 when one addend is a teen number.
- 1.3 Assessment and Practice Problems
Student Materials
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