Illustrative Mathematics
Level A
Unit: Numbers and Operations and Algebraic Thinking
Lesson 1.3.18 Patterns in Addition
Lesson topic: Addition
Instructor Materials
- Teacher Guide
- Slides
- Compare Stage 2 Addition Cards to 20 resource
- Level A Centers: Compare stage 1, Number Puzzles stages 1&2, Shake and Spill stages 3-5
- CCRS Standard: 1.OA.6, 1.OA.8
- Learning goal: Look for and use patterns in addition expressions to add within 20. Make a ten to find the sum of two numbers within 20.
- 1.3 Assessment and Practice Problems
Student Materials
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