Illustrative Mathematics
Level A
Unit: Numbers and Operations and Algebraic Thinking
Lesson 1.3.14 Addition and Subtraction Centers (Within 20), Part 1
Lesson topic: Addition and subtraction within 20
Instructor Materials
- Teacher Guide
- Slides
- Number Puzzles: Addition and Subtraction Stage 2 Gameboard resource
- Level A Centers: Compare stage 1, Number Puzzles stage 1, Shake and Spill stages 3-5
- CCRS Standard: 1.OA.6, 1.OA.7, 1.OA.8
- Learning goal: Add and subtract within 20.
- 1.3 Assessment and Practice Problems
Student Materials
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