Organized by the Common Core States Standard (CCSS) Initiative
- Not Common Core? Go to Ontario Curriculum alignment
Use place value understanding and properties of operations to add and subtract.
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Related 3 Act Math Tasks:
How many gummy worms are left in the jar?
Common Core State Standard Alignment: