Math Studio Talk: Common Core Instruction for 2.OA
Welcome to “Math Studio Talk” a video series that provides games, activities and models to help students develop flexible thinking and deep understanding of math concepts from kindergarten to Grade 5. These videos not only provide tips that keep students engaged in math, but they also demonstrate key concepts that build students’ conceptual understanding and highlight the coherence in the standards from one grade to the next. Watch these video on your own or with your colleagues.
This video addresses the second grade math standards and includes such topics as:
- Represent and solve problems involving addition and subtraction.
- Add and subtract within 20.
- Work with equal groups of objects to gain foundations for multiplication.
Common Core Learning Standards
|2.OA.1||Use addition and subtraction within 100 to solve one- and two-step word problems involving...|
|2.OA.2||Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory...|
|2.OA.3||Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by...|