Standard
- CCSS.Math.Content.K.OA
- Operations and Algebraic Thinking
- CCSS.Math.Content.K.OA.A
- Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
- CCSS.Math.Content.K.OA.A.3
- Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).