CCSS Math Standards

Standards

Math
K.OA.1
K
Operations & Algebraic Thinking
Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from. Represent addition and subtraction with objects, fingers, mental images, drawings (drawings need not show details, but should show the mathematics in the problem), sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
I can understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.