Mathematics | Grade : K
Domain - Operations and Algebraic Thinking
Cluster - Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
[K.OA.A.4] - For any number from 1 to 9, find the number that makes 10 when added to the given number, e.g., by using objects or drawings, and record the answer with a drawing or equation.
[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).