k.oa.4

K.OA.4 - Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from

Operations and Algebraic Thinking- Making ten 2

Mission: Early Math, Addition and subtraction

Operations and Algebraic Thinking- Making five

Mission: Early Math, Addition and subtraction

Operations and Algebraic Thinking- Making ten

Mission: Early Math, Addition and subtraction