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Standards/Math/District of Columbia/K.OA.A.3

K.OA.A.3

K.OA.A Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
K.OA.A.1
K.OA.A.2
K.OA.A.3
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K.OA.A.5

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.

Khan Academy Resources
Making small numbers in different ways
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