KindergartenAddition & Subtraction

K.OA.A.3

Break a number into two parts more than one way — 5 is 4 and 1, or 3 and 2.

Worksheets for this standard 1 topic

Break Apart a Number1 way

The standard, officially

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).

Builds on

K.OA.A.2Solve add and subtract stories to 10

Leads to

K.OA.A.4Find the partner that makes 10 K.OA.A.5Add and subtract within 5 K.NBT.A.1See teen numbers as ten and ones 1.OA.C.6Add and subtract within 20