# Operations and Algebraic Thinking - K Grade Common Core Math

## K.OA.1

Represent addition and subtraction with objects, fingers, mental images, drawings, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.

Add With Pictures up to 5

Add With Pictures up to 10

Subtract With Pictures up to 5

Subtraction Sentences up to 5

Subtract With Pictures up to 10

Subtraction Sentences up to 10

## K.OA.2

Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.

Subtraction Word Problems

## K.OA.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).

Make a Number up to 5

Make a Number up to 10

## K.OA.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.

Make a Ten

## K.OA.5

Fluently add and subtract within 5.