# Common Core State Standard 2.OA.1

## Operations & Algebraic Thinking

### Represent and solve problems involving addition and subtraction.

1. Use addition and subtraction within 100 to solve one- and two-step
word problems involving situations of adding to, taking from, putting
together, taking apart, and comparing, with unknowns in all positions,
e.g., by using drawings and equations with a symbol for the unknown
number to represent the problem.

#### Common Core State Standards: 2.OA.1

Common Core State Standards:
2.OA.1

Operations & Algebraic Thinking

Represent and solve problems involving addition and subtraction.

One digit addition word problems with 1 and 2 step problems.
Common Core State Standards:
2.OA.1

Operations & Algebraic Thinking

Represent and solve problems involving addition and subtraction.

One digit subtraction word problems with 1 and 2 step problems.
Common Core State Standards:
2.OA.1

Operations & Algebraic Thinking

Represent and solve problems involving addition and subtraction.

Two digit addition word problems with 1 and 2 step problems. No
regrouping.
Common Core State Standards:
2.OA.1

Operations & Algebraic Thinking

Represent and solve problems involving addition and subtraction.

Two Digit Subtraction word problems with 1 and 2 step problems. No
regrouping.