Common Core Alignment:.

3.OA.8:

Operations And Algebraic Thinking

Solve Problems Involving The Four Operations, And Identify And Explain Patterns In Arithmetic.

Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.3

4.OA.3:

Operations And Algebraic Thinking

Use The Four Operations With Whole Numbers To Solve Problems.

Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.