# Common Core Standards: Math

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#### The Standards

# Grade 3

### Operations & Algebraic Thinking 3.OA.D.8

**8. 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}**

### Aligned Resources

- Two Step Word Problems Involving Basic Operations - Math Shack
- Word Problems Involving Addition, Subtraction, Multiplication, and Division - Math Shack
- Word Problems Involving Multiplication - Math Shack
- Using the Order of Operations to Simplify Expressions Involving Addition, Subtraction, and Multiplication - Math Shack