Examples for

# Common Core Math: Grade 4: Algebraic Thinking

In fourth grade, students gain fluency with whole-number arithmetic, including by using addition, subtraction, multiplication and division to solve multistep word problems. Students write equations in which a variable stands for the unknown quantity. Students determine multiples and divisors of whole numbers and distinguish between prime and composite numbers. Students also generate and analyze patterns of numbers and build skills in mental computation and estimation.

### Common Core Standards

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### Factors & Multiples

Find factors and multiples of whole numbers.

#### Find all divisors of a number (CCSS.Math.Content.4.OA.B.4):

#### Determine if a number is a multiple of a given digit (CCSS.Math.Content.4.OA.B.4):

#### Determine if a number is prime (CCSS.Math.Content.4.OA.B.4):

### Multiple Operations

Perform addition, subtraction, multiplication and division.

#### Represent multiplication as a comparison (CCSS.Math.Content.4.OA.A.1):

#### Solve an equation for an unknown (CCSS.Math.Content.4.OA.A.2):

#### Solve multistep equations (CCSS.Math.Content.4.OA.A.3):

### Patterns

Generate and analyze patterns.