5.OA.A.2

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- 5.OA.A.1Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.
- 5.OA.A.2Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation "add 8 and 7, then multiply by 2" as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product.

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## 5.OA.A.2

## Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation "add 8 and 7, then multiply by 2" as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product.

10 Lesson(s)

### Evaluating Expressions

5th Grade Math »
Unit: Numerical Expressions and Patterns

5th Grade Math »
Unit: Numerical Expressions and Patterns

Big Idea:

#### This lesson is part of laying the foundation for algebraic thinking, including an understanding that cracking the code can be fun! Students view an algebraic expression as a challenging code to make sense of.

Standards:

Favorites
(20)

Resources
(21)

Reflections
(1)

### The Challenge of Directions

5th Grade Math »
Unit: Numerical Expressions and Patterns

5th Grade Math »
Unit: Numerical Expressions and Patterns

### Choice Time Continued

5th Grade Math »
Unit: Numerical Expressions and Patterns

5th Grade Math »
Unit: Numerical Expressions and Patterns

### Expressions and Word Problems

7th Grade Math »
Unit: Operations with Rational Numbers

7th Grade Math »
Unit: Operations with Rational Numbers

### Writing Numerical Expressions

5th Grade Math »
Unit: Operations & Algebraic Thinking

5th Grade Math »
Unit: Operations & Algebraic Thinking

### Interpreting Numerical Expressions

5th Grade Math »
Unit: Operations & Algebraic Thinking

5th Grade Math »
Unit: Operations & Algebraic Thinking

### Mirror Image Review

5th Grade Math »
Unit: Operations & Algebraic Thinking

5th Grade Math »
Unit: Operations & Algebraic Thinking

### Math Maps (Part 3)

5th Grade Math »
Unit: Bringing It All Together

5th Grade Math »
Unit: Bringing It All Together

### Using Order of Operations & Parentheses

5th Grade Math »
Unit: Operations & Algebraic Thinking

5th Grade Math »
Unit: Operations & Algebraic Thinking

Common Core Math

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Kindergarten

First Grade

Second Grade

Third Grade

Fourth Grade

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Sixth Grade

Seventh Grade

HS Number & Quantity

HS Algebra

HS Functions

HS Geometry

Kindergarten

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Ninth and Tenth Grade

Kindergarten

First grade

Second grade

Third Grade

Fourth grade

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Middle School