# Numerical Expression Evaluation

## Use properties of equality and order of operations.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Numerical Expression Evaluation

Discover how to use the order of operations to verify that solutions to numerical equations are correct.
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• PLIX

## Numerical Expression Evaluation: Math Detective

Numerical Expression Evaluation Interactive
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• Video

## Introduction to Order of Operations

Demonstrates the order of operation you follow to complete a math problem.
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• Video

## Example 1: Evaluate the Answer using Order of Operations

Provides one example of evaluating an expression using the order of operations.
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• Video

## Example 2: Evaluate the Answer using Order of Operations

Provides a second example of evaluating an expression using the order of operations.
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• Video

## Multiplying Fractions

Learn to multiply fractions.
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• Video

## Multiplication Involving Fractions

Explains how to simply fractions before multiplying them together. It provides two examples of multiplication with fractions.
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• 1
• Real World Application

## Cooking with Computers

Find out what chefs and computer programmers have in common.
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