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# Patterns and Expressions

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.

## Patterns and Expressions

Write and solve algebraic equations that model verbal situations.

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• Video

## Write an Equation: A Sample Application

This video demonstrates a sample use of the principles of writing an algebraic equation.

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• Video

## Write an Equation: An Explanation of the Concept

This video provides an explanation of the concept of writing an algebraic equation.

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• Practice
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## Patterns and Expressions Practice

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• Critical Thinking

## Patterns and Expressions Discussion Questions

A list of student-submitted discussion questions for Patterns and Expressions.

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## Patterns and Expressions Pre and Post Read

To organize ideas, increase comprehension, synthesize learning, demonstrate understanding of key concepts, and reinforce vocabulary using a Quickwrite.

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## Patterns and Expressions Four Square Concept Matrix

Summarize the main idea of the Concept, create visual aids or make notes about formulas and create connections to real-world situations.

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• Real World Application