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# Words that Describe Patterns

## Use variable expressions to solve real-world problems.

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.

## Variable Expressions

Choose variables and write expressions.
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## Words that Describe Patterns

Translate a verbal expression into an algebraic equation or inequality.
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## Connect Variable Expressions and the Order of Operations with Real-World Problems

Learn how to write a real world problem as a variable expression and how to evaluate the expression you have written using the order of operations.
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• Video

## Write Equations and Inequalities: A Sample Application

This video demonstrates a sample use of the principles of writing equations and inequalities.
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• Video

## Write Equations and Inequalities: An Explanation of the Concept

This video provides an explanation of the concept of writing equations and inequalities.
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• Video

## Integer Sums

Demonstrates how to solve word problems involving a single variable.
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## Variable Expressions Quiz

Quiz for Variable Expressions.
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• Critical Thinking

## Words that Describe Patterns Discussion Questions

A list of student-submitted discussion questions for Words that Describe Patterns.
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• Critical Thinking

## Variable Expressions Discussion Questions

A list of student-submitted discussion questions for Variable Expressions.
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• Real World Application

## Cheez Its

Use patterns, equations and inequalities to figure out how many Cheez Its you can eat, based on a 2000 calorie diet.
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• Real World Application

## Inflated Expectations

Find out what inflation is and how it affects your life.
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• Real World Application

## Planets

How long does it take for each planet to rotate around the sun in terms of the earth's rotation?
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• Study Guide