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# Proportion Properties

## Two ratios set equal to each other.

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.

## Proportion Properties

This concept teaches students how to set up and solve proportions.
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## Proportion Properties: Holiday Album Cover

Proportion Properties Interactive
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## Proportion Properties Principles

This video gives more detail about the mathematical principles presented in Proportion Properties.
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## Proportion Properties Examples

This video shows how to work step-by-step through one or more of the examples in Proportion Properties.
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• Critical Thinking

## Proportion Properties Discussion Questions

A list of student-submitted discussion questions for Proportion Properties.
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• Study Guide