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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.
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## Proportion Properties: Holiday Album Cover

Proportion Properties Interactive

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• Video

## Proportion Properties Principles

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

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• Video

## 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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• Practice
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## Proportion Properties Practice

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• Interactive Exercise

## Acronym--Angles

Checks your understanding of common acronyms.

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• Interactive Exercise

## Triangular Cake

Checks your understanding of similar triangles.

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• Interactive Exercise

Checks your understanding of similar triangles.

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• Critical Thinking

## Proportion Properties Discussion Questions

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

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To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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## Proportion Properties KWL Chart

With this KWL Chart, reflect on your prior knowledge of a concept, come up with questions you’re curious about, and come up with answers from the reading.

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• Study Guide