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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

by CK-12 //basic

Apply proportion properties.

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## Proportion Properties

This concept teaches students how to set up and solve proportions.

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• PLIX

## 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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• Video

## Proportions Principles - Basic

by CK-12 //basic

This video provides the student with a walkthrough on proportions.

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• Video

## Proportions Examples - Basic

by CK-12 //basic

This video provides the student with a walkthrough of one or more examples from the concept "Proportions".

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• Video

## Proportions

by CK-12 //basic

Defines a proportion and explains how to solve a proportion.

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• Video

## Applications of Proportions

by CK-12 //basic

Provides several problems that can be solved using proportions.

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• Video

## Solving for Unknown Values Using the Properties of Similar Triangles

by CK-12 //basic

Shows examples of determining unknown values using the properties of similar triangles.

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• Practice
Estimated8 minsto complete

## 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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• Real World Application

## There is Beauty in the Golden Ratio!

by Seymour Bernier //basic

The Golden Ratio is found everywhere throughout the natural world. Do you know that the more attractive you are depends on your proximity to the Golden Ratio?

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• Study Guide

## Ratios and Proportions Study Guide

This study guide reviews ratios, proportions, and cross-multiplication.

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• Flashcards

## Proportion Properties Flashcards

by CK-12 //basic

These flashcards help you study important terms and vocabulary from Proportion Properties.

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