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Illustrative Math-Media4Math Alignment

 

 

Illustrative Math Alignment: Grade 7 Unit 9

Putting it All Together

Lesson 10: Measuring Long Distances Over Uneven Terrain

Use the following Media4Math resources with this Illustrative Math lesson.

Thumbnail Image Title Body Curriculum Topic
Video Transcript: Percents: Percents and Multiples of Numbers Video Transcript: Percents: Percents and Multiples of Numbers Video Transcript: Percents: Percents and Multiples of Numbers

This is the transcript that goes with the video segment entitled Video Tutorial: Percents: Percents and Multiples of Numbers.

This is part of a collection of video transcripts for the video tutorial series on Percents. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Percents
Video Transcript: Percents: Probabilities and Percents Video Transcript: Percents: Probabilities and Percents Video Transcript: Percents: Probabilities and Percents

This is the transcript that goes with the video segment entitled Video Tutorial: Percents: Probabilities and Percents.

This is part of a collection of video transcripts for the video tutorial series on Percents. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Video Library

To see the complete collection of videos in the Video Library, click on this link.

Percents
Video Transcript: Percents: Simple Interest Video Transcript: Percents: Simple Interest Video Transcript: Percents: Simple Interest

This is the transcript that goes with the video segment entitled Video Tutorial: Percents: Simple Interest.

This is part of a collection of video transcripts for the video tutorial series on Percents. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Video Library

To see the complete collection of videos in the Video Library, click on this link.

Percents
Video Transcript: Rational Numbers: Variable Expressions with Rational Numbers Video Transcript: Rational Numbers: Variable Expressions with Rational Numbers Video Transcript: Rational Numbers: Variable Expressions with Rational Numbers

This is the transcript that goes with the video segment entitled Video Tutorial: Rational Numbers: Variable Expressions with Rational Numbers.

This is part of a collection of video transcripts for the video tutorial series on Rational Numbers. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Rational Expressions
Video Transcript: Ratios and Proportions: Scale Drawings Video Transcript: Ratios and Proportions: Scale Drawings Video Transcript: Ratios and Proportions: Scale Drawings

This is the transcript that goes with the video segment entitled Video Tutorial: Ratios and Proportions: Scale Drawings.

This is part of a collection of video transcripts for the video tutorial series on Ratios. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Video Library

To see the complete collection of videos in the Video Library, click on this link.

Ratios and Rates
Video Transcript: Ratios and Proportions: Solving Proportions Video Transcript: Ratios and Proportions: Solving Proportions Video Transcript: Ratios and Proportions: Solving Proportions

This is the transcript that goes with the video segment entitled Video Tutorial: Ratios and Proportions: Solving Proportions.

This is part of a collection of video transcripts for the video tutorial series on Ratios. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Ratios and Rates
Video Transcript: Ratios and Proportions: What Are Proportions? Video Transcript: Ratios and Proportions: What Are Proportions? Video Transcript: Ratios and Proportions: What Are Proportions?

This is the transcript that goes with the video segment entitled Video Tutorial: Ratios and Proportions: What Are Proportions?

This is part of a collection of video transcripts for the video tutorial series on Ratios. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Ratios and Rates
Video Transcript: Ratios and Rates: Converting Measurement Units Video Transcript: Ratios and Rates: Converting Measurement Units Video Transcript: Ratios and Rates: Converting Measurement Units

This is the transcript that goes with the video segment entitled Video Tutorial: Ratios and Rates: Converting Measurement Units.

This is part of a collection of video transcripts for the video tutorial series on Ratios. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Ratios and Rates
Video Transcript: Ratios and Rates: Rates and Slopes of Lines Video Transcript: Ratios and Rates: Rates and Slopes of Lines Video Transcript: Ratios and Rates: Rates and Slopes of Lines

This is the transcript that goes with the video segment entitled Video Tutorial: Ratios and Rates: Rates and Slopes of Lines.

This is part of a collection of video transcripts for the video tutorial series on Ratios. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Ratios and Rates
Video Transcript: Ratios and Rates: Rates from Data Video Transcript: Ratios and Rates: Rates from Data Video Transcript: Ratios and Rates: Rates from Data

This is the transcript that goes with the video segment entitled Video Tutorial: Ratios and Rates: Rates from Data.

This is part of a collection of video transcripts for the video tutorial series on Ratios. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Video Library

To see the complete collection of videos in the Video Library, click on this link.

Ratios and Rates
Video Transcript: Ratios and Rates: Ratios as Decimals Video Transcript: Ratios and Rates: Ratios as Decimals Video Transcript: Ratios and Rates: Ratios as Decimals

This is the transcript that goes with the video segment entitled Video Tutorials: Ratios and Rates: Ratios and Decimals.

This is part of a collection of video transcripts for the video tutorial series on Ratios. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Video Library

To see the complete collection of videos in the Video Library, click on this link.

Ratios and Rates
Video Transcript: Ratios, Proportions, and Percents: Calculating Percents Video Transcript: Ratios, Proportions, and Percents: Calculating Percents Video Transcript: Ratios, Proportions, and Percents: Calculating Percents

This is the transcript that goes with the video segment entitled Video Tutorials: Ratios, Proportions, and Percents: Calculating Percents.

This is part of a collection of video transcripts for the video tutorial series on Ratios. To see the complete collection of transcripts, click on this link. Note: The download is a PDF file. Video Transcript Library

To see the complete collection of video transcriptsy, click on this link.

Ratios and Rates
Video Transcript: Ratios: Application of Ratios: Roofs and Ramps Video Transcript: Ratios: Application of Ratios: Roofs and Ramps Video Transcript: Ratios: Application of Ratios: Roofs and Ramps

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items.

Applications of Ratios, Proportions, and Percents
Video Transcript: Ratios: Equivalent Ratios Video Transcript: Ratios: Equivalent Ratios Video Transcript: Ratios: Equivalent Ratios

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items.

Ratios and Rates
Video Transcript: Ratios: Fractional Ratios Video Transcript: Ratios: Fractional Ratios Video Transcript: Ratios: Fractional Ratios

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items.

Ratios and Rates
Video Transcript: Ratios: Numerical Models for Ratios Video Transcript: Ratios: Numerical Models for Ratios Video Transcript: Ratios: Numerical Models for Ratios

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items.

Ratios and Rates
Video Transcript: Ratios: Rates Video Transcript: Ratios: Rates Video Transcript: Ratios: Rates

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items.

Ratios and Rates
Video Transcript: Ratios: Ratios and Fractions Video Transcript: Ratios: Ratios and Fractions Video Transcript: Ratios: Ratios and Fractions

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items.

Ratios and Rates
Video Transcript: Ratios: Ratios with Three Items Video Transcript: Ratios: Ratios with Three Items Video Transcript: Ratios: Ratios with Three Items

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items.

Ratios and Rates
Video Transcript: Ratios: Unit Rates Video Transcript: Ratios: Unit Rates Video Transcript: Ratios: Unit Rates

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items.

Ratios and Rates
Video Transcript: Ratios: Visual Models for Ratios Video Transcript: Ratios: Visual Models for Ratios Video Transcript: Ratios: Visual Models for Ratios

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. Let's look at an example.

Ratios and Rates
Video Transcript: Ratios: Visual Models for Ratios and Percents Video Transcript: Ratios: Visual Models for Ratios and Percents Video Transcript: Ratios: Visual Models for Ratios and Percents

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. Let's look at an example.

Ratios and Rates
Video Transcript: Ratios: What Are Ratios? Video Transcript: Ratios: What Are Ratios? Video Transcript: Ratios: What Are Ratios?

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items.

Ratios and Rates
VideoTutorial--Percents11Thumbnail.jpg Video Tutorial: Percents, Video 11 Video Tutorial: Percents: Simple Interest

This video is part of a series of videos that cover the topic of percents. This includes the definition of a percent, percent operations, and applications of percents. Each video includes real-world examples of using percents to solve specific problems. 

—CLICK ON PREVIEW TO VIEW THE VIDEO TUTORIAL— To see the complete collection of video tutorials on percents, click on this link.

The following section provides background information on percents. Use this material to supplement the video series. You can also use the videos and this background material to fully review the topic of percents.

What Are Percents?

Percents are a type of fraction. A fraction is part of a whole.

Percents
VideoTutorial--Percents12Thumbnail.jpg Video Tutorial: Percents, Video 12 Video Tutorial: Percents: Calculating Tax

This video is part of a series of videos that cover the topic of percents. This includes the definition of a percent, percent operations, and applications of percents. Each video includes real-world examples of using percents to solve specific problems. 

—CLICK ON PREVIEW TO VIEW THE VIDEO TUTORIAL— To see the complete collection of video tutorials on percents, click on this link.

The following section provides background information on percents. Use this material to supplement the video series. You can also use the videos and this background material to fully review the topic of percents.

What Are Percents?

Percents are a type of fraction. A fraction is part of a whole.

Percents
VideoTutorial--Percents9Thumbnail.jpg Video Tutorial: Percents, Video 9 Video Tutorial: Percents: Percent Increase

This video is part of a series of videos that cover the topic of percents. This includes the definition of a percent, percent operations, and applications of percents. Each video includes real-world examples of using percents to solve specific problems. 

—CLICK ON PREVIEW TO VIEW THE VIDEO TUTORIAL— To see the complete collection of video tutorials on percents, click on this link.

The following section provides background information on percents. Use this material to supplement the video series. You can also use the videos and this background material to fully review the topic of percents.

What Are Percents?

Percents are a type of fraction. A fraction is part of a whole.

Percents
VideoTutorial--AlgebraTiles16VideoThumbnail.jpg Video Tutorial: Algebra Tiles 16 Video Tutorial: Algebra Tiles: Simplifying Variable Expressions Using Algebra Tiles

Description

This is part of a collection of video tutorials the topic of Algebra Tiles.This series of videos describes what algebra tiles are and how they can be used to model numbers, operations, expressions, and equations. Use this series if you are incorporating the use of algebra tiles in your instruction.

—CLICK PREVIEW TO SEE THE VIDEO TUTORIAL— To see the complete collection of the video tutorials on this topic, click on this link.

The following section reviews the basics of algebra tiles. Use this material as background material, and also as a supplement to the video series.

Algebra Tiles--Expressions and Equations
VideoTutorial--IntegersTutorialVideoThumbnail11.jpg Video Tutorial: Integers, Video 11 Video Tutorial: Integers: Variable Expressions with Integers

This is part of a series of videos on the topic of Integers. This includes defining integers, modeling integers, integer operations, and integer expressions.

—PRESS PREVIEW TO SEE THE VIDEO TUTORIAL— To see the complete collection of these videos on integers, click on this link.

The following section includes background information on integers (and also rational numbers). Refer to this section as you view the videos, or as review material afterward.

What Are Integers?

In arithmetic you learned that whole numbers include zero and the counting numbers from 1 to infinity.

Numerical Expressions
VideoTutorial--Percents10Thumbnail.jpg Video Tutorial: Percents, Video 10 Video Tutorial: Percents: Percent Decrease

This video is part of a series of videos that cover the topic of percents. This includes the definition of a percent, percent operations, and applications of percents. Each video includes real-world examples of using percents to solve specific problems. 

—CLICK ON PREVIEW TO VIEW THE VIDEO TUTORIAL— To see the complete collection of video tutorials on percents, click on this link.

The following section provides background information on percents. Use this material to supplement the video series. You can also use the videos and this background material to fully review the topic of percents.

What Are Percents?

Percents are a type of fraction. A fraction is part of a whole.

Percents
VideoTutorial--Percents13Thumbnail.jpg Video Tutorial: Percents, Video 13 Video Tutorial: Percents: Calculating Commissions and Tips

This video is part of a series of videos that cover the topic of percents. This includes the definition of a percent, percent operations, and applications of percents. Each video includes real-world examples of using percents to solve specific problems. 

—CLICK ON PREVIEW TO VIEW THE VIDEO TUTORIAL— To see the complete collection of video tutorials on percents, click on this link.

The following section provides background information on percents. Use this material to supplement the video series. You can also use the videos and this background material to fully review the topic of percents.

Percents
VideoTutorial--Percents14Thumbnail.jpg Video Tutorial: Percents, Video 14 Video Tutorial: Percents: Multiple Percents

This video is part of a series of videos that cover the topic of percents. This includes the definition of a percent, percent operations, and applications of percents. Each video includes real-world examples of using percents to solve specific problems. 

—CLICK ON PREVIEW TO VIEW THE VIDEO TUTORIAL— To see the complete collection of video tutorials on percents, click on this link.

The following section provides background information on percents. Use this material to supplement the video series. You can also use the videos and this background material to fully review the topic of percents.

What Are Percents?

Percents are a type of fraction. A fraction is part of a whole.

Percents
VideoTutorial--Percents15Thumbnail.jpg Video Tutorial: Percents, Video 15 Video Tutorial: Percents: Probabilities and Percents

This video is part of a series of videos that cover the topic of percents. This includes the definition of a percent, percent operations, and applications of percents. Each video includes real-world examples of using percents to solve specific problems. 

—CLICK ON PREVIEW TO VIEW THE VIDEO TUTORIAL— To see the complete collection of video tutorials on percents, click on this link.

The following section provides background information on percents. Use this material to supplement the video series. You can also use the videos and this background material to fully review the topic of percents.

Percents
VideoTutorial--Percents16Thumbnail.jpg Video Tutorial: Percents, Video 16 Video Tutorial: Percents: Percents and Multiples of Numbers

This video is part of a series of videos that cover the topic of percents. This includes the definition of a percent, percent operations, and applications of percents. Each video includes real-world examples of using percents to solve specific problems. 

—CLICK ON PREVIEW TO VIEW THE VIDEO TUTORIAL— To see the complete collection of video tutorials on percents, click on this link.

The following section provides background information on percents. Use this material to supplement the video series. You can also use the videos and this background material to fully review the topic of percents.

Percents
VideoTutorial--Percents7Thumbnail.jpg Video Tutorial: Percents, Video 7 Video Tutorial: Percents: Fraction-Percent Conversion

This video is part of a series of videos that cover the topic of percents. This includes the definition of a percent, percent operations, and applications of percents. Each video includes real-world examples of using percents to solve specific problems. 

—CLICK ON PREVIEW TO VIEW THE VIDEO TUTORIAL— To see the complete collection of video tutorials on percents, click on this link.

The following section provides background information on percents. Use this material to supplement the video series. You can also use the videos and this background material to fully review the topic of percents.

Percents
VideoTutorial--Percents8Thumbnail.jpg Video Tutorial: Percents, Video 8 Video Tutorial: Percents: Applications of Percent -- Grade

This video is part of a series of videos that cover the topic of percents. This includes the definition of a percent, percent operations, and applications of percents. Each video includes real-world examples of using percents to solve specific problems. 

—CLICK ON PREVIEW TO VIEW THE VIDEO TUTORIAL— To see the complete collection of video tutorials on percents, click on this link.

The following section provides background information on percents. Use this material to supplement the video series. You can also use the videos and this background material to fully review the topic of percents.

Percents
VideoTutorial--RationalNumbersVideoThumbnail12.jpg Video Tutorial: Rational Numbers: Video 12 Video Tutorial: Rational Numbers: Variable Expressions with Rational Numbers

This is part of a collection of video tutorials on the topic of Rational Numbers. This includes defining rational numbers, rational number operations, comparing and ordering rational numbers, and applications of rational numbers.

—PRESS PREVIEW TO SEE THE VIDEO TUTORIAL— To see the complete collection of these videos on fractions, click on this link.

The following section includes background information on rational numbers. Refer to this section as you view the videos, or as review material afterward.

Rational Expressions
VideoTutorial--Ratios1Thumbnail.jpg Video Tutorial: Ratios, Video 1 Video Tutorial: Ratios: What Are Ratios?

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios11Thumbnail.jpg Video Tutorial: Ratios, Video 11 Video Tutorial: Ratios and Proportions: Solving Proportions

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios12Thumbnail.jpg Video Tutorial: Ratios, Video 12 Video Tutorial: Ratios and Proportions: Scale Drawings

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios13Thumbnail.jpg Video Tutorial: Ratios, Video 13 Video Tutorial: Ratios and Rates: Rates from Data

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios14Thumbnail.jpg Video Tutorial: Ratios, Video 14 Video Tutorial: Ratios and Rates: Rates and Slopes of Lines

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios15Thumbnail.jpg Video Tutorial: Ratios, Video 15 Video Tutorial: Ratios and Rates: Converting Measurement Units

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios16Thumbnail.jpg Video Tutorial: Ratios, Video 16 Video Tutorial: Ratios, Proportions, and Percents: Calculating Percents

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
Video Tutorial: Ratios: Visual Models for Ratios and Percents Video Tutorial: Ratios, Video 17 Video Tutorial: Ratios: Visual Models for Ratios and Percents

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios18Thumbnail.jpg Video Tutorial: Ratios, Video 18 Video Tutorial: Ratios and Rates: Ratios as Decimals

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios19Thumbnail.jpg Video Tutorial: Ratios, Video 19 Video Tutorial: Ratios: Application of Ratios: Roofs and Ramps

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Applications of Ratios, Proportions, and Percents and Proportions
VideoTutorial--Ratios2Thumbnail.jpg Video Tutorial: Ratios, Video 2 Video Tutorial: Ratios: Ratios with Three Items

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios3Thumbnail.jpg Video Tutorial: Ratios, Video 3 Video Tutorial: Ratios: Fractional Ratios

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios4Thumbnail.jpg Video Tutorial: Ratios, Video 4 Video Tutorial: Ratios: Ratios and Fractions

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates
VideoTutorial--Ratios5Thumbnail.jpg Video Tutorial: Ratios, Video 5 Video Tutorial: Ratios: Visual Models for Ratios

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Ratios and Rates