Use the following Media4Math resources with this Illustrative Math lesson.
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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
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 RatiosWhat 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 PercentsWhat 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?
What Are Ratios?A ratio is the relationship between two or more quantities among a group of items. |
Ratios and Rates | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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, 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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
Video Tutorial: Ratios, Video 7 | Video Tutorial: Ratios: Equivalent 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 | |
Video Tutorial: Ratios, Video 8 | Video Tutorial: Ratios: Rates 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, Video 9 | Video Tutorial: Ratios: Unit Rates
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, Video 10 | Video Tutorial: Ratios and Proportions: What are 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 | |
VIDEO: Algebra Applications: Data Analysis, 4 | VIDEO: Algebra Applications: Data Analysis, Segment 4: What is an Adjustable Rate Mortgage?
Another factor in the mortgage crisis was the use of adjustable rate mortgages. Students run a number of scenarios to test adjustable rate mortgages, while also taking into account the state of the housing market during the time of the mortgage crisis. This is part of a collection of videos from the Algebra Applications video series on the topic of Data Analysis. |
Data Analysis and Data Gathering | |
VIDEO: Algebra Applications: Variables and Equations, 2 | VIDEO: Algebra Applications: Variables and Equations, Segment 2: Honey Production.
Honey bees not only produce a tasty treat, they also help pollinate flowering plants that provide much of the food throughout the world. So, when in 2006 bee colonies started dying out, scientists recognized a serious problem. Analyzing statistics from honey bee production allows for a mathematical analysis of the so-called Colony Collapse Disorder. This is part of a collection of videos from the Algebra Applications video series on the topic of Variables and Equations. |
Applications of Equations and Inequalities, Variables and Unknowns and Variable Expressions | |
VIDEO: Algebra Applications: Variables and Equations, 3 | VIDEO: Algebra Applications: Variables and Equations, Segment 3: River Ratios. Why do rivers meander instead of traveling in a straight line? In going from point A to point B, why should a river take the circuitous route it does instead of a direct path? Furthermore, what information can the ratio of the river’s length to its straight-line distance tell us? In this segment the geological forces that account for a river's motion are explained. In the process, the so-called Meander Ratio is explored. Students construct a mathematical model of a meandering river using the TI-Nspire. Having built the model, students then use it to generate data to find the average of many Meander Ratios. The results show that on average the Meander Ratio is equal to pi. This is part of a collection of videos from the Algebra Applications video series on the topic of Variables and Equations. |
Applications of Equations and Inequalities, Variables and Unknowns, Variable Expressions and Applications of Ratios, Proportions, and Percents | |
VIDEO: Algebra Nspirations: Data Analysis and Probability, 1 | VIDEO: Algebra Nspirations: Data Analysis and Probability, Segment 1
What are the two meanings of statistics? What does it really mean that an event has a 50% probability of occurring? Why are data analysis and probability always taught together? Written and hosted by internationally acclaimed math educator Dr. Monica Neagoy, this video answers these questions and addresses fundamental concepts such as the law of large numbers and the notion of regression analysis. Both engaging investigations are based on true stories and real data, utilize different Nspire applications, and model the seamless connection among various problem representations. Concepts explored: statistics, data analysis, regression analysis. |
Data Analysis and Data Gathering | |
VIDEO: Algebra Nspirations: Data Analysis and Probability, 2 | VIDEO: Algebra Nspirations: Data Analysis and Probability, Segment 2
What are the two meanings of statistics? What does it really mean that an event has a 50% probability of occurring? Why are data analysis and probability always taught together? Written and hosted by internationally acclaimed math educator Dr. Monica Neagoy, this video answers these questions and addresses fundamental concepts such as the law of large numbers and the notion of regression analysis. Both engaging investigations are based on true stories and real data, utilize different Nspire applications, and model the seamless connection among various problem representations. Concepts explored: statistics, data analysis, regression analysis. |
Data Analysis and Data Gathering | |
VIDEO: Algebra Nspirations: Data Analysis and Probability, 3 | VIDEO: Algebra Nspirations: Data Analysis and Probability, Segment 3
What are the two meanings of statistics? What does it really mean that an event has a 50% probability of occurring? Why are data analysis and probability always taught together? Written and hosted by internationally acclaimed math educator Dr. Monica Neagoy, this video answers these questions and addresses fundamental concepts such as the law of large numbers and the notion of regression analysis. Both engaging investigations are based on true stories and real data, utilize different Nspire applications, and model the seamless connection among various problem representations. Concepts explored: statistics, data analysis, regression analysis. |
Data Analysis and Data Gathering | |
VIDEO: Algebra Nspirations: Data Analysis and Probability, 4 | VIDEO: Algebra Nspirations: Data Analysis and Probability, Segment 4
What are the two meanings of statistics? What does it really mean that an event has a 50% probability of occurring? Why are data analysis and probability always taught together? Written and hosted by internationally acclaimed math educator Dr. Monica Neagoy, this video answers these questions and addresses fundamental concepts such as the law of large numbers and the notion of regression analysis. Both engaging investigations are based on true stories and real data, utilize different Nspire applications, and model the seamless connection among various problem representations. Concepts explored: statistics, data analysis, regression analysis. |
Data Analysis and Data Gathering | |
Worksheet: Unit Rates and Data Tables, Worksheet 01 | Worksheet: Unit Rates and Data Tables, Worksheet 01
This is part of a collection of math worksheets on the topic of unit rates. To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.Related ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Ratios and Rates | |
Worksheet: Unit Rates and Data Tables, Worksheet 02 | Worksheet: Unit Rates and Data Tables, Worksheet 02
This is part of a collection of math worksheets on the topic of unit rates. To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.Related ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Ratios and Rates | |
Worksheet: Unit Rates and Data Tables, Worksheet 03 | Worksheet: Unit Rates and Data Tables, Worksheet 03
This is part of a collection of math worksheets on the topic of unit rates. To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.Related ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Ratios and Rates | |
Worksheet: Unit Rates and Data Tables, Worksheet 04 | Worksheet: Unit Rates and Data Tables, Worksheet 04
This is part of a collection of math worksheets on the topic of unit rates. To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.Related ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Ratios and Rates | |
Worksheet: Unit Rates and Data Tables, Worksheet 05 | Worksheet: Unit Rates and Data Tables, Worksheet 05
This is part of a collection of math worksheets on the topic of unit rates. To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.Related ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Ratios and Rates | |
Worksheet: Unit Rates and Data Tables, Worksheet 06 | Worksheet: Unit Rates and Data Tables, Worksheet 06
This is part of a collection of math worksheets on the topic of unit rates. To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.Related ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Ratios and Rates | |
Worksheet: Unit Rates and Data Tables, Worksheet 07 | Worksheet: Unit Rates and Data Tables, Worksheet 07
This is part of a collection of math worksheets on the topic of unit rates. To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.Related ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Ratios and Rates | |
Worksheet: Unit Rates and Data Tables, Worksheet 08 | Worksheet: Unit Rates and Data Tables, Worksheet 08
This is part of a collection of math worksheets on the topic of unit rates. To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.Related ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Ratios and Rates | |
Worksheet: Unit Rates and Data Tables, Worksheet 09 | Worksheet: Unit Rates and Data Tables, Worksheet 09
This is part of a collection of math worksheets on the topic of unit rates. To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.Related ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Ratios and Rates | |
Worksheet: Unit Rates and Data Tables, Worksheet 10 | Worksheet: Unit Rates and Data Tables, Worksheet 10
This is part of a collection of math worksheets on the topic of unit rates. To see the complete worksheet collection on this topic, click on this link. Note: The download is a PDF file.Related ResourcesTo see additional resources on this topic, click on the Related Resources tab.Worksheet LibraryTo see the complete collection of Worksheets, click on this link. |
Ratios and Rates |