Title | Description | Thumbnail Image | Curriculum Topics |
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## Algebra Application: Why Are Receipts So Long? |
In this Algebra Application, students gather data to study the lengths of paper receipts. They also learn to estimate the total number of receipts produced worldwide using industry data. From this they can study the environmental impact of having to produce so many paper receipts. The math topics covered include: |
Laws of Exponents, Data Analysis | |

## Algebra Application: Why Are Wildfires So Dangerous? |
In this Algebra Application, students learn about wildfires and the measurement of air quality. The math topics covered include: Scientific notation |
Laws of Exponents, Applications of Ratios, Proportions, and Percents | |

## 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. |
Data Analysis, Data Gathering | |

## Closed Captioned Video: Algebra Applications: Data Analysis, Segment 4: What is an Adjustable Rate Mortgage? |
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## DescriptionAnother 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. |
Data Analysis, Data Gathering | |

## Closed Captioned Video: Ratios and Proportions: Scale Drawings |
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## DescriptionVideo Tutorial: Ratios and Proportions: Scale Drawings. In this video, we look at the properties of similar figures and use proportions to find lengths of corresponding sides. |
Ratios and Rates | |

## Closed Captioned Video: Ratios and Proportions: Solving Proportions |
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## DescriptionVideo Tutorial: Ratios and Proportions: Solving Proportions. In this video, we solve proportion problems algebraically. |
Ratios and Rates | |

## Closed Captioned Video: Ratios and Proportions: What Are Proportions? |
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## DescriptionVideo Tutorial: Ratios and Proportions: What are Proportions?. In this video, we solve proportion problems using equivalent ratios. |
Ratios and Rates | |

## Closed Captioned Video: Ratios and Rates: Converting Measurement Units |
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## DescriptionVideo Tutorial: Ratios and Rates: Converting Measurement Units. In this video, we show how to use conversion rates to convert from one unit of measurement to another. Students are shown how to create a conversion rate. |
Ratios and Rates | |

## Closed Captioned Video: Ratios and Rates: Rates and Slopes of Lines |
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## DescriptionVideo Tutorial: Ratios and Rates: Rates and Slopes of Lines. In this video we connect the concept of rate of change for a set of linear data to the concept of slope. We use the slope formula to find the rate of change. |
Ratios and Rates | |

## Closed Captioned Video: Ratios and Rates: Rates from Data |
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## DescriptionVideo Tutorial: Ratios and Rates: Rates from Data. In this video, we look at linear data sets that can be used to find the rate of change. |
Ratios and Rates | |

## Closed Captioned Video: Ratios and Rates: Ratios as Decimals |
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## DescriptionVideo Tutorial: Ratios and Rates: Ratios as Decimals. In this video, students |
Ratios and Rates | |

## Closed Captioned Video: Ratios, Proportions, and Percents: Calculating Percents |
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## DescriptionVideo Tutorial: Ratios and Percents: Calculating Percents. In this video, students will see the relationship between ratios, proportions, and percents. A percent formula is derived and used to solve several real-world percent problems. |
Ratios and Rates | |

## Closed Captioned Video: Ratios: Equivalent Ratios |
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## DescriptionVideo Tutorial: Ratios: Equivalent Ratios. In this video we look at equivalent ratios and solve problems that involve the use of equivalent ratios |
Ratios and Rates | |

## Closed Captioned Video: Ratios: Fractional Ratios |
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## DescriptionVideo Tutorial: Ratios: Fractional Ratios. In this video look at ratios of the form a:b and a:b:c, where the terms in the ratio are fractions. Techniques are shown for converting fractional ratios to whole number ratios. |
Ratios and Rates | |

## Closed Captioned Video: Ratios: Numerical Models for Ratios |
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## DescriptionVideo Tutorial: Ratios: Numerical Models for Ratios. In this video, we look at different numerical models for solving ratio problems. |
Ratios and Rates | |

## Closed Captioned Video: Ratios: Rates |
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## DescriptionVideo Tutorial: Ratios: Rates. In this video we look at rates. |
Ratios and Rates | |

## Closed Captioned Video: Ratios: Ratios and Fractions |
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## DescriptionVideo Tutorial: Ratios: Ratios and Fractions. In this video, students |
Ratios and Rates | |

## Closed Captioned Video: Ratios: Ratios with Three Items |
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## DescriptionVideo Tutorial: Ratios: Ratios with Three Items. In this video, students look at ratios of the form a:b:c. Analyze pairs of ratios and see how they can be combined into one ratio. |
Ratios and Rates | |

## Closed Captioned Video: Ratios: Unit Rates |
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## DescriptionVideo Tutorial: Ratios: Unit Rates. In this video we look at unit rates. |
Ratios and Rates | |

## Closed Captioned Video: Ratios: Visual Models for Ratios |
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## DescriptionVideo Tutorial: Ratios: Visual Models for Ratios. In this video, we look at different visual models for solving ratio problems. |
Ratios and Rates | |

## Closed Captioned Video: Ratios: Visual Models for Ratios and Percents |
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## DescriptionVideo Tutorial: Visual Models for Ratios and Percents. In this video explore visual models for ratios and fractions that can be used as visual models for percents. Model different ratios and percents using visual models. |
Ratios and Rates | |

## Closed Captioned Video: Ratios: What Are Ratios? |
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## DescriptionVideo Tutorial: Ratios: What Are Ratios? In this video, students learn what a ratio is and look at examples of different types of ratios. |
Ratios and Rates | |

## Definition--Ratios, Proportions, and Percents Concepts--Calculating Tax |
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## Definition--Ratios, Proportions, and Percents Concepts--Calculating TaxThis is part of a collection of definitions related to ratios, proportions, and percents. This includes general definitions for ratios, proportions, percents, as well as terms related to similarity, proportionality, and equivalence of ratios. |
Applications of Ratios, Proportions, and Percents | |

## Definition--Ratios, Proportions, and Percents Concepts--Calculating Tips |
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## Definition--Ratios, Proportions, and Percents Concepts--Calculating TipsThis is part of a collection of definitions related to ratios, proportions, and percents. This includes general definitions for ratios, proportions, percents, as well as terms related to similarity, proportionality, and equivalence of ratios. |
Applications of Ratios, Proportions, and Percents | |

## Definition--Ratios, Proportions, and Percents Concepts--Converting Units |
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## Definition--Ratios, Proportions, and Percents Concepts--Converting UnitsThis is part of a collection of definitions related to ratios, proportions, and percents. This includes general definitions for ratios, proportions, percents, as well as terms related to similarity, proportionality, and equivalence of ratios. |
Ratios and Rates |