Khan Academy
Khan Academy: Rates & Proportional Relationships
Video explores how to compare a rate given in an equation to a rate shown on a graph. [1:24]
PBS
Wnet: Thirteen: Get the Math: Get the Math in Music Introduction
Manny Dominguez and Luis Lopez of DobleFlo talk about how their duo got started, how they use math in producing hip-hop music, and set up a music-related algebra challenge. Use music to solve mathematical word problems.
PBS
Pbs: Math Mess: The Belly Buster Pizza Puzzle
Doubling something isn't always easy! See if you can figure out why if Tito sells his new pizza for $19.99 he'll be in trouble. Use what you know about area, rates, and proportions to figure out how much Tito should charge or what the...
PBS
Pbs: The Really Big Shoe Sale
Use what you know about percents, ratios, and proportions to figure out the sale price in this real world application of math. See if you can figure out how they calculated the correct price for the shoes Carla likes. Combining percents...
PBS
Pbs Learning Media: Scale City: Similar Figures in the Real World
This video features the Louisville Slugger Museum and Factory, home to the world's largest bat. Students see the role that measurement and engineering play in making bats to professional players' specifications and are asked to consider...
PBS
Pbs Learning Media: Scale City: One Dimensional Scaling in the Real World
In this video (3:09), life-size replicas help demonstrate one-dimensional scaling and the ratio relationship between two real-world quantities. The accompanying classroom activity helps students understand how ratios and proportions can...