Sophia Learning
Sophia: Ratios and Fractions
This video tutorial describes the relationship between ratios and fractions. The lesson includes detailed examples.
Sophia Learning
Sophia: Writing Ratios
Explore how to write a ratio using number and variable notation and assess learning with a quiz.
Imagine Learning Classroom
Learn Zillion: Understand Rates as a Type of Ratio
In this lesson, you will learn how rates are part of the ratio family by reviewing the qualities of a ratio. [5:55]
Other
Algebra2go: Rates and Unit Price
Professor Perez's virtual classroom provides examples that demonstrate how to find rates and unit price. [6:11]
Khan Academy
Khan Academy: Rates: Finding Unit Prices
A short video with an explanation on how to find a unit price from a real-world application problem. [2:01]
Loyola University Chicago
Math Flix: Proportion Introduction
This QuickTime movie introduces the concept of proportion. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Population Growth Using Ratio
This QuickTime movie explains a solution to a problem using ratios. The teacher and student discuss how to work through it together to find the solution. As you watch and listen to them interact it helps clarify the thinking behind...
NEAPortal
Nea Portal:solve Real World Problems That Involve a Combination of Rates, Proport
This lesson is about solving real world problems that involve a combination of rates, proportions and percents. Also, it is aligned to a common core state standard CC.9-12.N.Q.2. [10:59]
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...
Sophia Learning
Sophia: Writing Ratios #6
This lesson demonstrates how to write ratios using both number and variable notation.
Shmoop University
Shmoop: Unit Rate
This video explains to the student how a unit rate is calculated using an animated warthog. Continues to present material about the importance of understanding unit rate in our everyday world.
Other
Mash Up Math: What Is an Equivalent Ratio?
A video demonstrating how to determine if two ratios are equivalent and how to use ratio and rate reasoning to solve real-world and mathematical problems. [4:51]