Sophia Learning
Sophia: Ratios and Fractions
This video tutorial describes the relationship between ratios and fractions. The lesson includes detailed examples.
Sophia Learning
Sophia: Simplifying Measurement Ratios
Determine how to simplify measurement ratios and the importance of using the correct units.
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]
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...
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...
Government of Alberta
Learn Alberta: Exploring Rate, Ratio and Proportion
Learn Alberta offers a real-world scenario of skateboarding to introduce the concept of square roots. This multimedia site offers two videos, printable exercises and interactive exercises of finding the square root through visual prompts...
Sophia Learning
Sophia: Writing Ratios #6
This lesson demonstrates how to write ratios using both number and variable notation.
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]