Planet Nutshell
Planet Nutshell: Math Shorts: Proportional Relationships
Planet Nutshell Math Shorts provide animated videos that explain various math topics. On this site, students learn about proportional relationships.
Sophia Learning
Sophia: Graphs of Constant Rates of Change
This video tutorial describes how to determine if a graph has a constant rate of change. It includes detailed examples.
Sophia Learning
Sophia: Determining Proportionality Using Graphs and Tables
Determine whether objects of different shapes and sizes are proportional. Check understanding with a quiz.
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]
Virtual Nerd
Virtual Nerd: What's the Direct Variation or Direct Proportionality Formula?
Discover how to express direct proportionality using equations by watching this tutorial. [2:42]
Imagine Learning Classroom
Learn Zillion: Find a Unit Rate Using a Graph
In this lesson, you will learn how to find unit rates by reading graphs. [5:02]
Other
Algebra2go: Solving Proportions
Professor Perez's virtual classroom provides examples that demonstrate how to solve proportion problems. [7:18]
Khan Academy
Khan Academy: Graphing Solutions to Equations: Interpreting Linear Graphs
This video demonstrates real-life situations that might result in a linear relationship and shows what this relationship would look like on a graph.
Khan Academy
Khan Academy: Algebra: Interpreting Linear Graphs
This video demonstrates real-life situations that might result in a linear relationship and shows what this relationship would look like on a graph. It also identifies when x and y values vary directly and when x and y values vary...
Loyola University Chicago
Math Flix: Using Proportion
This QuickTime movie gives examples of how to use 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: 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.
Sophia Learning
Sophia: Equivalent Ratios: Lesson 1
This lesson will introduce the means and extremes of a proportion, and demonstrate how to use cross multiplication to determine if two ratios are equivalent. It is 1 of 8 in the series titled "Equivalent Ratios."
Sophia Learning
Sophia: Using Equations to Describe Proportions
This lesson explains how proportional relationships can be described using equations.
Sophia Learning
Sophia: Using Equations to Describe Proportions
This lesson explains how proportional relationships can be described using equations.