Quia
Quia: Rates, Ratios, and Proportions
One or two players can play a learning game that reviews rates, ratios, and proportions.
Sophia Learning
Sophia: What Are Ratios?
This lesson defines the term ratio. Students can look at a two-page presentation of notes and practice problems.
Sophia Learning
Sophia: Using Equations to Describe Proportions: Lesson 3
This lesson explains how proportional relationships can be described using equations. It is 3 of 5 in the series titled "Using Equations to Describe Proportions."
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: Lesson 4
This lesson explains how proportional relationships can be described using equations. It is 4 of 5 in the series titled "Using Equations to Describe Proportions."
ClassFlow
Class Flow: Proportions
[Free Registration/Login Required] This lesson contains notes and examples for instructing how to solve proportions. Begins with relations to equivalent fractions, and then gets into solving algebraically using cross products. It...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Rates and Ratios
Find a quick, concise explanation of rates and ratios. Examples are given and clearly explained.
Shmoop University
Shmoop: Ratios & Percentages: Solving Proportions
Students learn how to solve proportions. The mathematics resource consists of examples and practice problems with answers.
Purple Math
Purplemath: Proportions: Introduction
Explains the basics and terminology of proportions.
Other
Macomb Intermediate School District: Mathematics: Ratios and Rates [Pdf]
Activities for students that allow them to explore the concept of comparing ratios and unit rates using real-world scenarios.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Proportions
Find a quick, concise explanation of proportions. An example is given and clearly explained.