BrainPOP: Math: Proportions
Watch the movie and take the quiz. NOTE: Site requires a subscription.

BrainPOP: Ratios
Watch a movie to see what a ratio is and how to write it in different forms. Note: The site requires subscription.

All about Ratios
Here are online ratio exercises, problem solving, and a quiz for younger kids.

Math: Ratios and Proportions
Learn proportions in four steps from the "First Glance" to the "Workout" with interactive exercises. NOTE: The site includes ads.

Ratio and Proportion
Here are explanations and examples of what ratio and proportion are.

Home Work for Kids
These worksheets have exercises for young kids to practice ratios and proportions. Use links at the top to move through the pages. Click on the "Exercises" link and scroll to the section "Ratio and Proportion" for more worksheets. Note: This site includes banner ads and pop-up ads.

BBC: Skillwise Numbers: Ratio and Proportion
To learn about ratios and proportions, go to the "Factsheet" then explore other links on the site for games, activities, worksheets, and quizzes. NOTE: The "Talk" link leads to message boards.

Ration or Proportion?
This article helps teachers to discuss the difference between ratio and proportion.

SuccessLink: Aquarium Blueprint
In this lesson plan, students will apply knowledge about ratios to building an aquarium.

Learning Ratios and Proportions through Scale Drawing
This lesson plan involves students in measuring, scaling, and drawing a classroom.

Quia: Math: Solving Proportions
In this online game, try to give the correct answers to get to the top of a money pyramid.

edHelper: Ratios and Proportions Math Worksheets!
This page contains links to several worksheets on proportions and ratios for fifth and sixth graders.

Math in Daily Life
Here are some examples of ratios and proportion in daily life.

History of Our Solar System on a Time Line
This lesson plan is designed to help kids understand how to use ratio for scaling anything - even the universe.

Practice Test
Take a 9-question practice test on your understanding about ratio and proportion concepts.

eThemes Resource: Math: Equivalent Ratios
These sites focus on equivalent ratios. Learn what equivalent ratio is, how to find it, how to represent it in different forms, and how to solve problems using equivalent ratios. Includes examples, practice questions, games, and quizzes. There is a link to eThemes Resource on ratios and proportions.