PBS
Pbs Learning Media: Kid Vid: Fractions and Scale
Students think about how fractional measurements relate to scale models, learn about alternate ways of expressing scale ratios, and demonstrate understanding of fractions and scale in this interactive from KET. After watching video...
Purple Math
Purplemath: Ratios
Explains the basic terminology and formatting of ratios, and demonstrates how to solve typical exercises.
Other
Nearpod: Rates & Ratios
In this lesson on ratios, 7th graders explore how ratios can be used to demonstrate rates by exploring proportional relationships.
The Math League
The Math League: Ratio
This site gives a definition of a ratio along with two word problems. Also shows the student how to compare ratios using fractions.
Sophia Learning
Sophia: Simplifying Measurement Ratios: Lesson 3
This lesson demonstrates how to simplify ratios containing measurements. It is 3 of 4 in the series titled "Simplifying Measurement Ratios."
Sophia Learning
Sophia: Writing Ratios #2
This lesson demonstrates how to write ratios using both number and variable notation.
Sophia Learning
Sophia: Simplifying Measurement Ratios: Lesson 4
This lesson demonstrates how to simplify ratios containing measurements. It is 4 of 4 in the series titled "Simplifying Measurement Ratios."
Ducksters
Ducksters: Kids Math: Ratios
Investigate how ratios can be used to compare objects of the same type on this site. The site includes some explanation and examples.
Free Math Help
Free Math Help: Proportions and Ratios
The tutorial investigates proportions and ratios. The lesson includes explanations on solving problems with ratios using cross multiplication.
Math Is Fun
Math Is Fun: Ratios
After reading a simple definition of "ratios", you can explore many examples of ratio use in the real world.
ClassFlow
Class Flow: Introduction to Ratio and Proportions
[Free Registration/Login Required] This flipchart introduces the concept of ratios and proportions using a variety of visuals and manipulatives.
Math Is Fun
Math Is Fun: Fractions
The learning activity investigates fractions. Topics examined are types of fractions, simplifying fractions, and operations with fractions. Links to additional resources and activities are included.
Shmoop University
Shmoop: Ratios & Percentages: Ratios & Proportions
Students learn about ratios and percentages in the tutorial. The mathematics resource consists of examples and practice problems with answers.
Shmoop University
Shmoop: Ratios & Percentages: Converting Fractions to Decimals
The mathematics tutorial examines how to convert fractions to decimals. Students learn about the concept through notes, examples, and practice problems.
National Council of Teachers of Mathematics
The Math Forum: Ratios and Fractions
A seventh-grade student is having trouble understanding ratios, fractions, and simplest form. Dr. Math to the rescue! Real-world, easy to grasp examples.
Shmoop University
Shmoop: Ratios & Percentages: Unit Rate
Students learn about unit rate. The mathematics resource consists of examples and practice problems with answers.
Ducksters
Ducksters: Kids Math: Ratios, Fractions, and Percentages
This page explores how ratios can be written as fractions. The site also discusses proportions and reducing ratios with problems and examples.
Calculator Soup
Calculator Soup: Ratio to Fraction Calculator
Convert ratios to fractions. The ratio to fraction calculator finds fraction equivalents of ratio terms and reduces the fractions to simplest form.
Math Aids
Math Aids: Ratio Worksheets
Great resource for learning and practicing ratios and unit rates. Math worksheets are printable, may be customized, and include answer keys.
Mocomi & Anibrain Digital Technologies
Mocomi: Ratio and Proportion
Gives examples of ratios and proportions and how to solve them.