Gain an understanding of percent proportions by taking a look at examples and a video lesson.

The tutorial investigates proportions and ratios. The lesson includes explanations on solving problems with ratios using cross multiplication.

Did you know that chefs must know how to use ratios in order to prepare meals? Learn the value of understanding how to write ratios, ratio proportionality, and ratios in lowest terms in this interactive lesson. Based on real world...

In this Cyberchase media gallery, learn about ratio and proportion and how to use an algebraic shortcut to solve proportion problems. In the accompanying classroom activity, students play a game called the "Pom-Pom Nose Push," in which...

[Free Registration/Login may be required to access all resource tools.] In this lesson students write proportions and then solve proportions by using equivalent rates. Students examine guided notes, review guided practice, watch...

[Free Registration/Login may be required to access all resource tools.] In this lesson students write proportions and then solve proportions by using cross-products. Students examine guided notes, review guided practice, watch...

An interactive simulation that teaches about ratios, proportional reasoning, and unit rate by making predictions and testing proportions while designing a necklace, throwing balloons filled with paint, playing billiards, or shopping for...

[Free Registration/Login may be required to access all resource tools.] Understand direct and inverse variation.

The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review ratios and proportions.

This highly interactive resource uses the backdrop of digital photography to explore equivalent forms of 3-term ratios. Printable activities, solutions, and learning strategies are also provided.

The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review proportional reasoning.

Young scholars learn about proportions using regular and souvenir baseball bats. This site contains a complete lesson plan, which is available in a printable version.

A brief explanation of the mathematical relationship between ratio, proportion, and proportionality. Examples are included.

[Free Registration/Login may be required to access all resource tools.] This study guide reviews ratios, proportions, and cross-multiplication.

The Math Page tutorial explains and defines ratio and proportion and includes this practice section at the end of the lesson.

[Free Registration/Login may be required to access all resource tools.] In this lesson students use cross products to solve proportions and find the value of the missing variable. Students examine guided notes, review guided practice,...

Learn how to use fractions to interpret food labels and make healthy eating choices.

[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios to model real-world scenarios. Students examine guided notes, review guided practice, watch instructional videos and attempt...

[Free Registration/Login may be required to access all resource tools.] In this lesson students find and reduce ratios. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.

In this activity, students use linear measurement and calculators to investigate proportionality and determine the constant ratio between similar figures.

[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios in simplest form. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.

[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios, order ratios from least to greatest and greatest to least and compare ratio. Students examine guided notes, review guided...

Test your knowledge of proportions and how they relate to parts of a whole.

Practice telling whether or not the relationship between two quantities is proportional by analyzing word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.