Gives examples of ratios and proportions and how to solve them.

This site gives a definition of a ratio along with two word problems. Also shows the student how to compare ratios using fractions.

An interactive quiz from WyzAnt of 20 proportions are presented for the students to solve and then check their answers. All can be computed with simple cross-multiplying.

This lesson defines the term ratio. Students can look at a two-page presentation of notes and practice problems.

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

Students learn about ratios and percentages in the tutorial. The mathematics resource consists of examples and practice problems with answers.

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

[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...

Print or create worksheets or flashcards to assess students' understanding of how to use proportional relationships to solve multistep ratio and percent problems.

A guide to support parents as they work with their students in ratios and proportional relationships.

Print or create worksheets or flashcards to assess students' understanding of ratio concepts, useage of ratio reasoning, and percentages.

Print or create worksheets or flashcards to assess students' understanding of ratio equations.

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

In this video, Harry finds money on the sidewalk. He uses ratio, proportion, and some knowledge about shadows to return it to the rightful owner. In the accompanying classroom activity, students investigate whether there is a consistent...

Using this infographic, learn how wage equity today compares with data from 50 years ago, at the dawn of the equal pay movement. The accompanying classroom activity invites students to explore the change in the gender wage gap from 1965...

Print or create worksheets or flashcards to assess students' understanding of ratio concepts and creating tables and graphs.

This short exercise gives the student a ratio in reduced terms, and then gives the students a replacement value for one part of the ratio. The student is then to input the other part of the replacement ratio so as to keep the two ratios...

In this lesson, the students will learn what a ratio is and how it can be used in a comparison. In this lesson, students will also determine how to combine a sports drink in powder form and water to make enough for a whole football team....

Solve ratios with only part of given information.

Find the number which makes the fractions equal in this multiplayer race!

Test your knowledge using proportions.

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

In this activity, students will investigate the relationship among the similar triangles formed when a segment is constructed parallel to one side of a triangle. They will explore the various ratios that exist between the lengths of the...

Students explore proportional relationships in this activity as they build a ratio table in order to project how many tiles would be needed to cover the area of a floor.