[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,...

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

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

Students use ratio and rate reasoning to solve real-world and math problems by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

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

Students "go fishing" and use proportions to learn how estimating is used to determine the size of a population.

Math World explains the Golden Ratio, gives the formula for finding the irrational number, and expresses this value as an infinite series. Also defines and represents the Ratio geometrically, its relationship to the Fibonacci numbers,...

Seventh graders find the unit rate of a ratio situation.

Get independent practice working with ratios and proportions. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.

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

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.

Practice finding the constant of proportionality from tables with equations.

Practice finding the constant of proportionality in equations.

Practice interpreting constants of proportionality.

Practice interpreting the constant of proportionality in graphs.

Practice finding the Constant of proportionality from tables.

Practice finding constant of proportionality from graphs.

Practice writing proportional equations from tables.

Practice identifying proportional relationships from graphs.

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

A comprehensive guide for learning all about proportions with definitions, proportion formulas, types of proportions, properties of proportions, the difference between ratio and proportion, solved examples, and practice questions.

Students will investigate patterns to make conjectures about geometric relationships and apply the definition of similarity, in terms of a dilation, to identify similar figures and their proportional sides and congruent corresponding...

Activities and factsheets exploring ratios and proportions in everyday life. Interactive, colorful, and fun.

[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...