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

This site provides a problem with completed solutions for that problem. This problem covers the topic of sales tax and tips. The problem aligns with 7.RP.A.3.

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.

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,...

Students use their height and the length of the shadow to determine the height of buildings. A great outdoor activity to learn about proportions and ratios.

[Free Registration/Login may be required to access all resource tools.] In this lesson students find a scale, ratio, or proportion given actual and scale dimensions. Students examine guided notes, review guided practice, watch...

[Free Registration/Login may be required to access all resource tools.] In this lesson students use a proportion to find part a of the percent proportion. Students examine guided notes, review guided practice, watch instructional videos...

[Free Registration/Login may be required to access all resource tools.] In this lesson students use the cross products of proportions to find base b in percent problems. Students examine guided notes, review guided practice, watch...

One or two players can play a learning game that reviews rates, ratios, and proportions.

[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to set up and solve proportions.

Explains the basic terminology and formatting of ratios, and demonstrates how to solve typical exercises.

[Free Registration/Login may be required to access all resource tools.] Explains mass ratio definition and mass ratio calculations.

Dr. Math helps a student discover the meaning of the mean proportional of two numbers. Detailed explanation with examples.

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 identify proportions by cross multiplying or simplifying ratios. Students examine guided notes, review guided practice, watch instructional...

At the end of this lesson about ratio/proportion, students will be able to recognize and apply ratios and proportions to solve real-life problems and solve for any unknown component.

Practice telling whether or not the relationship between two quantities is proportional by reasoning about equivalent ratios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

Make Texas chili as you learn about ratios in this interactive lesson. Students get immediate feedback on their responses and teachers have access to online assessment.

[Free Registration/Login may be required to access all resource tools.] In this lesson students recognize proportions as a statement of equivalent ratios. Students examine guided notes, review guided practice, watch instructional videos...

What is a ratio? How can we create equivalent ratios? Students work to express and extend relationships using ratios.

Learn how to calculate sale price when combining two "percent-off" discounts in this video from KQED. In the accompanying classroom activity, students develop and share a variety of strategies, including modeling with a 10 x 10 grid to...

This tutorial provides definitions and examples of ratios and proportions and features comparing ratios and converting rates.