In this real-world context, 6th graders are given the ratio of Jim's money to Jesse's and the amounts they have spent so far on a road trip, and they must calculate what each person had at the start of the trip. Aligns with 6.RP.A.3.

Detailed explanations of ratio, comparing ratios, proportion, rate, converting rates, and average rate of speed, all with examples.

In this lesson, students create a class mural by using scale, ratio, and proportion. Media resources and teacher materials are included.

A lesson plan that includes a PowerPoint learning module for students. They will examine spreadsheet data on air quality in Great Smoky National Parks, and solve problems using ratio and proportion. The exercises will help them to...

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...

This task challenges a student to demonstrate understanding of ratios and proportions. Students must determine a generalized rule from an understanding of ratio and proportional reasoning in a given real-world context.

SAT Math questions fall into different categories; one of these domains is Problem Solving and Data Analysis. These questions might ask you to create an appropriate equation from a word problem, convert units, or understand the meaning...

[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 proportions to find percents. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...

Watch as the National Museum of Mathematics creates an interesting series of images using ratios. This video focuses on the proportional relationship observed in fractals and challenges you to do some critical thinking using ratios and...

A clear explanation, with drawings and examples, of the golden ratio. The examples demonstrate the beauty of mathematics, such as how two Fibonacci numbers can approximate the golden ratio, and why the golden ratio can be called the...

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....

[Free Registration/Login may be required to access all resource tools.] Convert ratios to rates and then compare the rates.

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...

This lesson will require young scholars to collect data through listening, counting and timing. They will use ratios, rates, and proportions to report data. They will also demonstrate an understanding of the concepts of rhythm and tempo...

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...

[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 and solve proportions. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.

You can pick up some valuable ratio pointers here. When you finish working your way through the three instructional pages, go on to the Activity for some practice, or take an online "Test Bite" and check your understanding.

A seventh-grade student is having trouble understanding ratios, fractions, and simplest form. Dr. Math to the rescue! Real-world, easy to grasp examples.

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

This site introduces students to the definition of golden ratio. It gives them a chance to estimate ratios and predict which figures are closest to the golden ratio. There is a link on this page that provides charts for students to...

Solve ratios with only part of given information.

In this lesson, students will explore the concept of similarity. Students will first simplify ratios, solve proportions using the cross product property, and use properties of proportions to solve real-world problems. Similar polygons...