Using the USA TODAY Infograph, 'Wing tabs save fuel', ratios and proportions will be used to explore the concept of similarity between a drawing/model and the actual dimensions. The effects of dilation (size change) on an image and...

Deterime the ratios of amounts to one another and then simplify.

Test your knowledge of ratios by determining the equivalents and how to interpret the given ratio.

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

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...

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...

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...

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....

This example provides a clear explanation of how to compare figures to see if they are similar and the formula to determine if the ratios are equal. Interactive practice activities are provided.

As a coach for a long distance cyclist, can you come up with a race plan to help him win his ride from Lands End to John o' Groats? This activity is a more challenging follow-on from Nutrition and Cycling and is aimed at secondary...

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 interactive assessment examines ratios, proportions, and percents. Students complete 18 questions created by Glencoe. Hints and solutions are included.

The interactive assessment examines ratios, proportions, and percents. Students complete 20 questions created by Glencoe. Hints and solutions are included.

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

A complete CCSS Grade 7 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...

This lesson will require students 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 in music.

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...

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

Concepts in Trigonometry are explained and illustrated here by a member of the math department at Borough of Manhattan Community College.

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,...

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

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

Acquire a deeper understanding of the concept of proportionality. Concise definitions, detailed examples, and an interactive worksheet to apply what you have learned.