Jane-Jane Lo, Tad Watanabe, Developing Ratio and Proportion Schemes: A Story of a Fifth Grader, Journal for Research in Mathematics Education, Vol. 28, No. 2 (Mar., 1997), pp. 216-236 ...

This project brings together researchers in embodied cognition with researchers and technologists in inclusive design. With the PhET simulation Ratio and Proportion, learners can explore finding and ...

The debt-to-GDP ratio measures the proportion of a country's national debt to its gross domestic product. The higher the ratio, the higher the country's risk of default.

This paper summarizes our analysis of the complexity of ratio problems at Grades 6 and 7, and reports a two-year experiment related to the teaching and learning of rational numbers and proportionality ...

Learn how to convert ratios to fractions and percentages, how to share in a given ratio, and explore ratios as fractions, with videos, activities and quizzes.

Free interactive and download to print GCSE Maths flashcards to help prepare for your GCSE exams. Revise topics such as ratio in context, percentages and direct and inverse proportion.

The dividend payout ratio is the proportion of earnings paid to shareholders as dividends. Some companies pay out all their earnings to shareholders, some only pay out a portion of their earnings ...

The benefits of using the Golden Ratio are numerous. It provides a harmonious and balanced proportion that is naturally pleasing. In design, whether graphic, architectural, or even in product ...

Price-to-rent ratio of more than 21: You are making a much better personal finance choice by renting. Now, go calculate the price-to-rent ratio for your real estate portfolio.