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 ...

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.

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 ...

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.

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 ...

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 ...

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 ...

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.

Mystery of golden ratio explained Date: December 21, 2009 Source: Duke University Summary: The golden ratio is a geometric proportion that has been theorized to be the most aesthetically pleasing ...