Male support engineer, brown hair, blue shirt, red tie: I'm calling regarding the problem you were having this morning with your email. Male, brown hair, white shirt: Our ratio of computers to ...

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 ...

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.

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 ...

THE strict theory of geometrical proportion is difficult, and, with few exceptions, elementary students are quite unable to understand it. Opinions differ as to the compromise that is best suited ...

Sensory Extension Devices for Ratio and Proportion This project brings together a diverse group of technologists, including tinkerers, Makers, web developers, and inclusive designers. Building on the ...

Consumers' reactions to rectangles have implications for package and product design. In two lab studies and an analysis of field data, the authors find that the ratio of the sides of a rectangular ...