linking ratios and fractions close fractionThe result of one integer divided by another. It is written with one integer above the other with a horizontal line between them. The denominator must not be ...

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 ...

This project brings together a diverse group of technologists, including tinkerers, Makers, web developers, and inclusive designers. Building on the design of the PhET sim Ratio and Proportion, we ...