With the PhET simulation Ratio and Proportion, learners can explore finding and maintaining through movement specific challenge ratios, such as 1:2. Learners can make use of various sensorimotor ...

The ratio or proportion between two numbers is how many times one is bigger than the other. An introduction to using ratio. Entry 3 - Proportion problems Summary of some everyday practical ...

Building on the design of the PhET sim Ratio and Proportion, we created four sensory extension devices to investigate and broaden the ways to explore challenge ratios. Each sensory extension device ...

This short clip demonstrates how ratios are used in everyday life by cooks to make recipes - dividing an amount into given parts. The video clip shows a cake company that needs to deliver an order ...