San Antonio College Library

This program looks at the creation of two products as it explores the visual, tactile, and aesthetic factors that inform the design process. The 321 Water filter is an attractive personal water purifier aimed at health-conscious women. Tear Lab is a non-invasive medical tool for measuring salt levels in tears. Sharing prototypes and drawings with the camera, the designers of these products talk openly about their work. We see how their development...

In this program, Monica Neagoy uses multiple representations of fractions to help students develop good "fraction sense": seeing how they can be used to describe situations, estimating the effects of operations on them, and visualizing their place on the number line.