Out-of-the-Ordinary-Fractions
This image shows two fractions, 13/37 and 31/90, that would be unlikely to appear in any elementary mathematics curriculum.
Out-of-the-Ordinary-Fractions
Daniel Scher
Daniel Scher co-directed two NSF-funded projects: the Dynamic Number project and the Forging Connections project. He has worked at EDC, Best Practices in Education, KCP Technologies, and McGraw Hill. He has taught as an adjunct at New York University and City College.