Free iOS App: Dial-a-fraction


This mini-app allows you to picture fractions in the form of slices of a circle.
– As you move the two dials, denominator and numerator, the picture adjusts instantly to show the fraction you have ‘dialled’.
– It is the ideal way into understanding fractions for beginners.
– For those already familiar with fractions, further insights can be gained into the effect of changing the numerator or denominator, or into concepts such as equivalent fractions.
Age range: 5 – 10


Nathan Smith

Nathan Smith is Director of Technology for the College of Education and Human Services at Utah State University. In that role, he also directs The Adele & Dale Young Education Technology Center (The YETC) located in room 170 of the Education Building on Utah State University's Logan campus. The YETC is a combination student open­access computer facility, a K­12 curriculum materials library, a NASA Educator Resource Center for Utah, and a technology training center. Nathan served eight years (2004­2012) on the Board of Directors for the Utah Coalition for Education Technology (UCET) He was re­elected in 2014 to serve another two year term on the board. A former elementary school teacher, Nathan has taught students every age from young children to senior citizens. He has had the opportunity beginning in 2011 to train international high school teachers from all over the world about technology in education, through the U.S. State

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