Fraction Roller

by mobluse
See inside

Click a green flag, then click New and Roll! Wait while the wheel is rolling. You can try to guess where the wheel will stop before clicking Roll! by clicking on the number line. If the wheel stops near your guess, you will be congratulated. The purpose is to teach fractions as numbers in mathematics.

Also works in Phosphorus i.e. w/o Flash:

Notes and Credits

I was inspired by by Anders Karlsson, a Swedish math teacher. A later version of his program is .

I did write all code from scratch. It uses pi.

You can discuss this project here:

See also Fraction Plotter

Shared: 3 Apr 2017 Modified: 10 May 2017
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