Visual Soroban Project

The Soroban Site of the Visual Math Institute

Full drills These are full lists of all exercizes of a given type Random drills Selects a written list of ten exercizes at random from a full list Talking drills These exercizes chosen at random from a list and spoken: These are full lists of all exercizes of a given type
Random drills Selects a written list of ten exercizes at random from a full list Talking drills These exercizes chosen at random from a list and spoken: Selects a written list of ten exercizes at random from a full list
Talking drills These exercizes chosen at random from a list and spoken: These exercizes chosen at random from a list and spoken

Revised 18 February, 2011 by Ralph Abraham