The Soroban Site of the Visual Math Institute

Soroban Drills

Randomized lists of 10 moves, for practice in random order

It is recommended that the teacher or partner print one of these to read aloud, OR, to give to the student for practice. Each click produces a new random list. Practice a few minutes every day with a fresh list.
  • Soroban Rando-Drill #5A
    Addition drill for Tutorial #5: Using the Five Bead. (11/20/2010)
  • Soroban Rando-Drill #5S
    Subtraction drill for Tutorial #5: Using the Five Bead. (11/20/2010)
  • Soroban Rando-Drill #6A
    Addition drill for Tutorial #6: Using the Ten Bead. (11/20/2010)
  • Soroban Rando-Drill #6S
    Subtraction drill for Tutorial #6: Using the Ten Bead. (11/20/2010)
  • Soroban Rando-Drill #D2
    Addition and Subtraction drill for double jump pairs. (12/25/2010)

  • Revised 15 February, 2011 by Ralph Abraham