The Soroban Site of the Visual Math Institute

Soroban Tutorials

Video tutorials for teachers and parents teaching children to count, using marbles and the soroban to practice simple arithmetic. This extends the well-established arithmetic skills of babies (subitizing)
[see, eg, What Counts: How Every Brain is Hardwired for Math
by Brian Butterworth (1999); Chapter 3, Born to Count].

The series begins with marbles for preschool and moves onto the soroban beginning with the fourth episode.

  • Soroban Tutorial 1
    Play with Marbles (#1 of 3)
    Introducing the Five Bead, 19 MB, 3 minutes
  • Soroban Tutorial 2
    Play with Marbles (#2 of 3)
    Using the Five Bead, 23 MB, 4 minutes
  • Soroban Tutorial 3
    Play with Marbles (#3 of 3)
    Using the Five Stone, 16 MB, 3 1/4 minutes
  • Soroban Tutorial 4
    Introducing the Soroban (#1 of 6)
    Unit beads 1 to 4, 40 MB, 3 minutes (revised 12 March 2010)
  • Soroban Tutorial 5
    Introducing the Soroban (#2 of 6)
    Using the Five Bead, 40 MB, 8 minutes (14 Sept 2010)
    Practice with Drills #1 and #2
  • Soroban Tutorial 6
    Introducing the Soroban (#3 of 6)
    Addition with the Ten Bead, 20 MB, 4.5 minutes (22 Oct 2010)
    Practice with Drill #3
  • Soroban Tutorial 7
    Introducing the Soroban (#4 of 6)
    Smart Moves, 2.3 minutes (01 Nov 2010)
    Practice with Drill #0
  • Soroban Tutorial 8
    Introducing the Soroban (#5 of 6)
    Subtraction with the Ten Bead, 20 MB, 3.5 minutes (01 Nov 2010)
    Practice with Drill #4
  • Soroban Tutorial 9
    Introducing the Soroban (#6 of 6, final tutorial)
    Serial Addition, 270 MB, 8.5 minutes (26 Nov 2010)
  • Soroban Tutorial 10
    Introducing the Base 60 Soroban (20 MB, 2 minutes (02 Dec 2011)
  • Soroban Tutorial 11
    Multiplication
    8 x 6 = 48, 78 MB, 2 minutes (12 Jul 2012)
    See also: Soroban Note 4
  • Soroban Tutorial 12
    Multiplication
    24 x 7 = 168, 70 MB, 2.5 minutes (12 Jul 2012)
  • Soroban Tutorial 13
    Multiplication
    8 x 17=136, 97 MB, 3 minutes (13 Jul 2012)
  • Soroban Tutorial 14
    Multiplication
    46 x 23 =1058, 96 MB, 3 minutes (13 Jul 2012)
    See also: Soroban Note 6
  • Soroban Tutorial 15
    Division
    837 / 3 = 279, 216 MB, 7 minutes (20 Jul 2012)
    See also: Soroban Note 5
  • Revised 21 July, 2012 by Ralph Abraham