Each column in the top row should have one or two beads per row, while each column in the bottom row should have four. When you start, all of the beads should be up in the to… See more

Say you've got to add 1234 and 5678. Enter 1234 on the abacus by pushing up four beads in … See more

Record the problem on the abacus.
Start at the farthest left column of the abacus. Say you're
34 and 12. You need to assign columns to "3", "4", "X"… See more

Leave space for your answer to the right of the
When dividing on an abacus, you will put the divisor in the left-most column (s). Leave a co… See more