To add 12, enter 1234 on the abacus by pushing up four beads in the one's place, three in the tens place, two in the hundreds place, and one in the thousands place To learn more about Abacus Counting, check out Abacus Counting. It is easier to use one’s thumb to move the beads in the top row, and the index finger to move the beads in the bottom row. "One" would be represented by pushing a single bead from the bottom row in the farthest column on the right to the "up" position, "two" by pushing two, etc. To count a digit, push one bead to the "up" position. So, the farthest column on the right would be the "ones" place (1-9), the second farthest the "tens" place (10-99), the third farthest the hundreds (100-999), and so on. The beads in the top row represent the number value 5 and each bead in the bottom row represents the number value 1.Įach column of beads represents a "place" value”. While starting, all of the beads should be up in the top row, and down in the bottom row. The top row is worth 5 of the bottom row Exampleħ can be made using one bead on the top row, and 2 beads from the bottom row, because 5 + 2 = 7.įirst, make sure each column in the top row has one or two beads per row and each column in the bottom row has four. There are two beads in the top row, and five beads in the bottom one. The most common abacus is split into two basic rows:
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