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ORCHIDS The International School

Place Value

1) Represent the Given Numbers by Drawing the Correct Number of Beads on the Abacus.

The correct answer is:

2) Do the Addition by Using an Abacus.
  1. 22 + 36 = ?
  2. 54 + 11 = ?
  3. 87 – 36 =?

The correct answer is:

  1. First, represent the number 22 on an abacus. Then add the number 36. Count the total number of beads. So we get,
    22 + 36 = 58


  2. First, represent the number 54 on an abacus. Then add the number 11. Count the total number of beads. So we get,
    54 + 11 = 65


  3. We have to subtract 36 from 87. Remove 3 beads from 8 and 6 beads from 7 beads. Then count the remaining beads. So we get,
    87 – 36 = 51
 
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