Page 11 - Fun with Mathematics 2

NUMBERS ON THE ABACUS

For a 3-digit number, we use three rods on an abacus. The three rods starting
from the right represent the ones, tens and hundreds place.

H T O

2 5 3
4
For a -digit number, we use four rods. The fourth rod on extreme left represents
the thousands place.
Th H T O

4 2 5 3

13 Write the numbers represented by each abacus given below.
(a) Th H T O (b) Th H T O (c) Th H T O (d) Th H T O

4
1 Draw beads on the abacus to show the numbers given below.
4
(a) 10 6 (b) 3572 (c) 6805 (d) 9909
Th H T O Th H T O Th H T O Th H T O

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