Page 105 - New Medley 4 Semester 1

Example 16: Represent the numbers using an abacus.

(a) 38712 (b) 230987

Solution: (a) (b)

TTh Th H T O L TTh Th H T O
Example 17: Read the numbers represented on the abacus.

(a) (b)

TTh Th H T O L TTh Th H T O
Solution: (a) 23940 (b) 451983

EXERCISE 1.4

A. Draw a spike abacus on your notebook and represent the following on

them.
1. 44256 2. 32765 3. 26078 4. 723604 5. 518075

B. Write the numeral represented on the abacus.

1. 2.

TTh Th H T O L TTh Th H T O

Successor And Predecessor

Z Z The number that comes just after a number is called its Successor.
Z 23246 comes just after 23245. So 23246 is successor of 23245.

318321 comes just after 318320. So 318321 is successor of 318320.

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