Page 81 - ICSE Math 2

How To Do?

• Look at any telephone or mobile phone in your house and note the
digits of the fi rst row.

• Arrange the digits to form the greatest and the smallest 2-digit
numbers.

• Find the diff erence between the two numbers.

• Repeat the same ac vity for the digits of the second and third rows.

Row Digits Greatest 2-digit Smallest 2-digit
Diff erence
number obtained number number

1

2

3

71