Odd numbers and Even numbers

Even numbers - all numbers ending with 0,2,4,6,8 are even numbers
Example - 10, 14, 42, 56, 18 are all even numbers.

Odd numbers - all numbers ending with 1,3,5,7,9 are odd numbers
Example - 11, 23, 45, 57, 19 are all odd numbers.

Here comes an interesting activity done by Adarsh.