 Even and Odd Numbers - Orchids The International School Even and Odd Numbers

We can classify every number into even and odd numbers. A number can either be an even number or an odd number.

Even Numbers

Numbers having 0, 2, 4, 6, or 8 at ones place are called even numbers.

Even numbers are divisible by 2.

Examples: 14, 42, 56, 108, 230 etc.

Odd Numbers

Numbers having 1, 3, 5, 7, or 9 at ones place are called odd numbers.

Examples: 13, 47, 65, 117, 267 etc.

Arithmetic Rules for Even and Odd Numbers

• Sum of two even numbers is always an even number.
• Even + Even = Even

Examples: 16 + 12 = 28

• Sum of two odd numbers is always an even number.
• Odd + Odd = Even

Examples: 13 + 17 = 30

• Sum of an odd number and an even number is an odd number.
• Even + Odd = Odd

Examples: 24 + 35 = 59

• Difference of two even numbers is an even number. Difference of two odd numbers is an even number.
• a)Even – Even = Even b) Odd – Odd = Even

Examples: a)14 – 12 = 2 b) 105 – 101 = 4

• Difference of an even number and an odd number is an odd number
• Even – Odd = Odd Odd – Even = Odd

Examples: a) 36 – 23 = 13 b) 45 – 34 = 11  • -