odd and even integers

• Even numbers

  Multiples of 2
• Odd numbers

  Numbers that are not even
• Zero is an even number
• Determining if a number is even or odd

  1. Look at the ones digit

  2. If the ones digit is even, the number is even

  3. If the ones digit is odd, the number is odd
• The sum of two even numbers is an even number
• The sum of two odd numbers is an even number
• The sum of an even number and an odd number is an odd number
• The product of two even numbers is an even number
• The product of two odd numbers is an odd number
• The product of an even number and an odd number is an even number
• The difference of two even numbers is an even number
• The difference of two odd numbers is an even number
• The difference of an even number and an odd number, or an odd number and an even number, is an odd number