even and odd

• 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
• Determining if numbers are even or odd


  • 25 - Odd (5 is odd)
  • 46 - Even (6 is even)
  • 174 - Even (4 is even)
  • 239 - Odd (9 is odd)
• Any number that is divisible by 2 is even
• Determining if numbers are even or odd


  • 1067 - Odd (7 is odd)
  • 5830 - Even (0 is even)
  • 47531 - Odd (1 is odd)
• Adding two even numbers


  Results in an even number
• Adding two odd numbers


  Results in an even number
• Adding an even number and an odd number


  Results in an odd number
• Multiplying two even numbers


  Results in an even number
• Multiplying two odd numbers


  Results in an odd number
• Multiplying an even number and an odd number


  Results in an even number
• Subtracting two even numbers


  Results in an even number
• Subtracting two odd numbers


  Results in an even number
• Subtracting an even number from an odd number, or an odd number from an even number


  Results in an odd number