• A number is odd if it ends in 1, 3, 5, 7, or 9.
  • A number is even if it ends in 2, 4, 6, 8, or 0.
  • Find the numbers that end in 1, 3, 5, 7, or 9.
  • Notice the pattern. Every other number is odd.
  • The odd numbers are 7, 9 and 11.
  • Find the numbers that end in 2, 4, 6, 8, or 0.
  • Notice the pattern. Every other number is even.
  • The even numbers are 4, 6, 8 and 10.
  • Find the numbers that end in 1, 3, 5, 7, or 9.
  • Notice the pattern. Every other number is odd.
  • The odd numbers are 11, 13 and 15.