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Even and odd numbers

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Learn it Only the ones digit matters. Even numbers end in 0, 2, 4, 6 or 8; odd numbers end in 1, 3, 5, 7 or 9.

Example: Is 347 even or odd?

  1. Look at the ones digit: 7.
  2. 7 is odd, so 347 is odd.
  3. Tip: even + even = even, odd + odd = even, even + odd = odd.

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