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2. Even and Odd

A number is even if it can be divided by \(2.\) Even numbers end in \(0,2,4,6,\) or \(8.\)

A number is odd if it cannot be divided by \(2.\) Odd numbers have remainder \(1\) when divded by \(2.\) They end in \(1,3,5,7,\) or \(9.\)

Example: Is \(13\) even or odd?

\(13\) ends in a \(3,\) so it is odd.

Example: Is \(18\) even or odd?

\(18\) ends in an \(8,\) so it is even.

\({}\)

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