<p><span style="font-size:22px"><a href="https://www.prepswift.com/quizzes/quiz/prepswift-even-versus-odd" target="_blank">Even Versus Odd Exercise</a></span></p><p>The simplest explanation of an even number is it's divisible by $2$ -- you can separate it into two equal halves.</p>
<p>The simplest explanation of an odd number is it's NOT divisible by $2$ -- you cannot separate it into two equal halves. </p>
<p>Of course on the number line, you see the integers like this:</p>
<p style="text-align: center;">$...even, odd, even, odd, even, odd, even, odd...$</p>