Well, there are many things about numbers that students have to also learn. One of them is that they have to be able to determine whether a number is odd or even. To make them understand the concept of odd and even numbers, they have to be exposed to the real problems of differentiating the odd numbers from the even ones.
Such experience in solving odd and even problems can be found in these odd and even worksheets for students.
image via www.2ndgradeworksheets.net
