write an argumentative essay on why homework is important

As you prepare your argumentative essay, it is important to bear a few things in mind. First, know the main components of an argumentative essay. (This Purdue University page is a great help). Of course, you should have the usual introduction (which introduces your thesis statement and gives the audience a basic overview of the essay itself), the body (each of your main points presented in concise paragraphs), and your conclusion (which summarizes your argument and brings your paper to a close).
Second, conduct the proper research necessary to not only argue your point well but also genuinely represent the opposing side. You will want to avoid a “strawman” fallacy, in which you establish the other side according to a false picture and then attack that false representation. It would be as if you said, “Those claiming that homework is unimportant do not have substantial evidence to back their claim.” Here, you claimed that the opposing side operated according to a certain lack of understanding, while in reality they likely have some representatives that have conducted research. Ironically, you would be committing the same fallacy that you are ascribing to the other side.
Third, pursue quality sources. Concerning the issue of homework’s importance, ask a librarian or your teachers where they might go to explore this idea. They will likely recommend certain books and articles that helped them in their own pursuit of this topic. Your local library system likely includes dozens of books on education and the effectiveness of certain classroom techniques. A quick Google or Wikipedia search is not the answer.
Concerning the topic itself, you will find (no doubt) that the vast majority of modern educational institutions among first world countries emphasize homework. This places a greater burden on you in representing the other side accurately. Those who argue for homework’s importance usually emphasize the value of repetition and uniformity in the class’s developed understanding. Those who devalue homework’s importance often point to the lack of the child’s own unique creativity and imagination being involved and further nurtured. Still, several other factors are involved, such as the child’s home situation, parental reinforcement, school system quality, and so on. It is up to you, then, to better understand how these factors relate to homework and to each other as you formulate your argument.
https://education.cu-portland.edu/blog/classroom-resources/the-homework-debate-the-case-against-homework/

https://today.duke.edu/2006/09/homework_oped.html