Knowing the number of strokes used to make each character is important, especially when it comes to looking them up in a dictionary, as you"ll read about in article: Chinese Character Radicals and Dictionaries.
Characters themselves vary in number of strokes from one to thirty. And does it frighten you to know that there are over 20,000 Chinese characters to choose from? It did me when I first heard that. But fear not: Even knowing just the most commonly used 2,000 will more than make you functionally literate.
The following illustration shows a random example for each number of strokes. See if you can count them all.