Unless you’re teaching Jonathan Swift (to wit, Gulliver’s Travels), or think that you might be able to persuade students to use the word as a softer, more benign insult than students typically use with one another, I suspect this context clues worksheet on the noun yahoo won’t be of much use to you. But there it is if you need or want it.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.