OK, if you have some more advanced math students on your hands, this reading on Pierre de Fermat–with an excursus on his Last Theorem–might be of some use to you. This vocabulary-building and comprehension worksheet accompanies the reading.
If you find typos in these documents, 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.