Here, on crisp and clear New England morning, is a worksheet on the Greek roots octa, oct and octo. You won’t be surprised to hear that they mean eight. These roots produce words across the curriculum, so a cursory review of them would be worthwhile.
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.