Here is a context clues worksheet on the verb annotate, which is used both intransitively and transitively. I worked in a school in which students were regularly assigned annotation work without understanding what this act is.
Needless to say, it never went well.
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.