I found an op-ed article titled ‘Teaching to the Text’ in today’s New York Times (www.nytimes.com/2011/03/20/opinion/20selsberg.) interesting as a non-native English learner. However, I stumbled on a phrase, ‘slip someone an assignment’ as used in the following sentence, as the word, ‘slip’ appears to be used to me in very different way from I usually use - such as ‘slide a short distance accidentally’ or ‘go / put quickly’ as defined by COD.
Can somebody explain me what nuance does the word ‘slip’ have in this particular sentence? Is ‘slip’ used in this way very often?
‘I don’t expect all my graduates to go on to Twitter-based careers, but learning how to write concisely, to express one key detail succinctly and eloquently, is an incredibly useful skill, and more in tune with most students’ daily chatter, as well as the world’s conversation.’ So a few years ago, I started slipping my classes short writing assignments alongside the required papers. Once, I asked them, “Come up with two lines of copy to sell something you’re wearing now on eBay.'