I'd like to improve my phrasing when I need to give sanctions to students. An example...a few mature and sensible Year 10 students haven't done their homework on time. I''ve only just started working with this class, and - wanting to simply set high expectations and work on the assumption that they *would* do their homework - I haven't explicitly said, or 'threatened', what would happen if they didn't do it. [I can see that's a debatable strategy]. But now they haven't done it. I want to give them the responsibility to sort out the problem. I'll ask them at the end of the lesson what they want to do about it. I expect they'll say, 'hand it in tomorrow', or some such. But I also want to ('automatically') sanction them for not handing it in on time. I'd prefer to just hold them in over break time (given that break immediately follows this lesson). But how best to tell then that? I don't like lines like 'well you're now wasting my time, so I'll waste 15 minutes of your time'. I want to basicaly just say 'okay, that's fine, hand it in tomorrow - but to remind you (or to 'teach you') not to hand it in late again I want you to stay here for 15 minutes'. And what should I get them to do? I definately want it to be a punishment (so sorting out admin things for me, or sorting things out is no good because some students, I believe, actually quite like this (even though they may 'complain', and be losing the freedom of their break time). Also, getting them to do maths is 'bad' because I never want to associate doing maths with 'punishment'. I also don't think it's sufficiently serious to warrant writing a 'reflection' on why they didn't hand it in on time, and what they will do in future to make it happen. If it was the 5th time they'd failed to do it, then that might well be appropriate. So two questions really. i) how to phrase an 'automatic' sanction in a matter-of-fact way, without it sounding vindictive or pathetic. ii) what's a good 'punishment' activity to do during break time? Thoughts and advice welcome. Thanks.