Be prepared with extra activities to work on after your lecture is the best option; as well as taking notes of how well did that lesson go.

Listen to students, understand them and let them know that we care for them is a great way to improve their behavior and performance in class.

We always have some challenge students in the classroom and these techniques are great to put them in practice.

It's important to set up the expectations since day 1, so there will be no misunderstanding about it. Also, it's neccesary to define deadlines for their assignments, so they can be aware without surprise of take off points if it's turned in late.

Both of the motivators are very important, but while you can work on the extrinsic ones toward the students, the intrinsic ones have to be on their own. But it's very importantant to keep encouraging them to try their best.