Use technology to provide choice for your students. Choice is arguably the easiest way to get buy-in from students, and helps them to feel in control of their learning. The iPad opens up the possibilities of vide0, audio, art, performance, etc. and allows students to truly express themselves in the way they know best. Let your musical student write a song/rap to show what they've learned, let your art student create a drawing or video about it, and your techie create a video to show what they've learned. The students will love having the chance to get away from the worksheets and tests and try something creative!