We are finding that even in high school, we have some students that struggle with note naming, are simply not studying note names at all and are falling behind. Here is an easy and fun game that can help them with this. It can be customized to match the clef that their instrument plays in. HERE
Several students have struggled with using the metronome. There are numerous FREE apps available just type in the word 'metronome' and search or just type in 'metronome on Google and a usable one pops up immediately that requires no download.