Watch the Connecting Pentatonics Exercise 2 online guitar lesson by Jeff McErlain from Beginner Blues-Rock Soloing
A fun way to keep exercises interesting is playing them over a background track once you know them. For example, play these minor pentatonic scale fingerings over the D minor vamp we've been using for our previous exercises. Don't necessarily try to solo, just play the scale using eighth notes in time over the track. The track acts like a metronome and you get the added benefit of hearing the harmony of the scale over the chord progression. This is fun and educational as you get to hear how the scale functions, and in doing so you might get some cool ideas.