Another easy little practice method, for playing soloistic stuff, using Progressive Steps to Syncopation, which you can play in conjunction with this other recent item. This one uses a favorite Gary Chaffee linear lick that sounds great, and it’s easy to play fast.
Here we’ll play it with the beats reversed:
Use any sticking you like on the 8th notes— alternating, hands in unison, improvise, whatever. Alternate at first. Once you can play lines 1-15 on the snare drum, you can move things around the drums, and experiment with the 8th notes portion, varying the sticking, putting some or all 8th notes on a cymbal, with the bass drum in unison.
On exercises with three beats of 16ths, play this: