Bounce Drill with Numbers Theory Things   William Wieland
Each number followed by a comma is sung as a quarter note, all others are eighth notes. This exercise can be sung as a canon.

 4 
22 3 22 33 2
 1,   1  1,   1  1,   1  1,   etc.

 8,   8 7 8,   8 77 8,   8 77 8,   etc.
 6  6 5 6