I just looked at my BGU book, Lesson 6.1 (The Tore Down Rhythm) - it's in "4/4" time and lots of the notes are tied 8th notes. So, I would go with the "One and Two and Three...." If I see a 12/8 time signature and "triplets" (3 notes tied together), then I would go with the "one-and-uh, two-and-uh, etc