"Fluency instruction" refers to teaching and practicing a skill or knowledge until it can be done easily, smoothly, and without hesitation. It is like becoming very good at something through learning and practice. Full definition
, What research has to say about fluency instruction. (readnaturally.com)
The most effective fluency instruction consists of repeatedly reading aloud from the same text, either with teacher assistance or independently. (ascd.org)
Adding a measure like this to any reading rate assessment would take very little time, but would greatly improve fluency instruction. (shanahanonliteracy.com)