incremental

"My salary will increase by a small increment each year. "

"Buying more servers would improve performance."

"Only a small fraction of the students passed the difficult math test. "

"The liftoff will occur in exactly twelve seconds."

"The documents pertaining to my car insurance claim are now all submitted. "

"The teacher explained the lesson thoroughly throughout the entire class period. "

""Many students have problems understanding fractions." "

"He saved money incrementally each week, putting a little aside until he had enough for the new bicycle. "

"The improvement in her math scores was noticeable after she started attending extra tutoring sessions. "

"The teacher patiently explained the math problem, and the students were able to understand the steps involved. "

"The construction of the new building will progress in small increments to minimize disruption to the neighborhood. "

"Because she had been a dancer for years, she was a practiced performer. "