As trevor learns about long division, his mother first needs to him a lot. she gradually decreases the level of support as trevor's ability in this area grows. this is an example of

SCAFFOLDING

Explanation:Scaffolding is a temporary structure used by teachers, parents to expose and help children learn,master and know how to carry out certain activities. In this system the teacher helps the children or child from the earlier stages as the student starts to grow in knowledge and ability the level of support or help from his teacher or parent continue to drop until he or she is fit enough to carry out that activity effectively.

i'd say the answer is nuisance. i hope i .