'At school, children learn small cognitive skills, each with a | WordNet

"At school, children learn small cognitive skills, each with a limited range, one at a time. They provide scaffolds on which children in school can gradually build with more and more ease, a larger repertoire of small skills that are relevant across a range of problems and tasks."

cognitive
/ˈkɑːɡnətɪv/

adjective

connected with mental processes of understanding

scaffold
/ˈskæfəʊld/

noun

[C] a structure built next to a wall, for workers to stand on while they build, repair, or paint a building

repertoire
/ˈrepərtwɑːr/

noun

[C, usually singular] all the things that a person is able to do