Jerome Bruner was an American psychologist who proposed the CPA Approach for teaching math fundamentals in the 1960s, which believed learning needs to be scaffolded through effective representations and manipulatives. He also proposed the idea of a spiral curriculum where teachers should encourage learners' participation through exploration and inquiry.

2. JEROME BRUNER
An American psychologist who proposed CPA Approach
as a means of teaching math fundamentals in the 1960’s
He believed in the abstract nature of learning
therefore, learning needs to be scaffolded by the
use of effective representations and
manipulatives.
Proposed the idea of spiral curriculum and felt that
teachers/teachers should encourage the learners
participation through exploration and inquiry.