In which of the following approaches are language items first taught orally, with reading and writing systematically following the oral work?

Consider the statements A and B: (A) The teacher should be silent as much as possible in the classroom and learners should be encouraged to produce as much language as possible. (B) Colour charts and coloured Cuisenaire rods should be used to elicit proper pronunciation. These are the premises of:

Identify the core principles of cooperative language learning.