ALNCos must advise teachers at the school or Further Education Institution about differentiated teaching methods appropriate for individual pupils or students with ALN.
Mae'n rhaid i CADYau gynghori athrawon yn yr ysgol neu'r Sefydliad Addysg Bellach ynghylch dulliau addysgu gwahaniaethol sy'n briodol ar gyfer disgyblion unigol neu fyfyrwyr ag ADY.