Education must be suitable to the age, ability and aptitudes of the child, and any additional learning needs (or special educational needs) they may have.
Rhaid i’r addysg fod yn addas ar gyfer oedran, gallu a doniau’r plentyn, ac unrhyw anghenion dysgu ychwanegol (neu anghenion addysgol arbennig) sydd ganddo, os oes rhai ganddo.