Gellir cael gwybodaeth gyffredinol am y prif wahaniaethau rhwng manylebau’r TGAU presennol a chynllun y TGAU newydd mewn Cymraeg Iaith, Saesneg Iaith a mathemateg mewn taflen a gyhoeddwyd ym mis Mehefin.
The key differences between current GCSEs specifications and the design of the new GCSEs in English Language, Welsh Language and maths are set out in a leaflet published in June.