Heddiw, mae Llywodraeth Cymru wedi cyhoeddiadroddiad ystadegolar batrymau cyrhaeddiad mewn darllen a rhifedd, gan ddefnyddio data ar lefel genedlaethol o asesiadau personol.
The Welsh Government has today published astatistical reporton patterns in attainment in reading and numeracy, using national-level data from personalised assessments.