By summer 2023 pupils in Wales were assessed for the second year in numeracy (reasoning), marking the point at which there were at least two years of data for all four areas that are assessed.
Erbyn haf 2023 aseswyd disgyblion yng Nghymru am yr ail flwyddyn mewn rhifedd (rhesymu), gan nodi'r pwynt lle roedd o leiaf dwy flynedd o ddata ar gyfer pob un o'r pedwar maes sy'n cael eu hasesu.