Cyn y pandemig, roedd Cymru yn gwneud cynnydd cadarnhaol o ran llythrennedd a rhifedd. Fodd bynnag, mae'n dod yn amlwg bod effeithiau'r pandemig wedi dad-wneud rhywfaint o'r cynnydd hwn. Maeadroddiaddiweddar gan Lywodraeth Cymru ar gyrhaeddiad mewn darllen a rhifedd wedi manylu ar rai o'r effeithiau.
Before the pandemic, Wales was making positive progress in literacy and numeracy. But it’s becoming clear the impacts of the pandemic have undone some of these gains. A recent Welsh Governmentreporton reading and numeracy attainment has detailed some of the impacts.