Teachers, save “Cyfri cregyn ar gestyll tywod Seren a St…” to assign it to your class.

Ydych chi’n gallu adnabod y rhifau a rhoi’r nifer cywir o gregyn ar gestyll tywod Seren a Stan? • darllenwch y rhif • gwasgwch symudwch y nifer cywir o gregyn ar y cestyll Can you recognise the numbers and put the correct number of shells on each of Seren and Stan’s sandcastles? • Read the number • click on and put the correct number of shells on each sandcastle