Mae'r adnodd yma i'w ddefnyddio er mwyn ymarfer sgiliau rhif sylfaenol. Mae yna ddewis o gridiau A5 neu A4. Maent wedi eu trefnu yn ôl blwyddyn ond yn amlwg dylid eu defnyddio yn ôl anghenion disgyblion yn hytrach nag oedran.

This resource is focused on giving pupils an opportunity to practice basic number skills. They are available to download on A5 or A4 grids. They have been organised according to age, however, the 'stage not age' approach should be take when choosing the appropriate level.