140 books • 19 series
Ffocws Rhifedd 1: Fy Nyddiadur Mathemateg (Ffocws Rhifedd 1) (Ffocws Rhifedd 4) (Ffocws Rhifedd 3) (Ffocws Rhifedd 5) (Ffocws Rhifedd 6) (Ffocws Rhifedd 2)
Numeracy Focus 3: Taflenni Cefnogi Gweithgared Activity Support Sheet (Ffocws Rhifedd 3) (Ffocws Rhifedd 5) (Ffocws Rhifedd 4)
Numeracy Focus 4: Llyfr Ffocws Dosbarth (Ffocws Rhifedd 4) (Ffocws Rhifedd 3) (Ffocws Rhifedd 5)