8 books • 3 series
Sut i Ddisgleirio mewn Adio a Thynnu hyd at 20
Sut i Ddisgleirio mewn Cyfrif hyd at 10
Sut i Ddisgleirio mewn Dechrau Lluosi a Rhannu
How to Sparkle at Beginning Multiplication and Division (How to Sparkle)
The Arithmetic of Tax and Social Security Reform (Department of Applied Economics Occasional Papers)
How to Sparkle at Addition & Subtraction to 20 (How to Sparkle)
How to Sparkle at Counting to 10 (How to Sparkle)
Money (Folens First Steps to S.)