Chwech uned o daflenni a Llawlyfr athrawon = Six units of leaflets and teacher's handbook.
Mathemateg : deunyddiau asesu dewisol cyfnod allweddol 1: pecyn athrawon. ISBN 1861125194. Published by Awdurdod Cymwysterau, Cwricwlwm ac Asesu Cymru in 2003. Publication and catalogue information, links to buy online and reader comments.