Addasiad Cymraeg gan = Welsh adaptation by : Colin Isaac.
Argraffiad Saesneg gwreiddiol = Original English edition : Kirkby-in-Furness : Coordination Group Publications, 1998.
Yn cynnwys mynegai = Includes index.
Mathemateg : cyfnod allweddol tri : y llyfr adolygu (lefelau 5-8). ISBN 1856446646. Published by Y Ganolfan Astudiaethau Addysg in 2002. Publication and catalogue information, links to buy online and reader comments.