Mathemateg : cyfnod allweddol tri : y llyfr adolygu (lefelau 3-6) /
Parsons, Richard.
Isaac, Colin.
University of Wales, Aberystwyth.Centre for Educational Studies.
Aberystwyth : Y Ganolfan Adnoddau Addysg,
2002.
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.
Mathematics