Mesurau, siâp a gofod : gweithgareddau i ddysgu rhifedd.
Koll, Hilary.
Mills, Steve,1955-
Kervegant, Ffion.
University of Wales, Aberystwyth.Centre for Educational Studies.
Aberystwyth : Canolfan Astudiaethau Addysg,
c2009.
Arg. Saesneg gwreiddiol = Original English ed.: London : A. & C. Black, 2004.
Cyfieithydd = Translator: Ffion Kervegant.
"50+ o weithgareddau a gwersi i'w llungopïo" - ar y clawr = on cover.
Mathematics
Measurement
Geometrical constructions
Form perception
Size perception
Space perception