Mathemateg HBJ
Subtitle: llyfr gweithgareddau blwyddyn 4: neidio/mwy a llai
By: Daphne Kerslake ... (et al.) ; addasiad Cymraeg gan Janet Davies.
Contributors: Kerslake, Daphne.; Davies, Janet.; Welsh Joint Education Committee. Cynllun Adnoddau.
Publisher: Collins Educational
Published: 1994
Place of publication: Llundain
Language: wel
Number of pages: 32
Subjects: Mathematics -- Study and teaching -- Activity programs -- Great Britain.; Education, Elementary -- Activity programs -- Great Britain.
Work titles: HBJ mathematics activity book year 4. Welsh.
Notes: Arg. Saesneg gwreiddiol= Original English ed.: Harcourt Brace Jovanovich, 1991.

Cyhoeddwyd dan nawdd Cynllun Adnoddau Cyd-bwyllgor Addysg Cymru = Publication sponsored by Welsh Joint Education Committee Cynllun Adnoddau.

Addasiad Cymraeg o = Welshadaptation of: HBJ mathematics activity book year 4: Jumps/Growing and shrinking.