Addition drill for levels 1-3

Bibliografiske detaljer
Hovedforfatter:	Mock, Valerie E.
Format:	Bog
Sprog:	English
Udgivet:	Belmont, Calif. David S. Lake Publishers c1982.
Serier:	A learning workbooks : Mathematics [v.2]
Fag:	Addition > Study and teaching (Primary) Addition > Problems, exercises, etc.