Checking up 2
By: Nuffield Mathematics Project.
Publisher: W. and R. Chambers; J. Murray
Published: 1972
Place of publication: Edinburgh; London
Language: eng
Number of pages: 61
Subjects: Mathematics -- Study and teaching (Elementary)
Notes: Twelve cards (col. ill.) in pocket.

ISBN 0 7195 2705 8 (J.Murray) Pbk:  1.05.