TY  - BOOK
AU  - Bonnaud,Kenneth Charles
ED  - Schools Council (Great Britain).
TI  - Number appreciation
T2  - Mathematics for the Majority
SN  - 0701004843
AV  - QA141 
U1  - 513/.5 18
PY  - 1971///
CY  - London
PB  - Chatto and Windus
KW  - Numeration
KW  - fast
KW  - Number systems Secondary school texts
N1  - Includes bibliographical references (pages 112-113)
ER  -