TY  - BOOK
AU  - Williams,Elizabeth M.
AU  - Shuard,Hilary
TI  - Primary mathematics today / 
SN  - 0582180422 :
U1  - 372.7 
PY  - 1976///
CY  - London
PB  - Longman
KW  - Mathematics
KW  - Study and teaching (Primary)
N1  - includes appendix and index
; 1.	First discoveries
2.	Concrete operations
3.	Extending ideas of number and space
4.	The collection and treatment of data 
5.	More abstract ideas develop

ER  -