TY  - BOOK
AU  - McIntosh,Alistair
TI  - Number sense: simple effective number sense experiences 
SN  - 1572322632
PY  - 1997///
CY  - Palo Alto, CA
PB  - Dale Seymour Publications
KW  - Mathematics
KW  - Problems, exercises, etc
KW  - Study and teaching (Primary)
N1  - "Grades 4-6"--Title page
UR  - http://www.archive.org/details/numbersensesimpl00mcin
UR  - http://www.openlibrary.org/books/OL24238366M
ER  -