TY  - BOOK
AU  - Smith,Ann M.
TI  - Subtracting
T2  - Math club making progress
SN  - 9781595660978
U1  - 513.212 
PY  - 2006///
CY  - California
PB  - QEB Publishing
KW  - Subtraction
N1  - Primary; 500-599
N2  - Colorful examples and simple games introduce the concept of subtraction
ER  -