TY  - BOOK
AU  - Schmitt,Mary Jane
TI  - Seeking patterns, building rules: algebraic thinking - Teacher book 
T2  - EMpower series
SN  - 1-55953-722-1
U1  - 512 
PY  - 2005///]
CY  - CA : Key curriculum press
KW  - Algebra
KW  - Study and teaching
KW  - ALGEBRA, NUMBER THEORY
ER  -