TY  - BOOK
AU  - Hull, Ted H.
TI  - Math games : : getting to the core of conceptual understanding / 
SN  - 9781425810139  
U1  - TR 372.7044 N4201hu 2013 
PY  - 2013///
CY  - California
PB  - Shell Education, 
KW  -  Mathematics--Stud and teaching
ER  -