TY  - BOOK
AU  - Bitter,Gary G.
AU  - Mikesell,Jerald L.
AU  - Maurdeff,Kathryn
TI  - Addition and subtraction games and ideas
SN  - 0070820465
AV  - QA115 .B56
U1  - 513/.2 
PY  - 1976///
CY  - Paoli, Pa.
PB  - Instructo/McGraw-Hill
KW  - Subtraction
KW  - Study and teaching
KW  - Addition
N1  - Bureche teacher resource library
ER  -