TY  - BOOK
AU  - Crescimbeni,Joseph
TI  - Treasury of classroom arithmetic activities
AV  - QA135.5 .C72
U1  - 372.7/2 
PY  - 1969///]
CY  - West Nyack, N.Y.
PB  - Parker Pub. Co.
KW  - Arithmetic
KW  - Study and teaching
KW  - Local
KW  - Mathematical recreations
ER  -