TY  - BOOK
AU  - Cook, Marcy
TI  - Arithmetwists, teacher's edition
SN  - 1-56107-672-4
AV  - TR 513.1 C77 1995
PY  - 1995///
CY  - Mountain View, CA
PB  - Creative
KW  - Arithmetic -- Study and teaching
ER  -