TY  - BOOK
AU  - Cook, Mercy
TI  - Arithmetwists, bk. A: number combination 
SN  - 1-56107-619-8
AV  - TR 513.1 C77 1995
PY  - 1995///
CY  - Mountain View, CA
PB  - Creative
KW  - Arithmetic -- Problems, exercises, etc -- study and teaching
KW  - Number theory
N1  - students text for grade 2. Two books in one "Equations" (part 2)
ER  -