TY  - BOOK
AU  - Donofrio, Linda
TI  - Story problem made easy, bk1, gr.K-1: addition and subtraction sums to 20 
AV  - TR 372.7 D65 bk.1
PY  - 1989///
CY  - Bothel, WA
PB  - A Golden Educational Center
KW  - Mathematics -- study and teaching
KW  - Problems and exercises, etc
ER  -