TY  - BOOK
AU  - Rosenquist,Lucy Lynde
TI  - Young children learn to use arithmetic
AV  - QA135 .R763
U1  - 372.7 
PY  - 1949///]
CY  - Boston
PB  - Ginn
KW  - Arithmetic
KW  - Study and teaching
KW  - Local
N1  - Includes bibliographies
ER  -