TY  - BOOK
AU  - Glasthal,Jacqueline B
TI  - American history math: 50 problem-solving activities that link math to key events in U.S. history 
AV  - LB1589.G549.A447 1996 
PY  - 1996///
CY  - New York, New York
PB  - Scholastic Professional
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Social sciences
N1  - For grades 4 to 8; 2
ER  -