TY  - BOOK
AU  - Ross,Catherine Sheldrick
AU  - Slavin,Bill
TI  - Circles: fun ideas for getting A-round in math 
AV  - QA484 .C573 1993
PY  - 1993///
CY  - Reading, Massachusetts
PB  - Addison-Wesley
KW  - Circle
KW  - Juvenile literature
N1  - 4; 2
N2  - Uses a variety of activities to introduce the many types of circles and spheres we encounter in everyday life
ER  -