TY  - BOOK
AU  - Murphy,Stuart J.
AU  - Schindler,S.D.
TI  - Betcha!
SN  - 0060267682
AV  - QA276.8 .M87 1997
U1  - 519.5/44 20
PY  - 1997///
CY  - New York, NY
PB  - HarperCollins Publishers
KW  - Estimation theory
KW  - Juvenile literature
KW  - Arithmetic
N1  - "Level 3, estimating."; Includes bibliographical references (p. 33)
N2  - Uses a dialog between two friends, one who estimates, one who counts precisely, to show estimation at work in everyday life
ER  -