TY  - BOOK
AU  - Murphy,Stuart J.
AU  - Schindler,S.D.
TI  - Betcha!
SN  - 0060267690
U1  - 519.5/44 20
PY  - 1997///
CY  - New York
PB  - HarperCollins
KW  - Approximate computation
KW  - sears
KW  - Arithmetic
KW  - Math and literature
N1  - 2-5; 7-10; 290; Lexile
N2  - Uses a dialog between two friends, one who estimates, one who counts precisely, to show estimation at work in everyday life
ER  -