Murphy, Stuart J. 1942- creator Schindler, S. D. ill. text bibliography nyu New York, NY HarperCollins Publishers c1997 1997 1st ed. monographic eng

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33 p. : col. ill. ; 21 x 26 cm. Uses a dialog between two friends, one who estimates, one who counts precisely, to show estimation at work in everyday life. juvenile by Stuart J. Murphy ; illustrated by S.D. Schindler. "Level 3, estimating." Includes bibliographical references (p. 33). Estimation theory Juvenile literature Arithmetic Estimation theory QA276.8 .M87 1997 519.5/44 0060267682 0060267690 (lib. bdg.) 0064467074 (pbk.) 96-015486 http://www.loc.gov/catdir/description/hc041/96015486.html http://www.loc.gov/catdir/description/hc041/96015486.html DLC 070415 20230110144616.0