01824cam a2200325 4500 790248106 TxAuBib 20230503120000.0 051222|||||||||||||||||||||||||||||eng|u 2005037289 9780307338402 pbk. : alk. paper 0307338401 pbk. : alk. paper (OCoLC)62742585 TxAuBib Benjamin, Arthur. Secrets of mental math [ANF] : the mathemagician's guide to lightning calculation and amazing math tricks / Arthur Benjamin and Michael Shermer. 1st ed. New York : Three Rivers Press. xxiv, 278 p. : ill. ; 21 cm. "Originally published in different form as Mathemagics by Lowell House, Los Angeles, in 1993"--T.p. verso. Includes bibliographical references (p. [271]-272) and index. Quick tricks : easy (and impressive) calculations -- A little give and take : mental addition and subtraction -- Products of a misspent youth : basic multiplication -- New and improved products : intermediate multiplication -- Divide and conquer : mental division -- Good enough : the art of "guesstimation" -- Math for the board : pencil-and-paper math -- A memorable chapter : memorizing numbers -- The tough stuff made easy : advanced multiplication -- Presto-digit-ation : the art of mathematical magic -- Epilogue by Michael Shermer : how math helps us think about weird things. 20230503. Mental arithmetic Study and teaching. Magic tricks in mathematics education. Mental calculators. Shermer, Michael. Benjamin, Arthur. TXGPL