TAILIEUCHUNG - MATHEMATICS TEXTBOOKS FOR PROSPECTIVE ELEMENATARY TEACHERS: WHAT'S IN THE BOOK?

When you begin your performance, spread the cards showing they are ‘random’, then ‘notice’ the Joker, take it out and split the deck at that point. Give one half to each spectator. They do their selecting and swapping, but when you get the cards back you simply look for the card that’s out of place in the respective sections. There will be a prime valued card in the non-primes pile and via versa. Use your performance (and mathematical) skills to reveal their selected cards. You could present this as a demonstration of your super-powered sense of smell. When the spectators. | MATHEMATICS TEXTBOOKS 1 Running Head MATHEMATICS TEXTBOOKS Mathematics Textbooks for Prospective Elementary Teachers What s in the books Raven McCrory Michigan State University Helen Siedel University of Michigan Andreas Stylianides University of California Berkeley This research is funded by the National Science Foundation Grant No. 0447611 the Center for Proficiency in Teaching Mathematics at the University of Michigan and Michigan State University. Correspondence concerning this article should be addressed to Raven McCrory mccrory@ 513G Erickson Hall East Lansing MI 48824 517-353-8565 MATHEMATICS TEXTBOOKS 2 Abstract This paper reports on an analysis of mathematics textbooks written for use in courses designed for prospective elementary teachers. We address two questions 1 How do the contents of these books compare overall 2 What are similarities and differences across the textbooks in three specific topics - fractions multiplication and reasoning and proof In this study we find that book content is consistent at the level of chapter titles and topics included the books cover the same material. We find however that the level of detail depth and breadth of approaches presentation of material and functionality of the books varies widely. With respect to the selected topics the books vary in how they introduce the topics what they include and how they connect mathematics within and across topics. MATHEMATICS TEXTBOOKS 3 Mathematics Textbooks for Prospective Elementary Teachers What s in the books The importance of textbooks Textbooks are often the primary source of teaching material for K-12 classroom teachers Sosniak Perlman 1990 . Some argue that textbooks create a national curriculum for mathematics and science in K-12 schools. At the same time we know that in many cases teachers use textbooks flexibly changing the order of topics picking and choosing what they teach Freeman 1983 Schmidt et al. 1997 Stake Easley 1978 Stodolsky 1988 1989 . While the extent

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