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Diane Ravitch: Ethnomathematics

Diane Ravitch, in the WSJ (6-20-05):

[Diane Ravitch is Research Professor of Education at New York University. She holds the Brown Chair in Education Policy at the Brookings Institution in Washington, D.C., where she is a Visiting Senior Fellow and edits the Brookings Papers on Education Policy. Dr. Ravitch is on the Board of Trustees of the Thomas B. Fordham Foundation.]

It seems our math educators no longer believe in the beauty and power of the principles of mathematics. They are continually in search of a fix that will make it easy, relevant, fun, and even politically relevant. In the early 1990s, the National Council of Teachers of Mathematics issued standards that disparaged basic skills like addition, subtraction, multiplication and division, since all of these could be easily performed on a calculator. The council preferred real life problem solving, using everyday situations. Attempts to solve problems without basic skills caused some critics, especially professional mathematicians, to deride the "new, new math" as "rainforest algebra."

In a comparison of a 1973 algebra textbook and a 1998 "contemporary mathematics" textbook, Williamson Evers and Paul Clopton found a dramatic change in topics. In the 1973 book, for example, the index for the letter "F" included "factors, factoring, fallacies, finite decimal, finite set, formulas, fractions, and functions." In the 1998 book, the index listed "families (in poverty data), fast food nutrition data, fat in fast food, feasibility study, feeding tours, ferris wheel, fish, fishing, flags, flight, floor plan, flower beds, food, football, Ford Mustang, franchises, and fund-raising carnival."...

...Partisans of social justice mathematics advocate an explicitly political agenda in the classroom. A new textbook, "Rethinking Mathematics: Teaching Social Justice by the Numbers," shows how problem solving, ethnomathematics and political action can be merged. Among its topics are: "Sweatshop Accounting," with units on poverty, globalization, and the unequal distribution of wealth. Another topic, drawn directly from ethnomathematics, is "Chicanos Have Math in Their Blood." Others include "The Transnational Capital Auction," "Multicultural Math," and "Home Buying While Brown or Black." Units of study include racial profiling, the war in Iraq, corporate control of the media, and environmental racism. The theory behind the book is that "teaching math in a neutral manner is not possible." Teachers are supposed to vary the teaching of mathematics in relation to their students' race, gender, ethnicity, and community.

This fusion of political correctness and relevance may be the next big thing to rock mathematics education, appealing as it does to political activists and to ethnic chauvinists...