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Lamon, Susan J., 1949-

Teaching fractions and ratios for understanding : essential content knowledge and instructional strategies for teachers / Susan J. Lamon. - 3rd ed. - New York ; London : Routledge, c2012. - xiii, 266 p. : ill. ; 26 cm.

Includes index.

ISBN: 9780415886123 (pbk.)

Subjects--Topical Terms:
Fractions--Study and teaching (Elementary)
Ratio and proportion--Study and teaching (Elementary)

Dewey Class. No.: 372.72 / LAM 2012