Whimbey, Arthur. Developing mathematical skills computation, problem solving, and basics for algebra Arthur Whimbey, Jack Lochhead. - New York McGraw-Hill c1981. - xviii, 455 p. ill. 28 cm. Includes index. ISBN: 0070695172 (pbk.) LCCN: 80019825 Subjects--Topical Terms: Arithmetic--1961.Algebra LC Class. No.: QA107 / .W48 Dewey Class. No.: 513/.12