Guiding arithmetic learning

Clark, John Roscoe

Guiding arithmetic learning John R. Clark and Laura K. Eads. - Yonkers-on-Hudson, N.Y. World Book Co. [1954] - 280 p. illus. 23 cm.

54014787 /L


Arithmetic--Study and teaching (Elementary)

QA135 / .C513

372.7
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