Developing mathematical : reasoning in grades K-12 : 1999 yearbook / ed. Lee V. Stiff, Frances R. Curcio

Developing mathematical : reasoning in grades K-12 : 1999 yearbook / ed. Lee V. Stiff, Frances R. Curcio . - Reston : National Council of Teachers of Mathematics, cop. 1999 . - VIII, 288 p. : il. 24 cm
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