Arithmetic Teacher (1968) Vol. 15, No. 4
THE ARITHMETIC TEACHER Volume 15, number 4 APRIL 1968 Testing in mathematics: Why? What? How? Marion G. Epstein Enjoy the mathematics you teach Donovan A. Johnson Every teacher is a researcher c. A /an Riedesel A /so, the appropriateness of sets for elementary school students; teachers' understanding of new mathematics
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