Arithmetic Teacher (1968) Vol. 15, No. 4

  • 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