Arithmetic Teacher (1967) Vol. 14, No. 2

  • Arithmetic Teacher (1967) Vol. 14, No. 2

    THE ARITHMETIC TEACHER Volume 14, number 2 FEBRUARY 1967 Geometry, yes-but how? Lewis B. Smith Geometry alive in primary classrooms Janet M. Black Congruence and measurement Stanley B. Jackson A look at triangle congruence Thomas c. O'Brien Some problems in geometry John J. Sullivan A more elementary view of the irrati