Mathematics Teacher (1969) Vol. 62, No. 5

  • Mathematics Teacher (1969) Vol. 62, No. 5

    MAy 1969 \"OLUME LX II. ~UMBP.Tl 5 A Heuristic Approach to Pythagorean Triples ./oh n II' ilson A Classroom Illustration of a Nonintuitive Probability Richard S . Kleber Friday-the-Thirteenth IVmiam T . Bailey Lively Functions for Algebra One Louis R. Jl cCreery An educator talks about the 0/G/AC teaching system •• Thi