Mathematics Teacher (1968) Vol. 61, No. 6

  • Mathematics Teacher (1968) Vol. 61, No. 6

    Oc1'"'0B 1-1~R 1968 .J \'OtU~!E LXI. NU?-11.!1-:H n An Experimental Approach in the Teaching of Probability Eduard T~ . Spilznauel, Jr. Can Space Be Overtwisted? Dmt(Jlas . I . Hnyel Functions: Dependent Variables to Fickle Pickers Donald 11'. lli(fhl Research in Psychomathematics ./oseph .11 . Srandura A Journal of th