Arithmetic Teacher (1978-1979) Vol. 26, No. 1

  • Arithmetic Teacher (1978-1979) Vol. 26, No. 1

    Arithmcztic ~C!CIChC!r volume 26 I • ~eup~;~~~r 1978 iJ ILJI [~~~~~If ~~ miiJI~/~$ u EACH ~(1~@0@~ . . . ~ ~ ~ -------The Arithme tic Tea cher is on official journal of the Notional Council of T eochers of Mathemattics It is a fo rum for the exchange of ideas, where responsib le contributors may evaluate developments,