Arithmetic Teacher (1978-1979) Vol. 26, No. 5

  • Arithmetic Teacher (1978-1979) Vol. 26, No. 5

    hmatic ChC! Volume U :2-.C. Number 5 January 1979 (:laadc!r)' Dialogua Ed ito,•• Note: The currcnc} oftener' tu lht e-dt tor of ..t JOUrno~l h~c the .-frtthut('IU 7tacltt'r 1\ Jh'a)~ .1 ("'tOhkm 1\L tht \<Cf)' bt\1, (mar month' \\Ill h~t\'C cl.t(l'cd bct"ccn I he tt tne "hen Jfl Mttck i\ ruhiJ,hc:d .md the IIOlC \!.hen