Breakthrough to math :
Irwon, Stephanie
Breakthrough to math : teacher's guide for level one / Stephanie Irwin. - Syracuse : New Reader's Press, 1984. - 38 p. ; ill.
0-88336-807-2
Mathematics -- study and teaching
TR(GS 510.7 / Irw9 1984
Breakthrough to math : teacher's guide for level one / Stephanie Irwin. - Syracuse : New Reader's Press, 1984. - 38 p. ; ill.
0-88336-807-2
Mathematics -- study and teaching
TR(GS 510.7 / Irw9 1984