Yazar
George Lenchner
5 cilt bulundu.
Cilt sonuçları
Math Olympiad contest problems for elementary and middle schools
George Lenchner · Glenwood Publications
280 sayfa · 1997
Mathematics / Problems, exercises / U.S.A. Mathematical Olympiad
Creative problem solving in school mathematics
George Lenchner · Glenwood Publications
295 sayfa · 1983
Problem solving / Study and teaching (Elementary) / Study and teaching (Secondary) / Mathematics
Mathematical Olympiad contest problems for children
George Lenchner · Glenwood Publications
176 sayfa · 1990
Mathematics / Problems, exercises / U.S.A. Mathematical Olympiad
The overhead projector in The mathematics classroom
George Lenchner · National Council of Teachers of Mathematics
30 sayfa · 1974
Audio-visual aids / Mathematics / Overhead projection / Study and teaching