Howard F. Munch, Some Methods of Teaching Plane Geometry, The High School Journal, Vol. 12, No. 1 (Jan., 1929), pp. 5-16 ...

THIS book contains a revised edition of Books III., IV., V., of the “Syllabus of Plane Geometry” drawn up by the Association for the Improvement of Geometrical Teaching, with demonstrations of ...

THIS little book will be found very useful for the teaching of the fundamental principles of geometry to young students. The most important properties of triangles and other plane figures are ...

LILIAN L. CRAFTS, CAUSES OF FAILURE IN PLANE GEOMETRY AS RELATED TO MENTAL ABILITY, The Mathematics Teacher, Vol. 16, No. 8 (DECEMBER, 1923), pp. 481-492 ...