The Teaching of Elementary Mathematics

algebra America angle applied arith arithmetic axiom Beman and Smith's Cantor century chapter child circle common considered counting course decimal definition Diophantus elementary algebra elementary geometry equal equation Euclid example exercises factoring figures Fitzga fractions Geschichte give given grade greatest common divisor Greek Greek Mathematics Hence highest common factor Hindu numerals idea interest Jänicke Laisant Leipzig logic mathe mathematician mathematics Mathématique matics matter measures merely method metic metric system modern multiplication negative number number space objects Paris Pestalozzi plane plane geometry postulate practical present problems propositions proved pupil quadratic quadratic equations question ratio reason recent Rechenunterrichts Rechnen recognized result rules Schmid schools simple solid geometry solution solve spherical polygon square root statement straight line student symbols taught teacher teaching text-books theorem theory things tion to-day triangle true Unterrichts usually write