The Teaching of Elementary Mathematics

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