"Didactics of Mathematics 9(13)"

Spis treści

Marek Biernacki, Katarzyna Czesak-Woytala, Efficiency of mathematical education in Poland 6

Marek Biernacki, Wiktor Ejsmont, Optimum class size. Testing Lazear’s theorem with intermediate mathematics scores in Polish secondary schools 16

Katarzyna Cegiełka, Composition of the European Parliament in the 2014-2019 term 26

Piotr Dniestrzański, Degressively proportional functions using the example of seat distribution in the European Parliament 36

Piotr Dniestrzański, Systems of linear equations and reduced matrix in a linear algebra course for economics studies 44

Wojciech Rybicki, Some reasons why we should teach matrices to students of economics 56

Wojciech Rybicki, Further examples of the appearance of matrices (and the role they play) in the course of the economists’ education 76