The proposal of Worksheets for Teaching in the fifth form of primary school - selected chapters from arithmetic

The master thesis is concerning about opening to decimal numbers at primary school and the interactive textbook called Cyril I created in the Imagine Logo programme. It contains theory about computer-aided teaching, decimal numbers, manual for the programme and the results of experiment which proved the textbook in practice. Important component of master thesis is the programme itself, which works both as a textbook and a workbook, and which is directed at completion opening to decimal numbers and his exercises at the same time