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Number as a length in the environment Trains in 1st and 2nd grade of primary school
Nachtmannová, Iveta ; Slezáková, Jana (advisor) ; Havlíčková, Radka (referee)
This thesis focuses on the tasks from the environment Vláčky, as one of the isolated environments in the first grade mathematics of primary schools taught according to the elaborated methodology of prof. RNDr. Milan Hejný, CSc.. The theoretical part of the thesis explains the principles and concepts of Milan's methodology, the importance of isolated environments in the process of building the ideas of natural number in children in the 1st and 2nd year of primary school, highlights the environment Vláčky as a propaedeutic environment essential for further education according to this method and introduces the manipulative aid necessary for this environment, the Cuisenaire prisms. The theoretical part explains which tasks are used to introduce the environment into the classroom, explains the important concepts of this environment, describes the different types of tasks and their gradations, the relation of this environment to the 3rd to 5th year of primary school, and last but not least, similar tasks from different workbooks that do not deal with the above methodology are collected here. The goal of the practical part was to check the clarity of the formulations in the assignment, to investigate the students' solving strategies and the difficulties that may occur when solving the problems. The...
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