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Number Line and its Understanding by Primary School Pupils
 Špačková, Klára ; Vondrová, Naďa (advisor) ; Kvasz, Ladislav (referee)
This diploma thesis deals with the number line as a tool to improve pupil's understanding of various mathematical concepts, structures, properties and algorithms. The aim of the thesis is to determine how are lower secondary pupils able to use the number line and to connect findings with the content of their textbooks. The thesis consists of a theoretical and a practical part. The theoretical part introduces the topic of number line, deals with the problems used for testing in the Czech Republic and presents several researches on this topic. The theoretical part, together with the analysis of current state of the number line usage in teaching, serves as a basis for an experimental investigation that is covered in the practical part. After a pilot testing with 19 pupils, the main testing was conducted in 7 classes of two Prague primary schools. The total of 156 pupils participated in the main testing and 8 of the pupils were later interviewed about their tests. The results are presented in the practical part. It turned out that there is a correspondence between textbook content and pupils' errors while working with number line and that pupils struggle with representing of fractions on the number line. In the conclusion some recommendation for teachers were put forward concerning the usage of the...
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