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Ciphers in mathematics teaching at elementary school.
BOUČKOVÁ, Kateřina
The diploma thesis "Ciphers in mathematics education at primary school" acquaints readers with basic concepts related to encryption, as well as with the history of ciphers from the beginning to the present, their classification, connection to the framework educational program for primary school and didactic game. It also deals with introducing simple ciphers to children and their encryption and decryption. The work is divided into two parts, theoretical and practical. The theoretical part presents ciphers and their use, basic concepts, types of ciphers, history of ciphers, cryptographic games and didactic game. The practical part includes worksheets and didactic games that contain simple ciphers. Each worksheet contains instructions for use, solutions and the ciphers themselves. Some of the worksheets were tested by children and therefor there is also an evaluation of how the children performed - with the wrong and also correct solutions.

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