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Issakova, Marina; Lepp, Dmitri; Prank, Rein – International Journal for Technology in Mathematics Education, 2006
T-algebra is a project for creating an interactive learning environment for expression manipulation tasks of elementary algebra. Our main didactical principle has been that all the necessary decisions and calculations at each solution step should be made by the student, and the program should be able to understand the mistakes. This paper…
Descriptors: Algebra, Mathematics Instruction, Problem Solving, Equations (Mathematics)