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Direct linkFiallo, Jorge; Gutiérrez, Angel – Educational Studies in Mathematics, 2017
We present results from a classroom-based intervention designed to help a class of grade 10 students (14-15 years old) learn proof while studying trigonometry in a dynamic geometry software environment. We analysed some students' solutions to conjecture-and-proof problems that let them gain experience in stating conjectures and developing proofs.…
Descriptors: Mathematical Logic, Validity, Mathematics Instruction, Grade 10
Peer reviewedBalk, G. D. – Educational Studies in Mathematics, 1971
Descriptors: Algebra, Discovery Learning, Geometry, Induction
Peer reviewedJakuba, E. G. – Educational Studies in Mathematics, 1971
Teacher tips are presented concerning geometry laboratory work, mathematics history, development of problem situations, and use of transparencies in graphical exercises in secondary school mathematics classes. (JG)
Descriptors: Geometry, History, Independent Study, Instruction
