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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
