Variational thinking mediated with algebraic tiles and virtual manipulators за авторством Ordóñez-Ortega, Odair, Gualdrón-Pinto, Elgar, Amaya-Franky, Germán

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Problem-solving, Numerical and Variational Thinking in Elementary School: A Review за авторством Barrera, Hugo Fernando

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Strengthening of variational thinking through a mediated intervention with the use of ICT for ninth grade students за авторством Martínez-López, Leonardo Geiner, Gualdrón-Pinto, Elgar

Предмети: “...variational thinking; didactic sequence; ICT mediation; variation; change....”