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Direct linkTirpáková, Anna; Gonda, Dalibor; Wiegerová, Adriana; Navrátilová, Hana – Educational Studies in Mathematics, 2023
The presented article is dedicated to a new way of teaching substitution in algebra. In order to effectively master the subject matter, it is necessary for students to perceive the equal sign equivalently, to learn to manipulate expressions as objects, and to perceive and use transformations based on defining their own equivalences. According to…
Descriptors: Mathematics Instruction, Teaching Methods, Instructional Innovation, Mathematical Concepts
Peer reviewedReys, Barbara J.; And Others – Educational Studies in Mathematics, 1991
A study of 255 fifth graders and 177 eighth graders from 12 randomly chosen Mexican schools was conducted to identify and characterize the students' computational estimation skills and strategies. Data from computational estimation tests and selected interviews revealed that Mexican students employed general estimation processes similar to U.S.…
Descriptors: Cognitive Measurement, Cognitive Processes, Cognitive Tests, Elementary Secondary Education
