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Direct linkNemirovsky, Ricardo; Ferrara, Francesca; Ferrari, Giulia; Adamuz-Povedano, Natividad – Educational Studies in Mathematics, 2020
This paper focuses on the emergence of abstraction through the use of a new kind of motion detector--WiiGraph--with 11-year-old children. In the selected episodes, the children used this motion detector to create three simultaneous graphs of position vs. time: two graphs for the motion of each hand and a third one corresponding to their…
Descriptors: Motion, Algebra, Mathematics Instruction, Computer Software
Peer reviewedNoble, Tracy; Nemirovsky, Ricardo – Educational Studies in Mathematics, 1997
Reports on the case study of a high school student using a computer-based tool called the Contour Analyzer to create graphs of height versus distance and slope versus distance for a flat board positioned with different slants and orientations. Focuses on visually recognizing the mathematical behavior of the slope versus distance function which…
Descriptors: Computer Assisted Instruction, Computer Interfaces, Graphs, High Schools
