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Estrada, Sharon Samantha Membreño; Soto, Claudia Margarita Acuña – North American Chapter of the International Group for the Psychology of Mathematics Education, 2022
The number line is a model that is used to measure, count, order and even operate, which requires a symbolic interpretation. Then, we investigate the conceptions of 72 in service secondary teachers, when they manage the model of the number line associated with order, spatial location and the relative position between numbers and marks. In a…
Descriptors: Mathematics Instruction, Secondary School Teachers, Numbers, Teacher Workshops
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Fidan, Mustafa; Debbag, Murat; Çukurbasi, Baris – Pegem Journal of Education and Instruction, 2020
In this study, it was aimed to adapt the Technology Proficiency Self-Assessment Scale for 21st Century Learning (TPSA C-21), developed by Christensen and Knezek, into Turkey's conditions. The study sample consisted of 606 teachers working in 58 public schools affiliated to the Ministry of National Education in Bartin province. The original scale…
Descriptors: Technological Literacy, Pedagogical Content Knowledge, Self Evaluation (Individuals), Professional Development