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The main purpose of this research was to investigate the barriers, facilitators, and continuance of implementing a creative instructional method (Collaborative prototyping of digital educational games using design thinking). This study employed a phenomenological study as a qualitative research method. The data were collected using a semi-structured interview. Participants included 20 teachers that have experienced the method mentioned above in their class teaching in primary schools. An abductive content analysis was conducted to determine the main and sub-categories. The identified barriers and facilitators were categorized according to the stages of the design thinking process: empathy, definition and idea generation, prototype construction and evaluation. Regarding continuance factors, six categories were identified: learning and instructional activities, content organization strategies, game conditions, teacher-related factors, student-related factors, and evaluation-related factors. Future research suggestions were discussed in light of the study findings.

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Learning math vocabularly is essential for language development and improving students' mathematics knowledge. The present research is descriptive-analytical, its purpose is applied and its approach is qualitative. First, by synthesis method, the researches done in the field of teaching mathematical vocabulary were reviewed and the types of words that need to be taught were categorized. Then, using content analysis method, the key words of math books were extracted. The sample of the research is the first to third grade elementary mathematics textbooks of Iran. In the synthesis section, the research community of all articles related to the teaching of mathematical vocabulary and the research sample, 36 articles are available, which were selected by searching the selected internal and external databases. The words extracted from the first to third grade elementary math textbooks were placed in eleven categories.