The purpose of this dissertation is to identify quality indicators for visual based learning material for technology education classes for grades 6th to 9th. This is a three round Delphi study aimed in answering the following research question. RQ: What are the quality indicators that contribute to the successful selection of visual-based learning…

The aim of this study is to analyze the types of visual representations in primary and secondary science textbooks in Turkey. The sample of the research constitutes six textbooks prepared by private publishers for primary and secondary science courses (3rd -8 th Grade) in Turkey in 2018-2019 academic year. Document analysis design, which is one of…

The Common Core State Standards for Mathematics (CCSSM) (CCSSI 2010) identifies the strategic use of appropriate tools as one of the mathematical practices and emphasizes the use of pictures and diagrams as reasoning tools. Starting with the early elementary grades, CCSSM discusses students' solving of problems "by drawing." In later…