The aim of this study was to investigate prospective preschool teachers' spatial thinking skills in terms of gender, class standings, type of high school they previously graduated from and whether they attend a course on early mathematics education or not. Survey Method was used in this study. A total of 132 prospective preschool teachers who were attending a preschool teacher training program at a state university in Turkey participated in this study. Santa Barbara Sense of Direction Scale (SBSOD) and Spatial Ability Self-Report Scale (SASRS) were used as the data collection tools. Correlation Analysis was used to investigate correlation between the scores of two scales. ANOVA, Independent-Samples T-Test, Kruskal Wallis-H Test and Mann Whitney-U Test were used according to the assumptions of parametric tests. A positive correlation was found between the scores of two different scales. Differences between the mean scores of participants in terms of gender, class standings, high school types and whether they attended a course on early mathematics education or not, were not statistically significant for each assessment scale, as other results of this study.
It is known that mathematics has an important effect on the development of science and technology. Identities, which are widely used in many branches of science, form the basis of some mathematics courses such as algebra. However, it appears as one of the learning areas of secondary school 7th grade mathematics and is seen as one of the difficult subjects to learn. The fact that there are many and abstract formulas about identities is difficult for students to remember. Therefore, visualization is important in teaching abstract concepts in a meaningful way and in associating concepts with daily life. Visualization is the use of mathematical and geometric symbols, shapes, diagrams, etc. to make something unseen imaginable. It is the drawing or showing of the shape and picture of an abstract concept with the help of pencil and computer. Visualization and visual proof are central to mathematics. The visualization approach is used in mathematics and mathematics education as a tool, not as a goal in the lessons. Identities are seen as one of the learning areas that we encounter in the solution of problems that we encounter in our daily lives and that are difficult to learn. In this direction, the visual proofs of the identities in R2 are shown in detail to the researchers thanks to the visualization approach, so that the algebraic identities can be learned more easily. Although identities are an important learning area in mathematics and algebra lessons, they are thought to be difficult to understand and learn by students. In line with this idea, students have difficulty in understanding identities as the visual models from which identities are obtained are not adequately expressed by the teachers and are not associated with daily life. For this reason, it is suggested by mathematics teachers that as a solution to this problem, visualizing abstract mathematical concepts in lessons or showing algebraic and visual proofs of some theorems may be beneficial. In this study, which was planned as a theoretical study, Within the scope of descriptive scanning model, document analysis technique was used. Visual proofs of basic algebraic identities are shown to researchers in detail by using geometric figures. In line with this purpose, some suggestions have been made to shed light on this issue for interested researchers.
Bu araştırmanın amacı, problem temelli görevlerle okul öncesi dönemdeki çocukların şekil (çember, daire, kare, dikdörtgen) oluşturma stratejilerinin incelenmesidir. Araştırma Betimsel Yönteme uygun olarak yürütülmüştür. Araştırmaya, yaşları 54 ile 71 ay aralığında değişen ve Uygun Örneklem Yönteminden yararlanılarak belirlenen toplam 25 çocuk katılmıştır. Çocukların tüm şekilleri tanıma, ayırt etme ve isimlendirme konusunda yetkin olup olmadıklarının belirlenebilmesi amacıyla araştırmacılar tarafından geliştirilen Temel Geometrik Şekilleri Tanıma Envanteri kullanılmıştır. Envanter uygulaması sonucunda tüm şekilleri doğru bir şekilde tanıyan, ayırt eden ve isimlendiren, yaşları 58 ila 71 ay arasında değişen 18 çocukla çalışmalara devam edilmiştir. Çocuklara şekil oluşturmaları için çeşitli materyaller (bir tel, boş bir A4 kağıt, eşit uzunluklardaki iki kağıt şerit ve kare şeklinde bir not kağıdı) sunulmuştur. Sonrasında çocukların şekillerin oluşturulabilmesine yönelik fikirlerinin ve şekil oluşturma stratejilerinin belirlenmesi açısından araştırmacılar tarafından geliştirilen yarı yapılandırılmış görüşme formu kullanılmıştır. Elde edilen yazılı verilerin ve çocukların oluşturdukları şekillerin incelenebilmesi açısından Betimsel Analiz Yönteminden yararlanılmıştır. Çocukların cevapları farklı kategoriler altında toplanmıştır. Araştırmanın sonuçlarına göre çocuklar, geometrik şekillerin oluşturulması yönünde çeşitli stratejiler geliştirmekle beraber cesaretlendirildiklerinde daha çok stratejiler geliştirmektedirler. Araştırmanın bulguları doğrultusunda problem temelli görevlerin erken geometri eğitiminde etkili birer öğretim yöntemi olarak kullanılabileceği ve problem temelli öğrenmenin bu yönde geliştirilecek etkinliklerde veya eğitim araştırmalarında kullanılabileceği yönünde önerilerde bulunulmuştur.
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