scholarly journals NUMBER SENSE PESERTA DIDIK SMK NEGERI PENERBANGAN ACEH

Author(s):  
Arhamni Hamid ◽  
Elva Wirda ◽  
Iklima Iklima
Keyword(s):  

Pembelajaran matematika hilang keindahan serta kebermaknaannya jika hanya mengutamakan perhitungan tanpa makna. Para ahli menyatakan jika seseorang memiliki number sense yang baik, matematika akan terasa indah dan menyenangkan sehingga self concept terhadap matematika juga lebih baik. Number sense sangat membantu seseorang untuk melihat kelogisan suatu hasil perhitungan, sehingga ruh dari matematika akan ditemukan.  Penelitian ini bertujuan untuk mengetahui bagaimana strategi number sense peserta didik SMK Negeri Penerbangan Aceh. Penelitian ini menggunakan pendekatan kualitatif dengan subjek penelitian enam peserta didik SMK Negeri Penerbangan Aceh  yang memiliki kemampuan matematika yang terbaik dengan pertimbangan berdasarkan nilai rapor pada semester tiga. Instrumen penelitian ini adalah soal number sense dan dikumpulkan melalui wawancara berbasis tugas. Data dianalisis melalui tahap reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian diperoleh bahwa strategi number sense keenam subjek masih dalam kategori belum baik walaupun ada satu subjek yang telah menggunakan strategi number sense hampir di semua penyelesaian soal, namun masih dalam kategori belum baik. Indikasi keenam subjek belum memiliki strategi number sense yang baik yaitu belum memiliki ide-ide yang bervariasi (hanya mampu menyelesaikan dengan satu cara), belum mampu berhitung secara fleksibel dengan angka dan operasi, belum mampu mengidentifikasi secara fleksibel dengan angka dan operasi, belum mampu mengidentifikasi hubungan yang cepat dan penting. Diharapkan dari penelitian ini bagi dosen, guru, mahasiswa  sebagai calon guru, mengkaji lebih lanjut tentang number sense sehingga ada perubahan paradikma berpikir terhadap matematika dimasa depan.

2005 ◽  
Vol 19 (3) ◽  
pp. 129-132 ◽  
Author(s):  
Reimer Kornmann

Summary: My comment is basically restricted to the situation in which less-able students find themselves and refers only to literature in German. From this point of view I am basically able to confirm Marsh's results. It must, however, be said that with less-able pupils the opposite effect can be found: Levels of self-esteem in these pupils are raised, at least temporarily, by separate instruction, academic performance however drops; combined instruction, on the other hand, leads to improved academic performance, while levels of self-esteem drop. Apparently, the positive self-image of less-able pupils who receive separate instruction does not bring about the potential enhancement of academic performance one might expect from high-ability pupils receiving separate instruction. To resolve the dilemma, it is proposed that individual progress in learning be accentuated, and that comparisons with others be dispensed with. This fosters a self-image that can in equal measure be realistic and optimistic.


2007 ◽  
Vol 66 (3) ◽  
pp. 169-178 ◽  
Author(s):  
Virginie Bonnot ◽  
Jean-Claude Croizet

Based on Eccles’ (1987) model of academic achievement-related decisions, we tested whether women, who are engaged in mathematical fields at university, have internalized, to some extent, the stereotype about women’s inferiority in math. The results indicate that men and women do not assess their ability self-concept, subjective value of math, or performance expectancies differently. However, women’s degree of stereotype endorsement has a negative impact on their ability self-concept and their performance expectancies, but does not affect their value of the math domain. Moreover, members of both genders envisage stereotypical careers after university graduation.


2019 ◽  
Vol 24 (3) ◽  
pp. 231-242 ◽  
Author(s):  
Herbert W. Marsh ◽  
Philip D. Parker ◽  
Reinhard Pekrun

Abstract. We simultaneously resolve three paradoxes in academic self-concept research with a single unifying meta-theoretical model based on frame-of-reference effects across 68 countries, 18,292 schools, and 485,490 15-year-old students. Paradoxically, but consistent with predictions, effects on math self-concepts were negative for: • being from countries where country-average achievement was high; explaining the paradoxical cross-cultural self-concept effect; • attending schools where school-average achievement was high; demonstrating big-fish-little-pond-effects (BFLPE) that generalized over 68 countries, Organisation for Economic Co-operation and Development (OECD)/non-OECD countries, high/low achieving schools, and high/low achieving students; • year-in-school relative to age; unifying different research literatures for associated negative effects for starting school at a younger age and acceleration/skipping grades, and positive effects for starting school at an older age (“academic red shirting”) and, paradoxically, even for repeating a grade. Contextual effects matter, resulting in significant and meaningful effects on self-beliefs, not only at the student (year in school) and local school level (BFLPE), but remarkably even at the macro-contextual country-level. Finally, we juxtapose cross-cultural generalizability based on Programme for International Student Assessment (PISA) data used here with generalizability based on meta-analyses, arguing that although the two approaches are similar in many ways, the generalizability shown here is stronger in terms of support for the universality of the frame-of-reference effects.


2004 ◽  
Vol 20 (4) ◽  
pp. 262-274 ◽  
Author(s):  
Manuel de Gracia Blanco ◽  
Josep Garre Olmo ◽  
María Marcó Arbonès ◽  
Pilar Monreal Bosch

Summary: Self-concept is a construct consisting of a group of specific self-perceptions that are hierarchically organized. Age-associated changes of self-concept are related to the individual's perception of the changes occurring throughout the aging process. The authors examined external validity and internal consistency of an instrument that has been developed to assess self-concept in older adults and examined self-concept's characteristics in two different contexts. Results confirm the multidimensionality of the scale and show a satisfactory external validity, indicating good discriminatory capacity. Findings support the hypothesis that older people who live in a nursing home have a poor self-esteem, self-concept, and psychological well-being and have a greater presence of depressive symptoms than people who live in their own home.


2015 ◽  
Vol 223 (2) ◽  
pp. 102-109 ◽  
Author(s):  
Evelyn H. Kroesbergen ◽  
Marloes van Dijk

Recent research has pointed to two possible causes of mathematical (dis-)ability: working memory and number sense, although only few studies have compared the relations between working memory and mathematics and between number sense and mathematics. In this study, both constructs were studied in relation to mathematics in general, and to mathematical learning disabilities (MLD) in particular. The sample consisted of 154 children aged between 6 and 10 years, including 26 children with MLD. Children performing low on either number sense or visual-spatial working memory scored lower on math tests than children without such a weakness. Children with a double weakness scored the lowest. These results confirm the important role of both visual-spatial working memory and number sense in mathematical development.


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