MENINGKATKAN HASIL BELAJAR MATEMATIKA DENGAN MENGGUNAKAN MEDIA ADAPTIF MELALUI PENDEKATAN MONTESSORI PADA SISWA HAMBATAN INTELEKTUAL KELAS IV (PENELITIAN TINDAKAN KELAS DI SLB NEGERI 3 JAKARTA)

NINDA CENDIKIA PUTRI, . (2026) MENINGKATKAN HASIL BELAJAR MATEMATIKA DENGAN MENGGUNAKAN MEDIA ADAPTIF MELALUI PENDEKATAN MONTESSORI PADA SISWA HAMBATAN INTELEKTUAL KELAS IV (PENELITIAN TINDAKAN KELAS DI SLB NEGERI 3 JAKARTA). Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Penelitian ini dilatarbelakangi oleh rendahnya hasil belajar matematika pada kemampuan membilang siswa hambatan intelektual ringan kelas IV di SLB Negeri 3 Jakarta. Permasalahan tersebut diindikasikan oleh penggunaan media pembelajaran yang masih bersifat abstrak sehingga belum sesuai dengan karakteristik belajar siswa yang membutuhkan pengalaman belajar melalui material konkret. Penelitian ini bertujuan untuk meningkatkan hasil belajar matematika pada kemampuan membilang melalui penggunaan media adaptif Bolang (Bola Membilang) dengan pendekatan Montessori yang menerapkan prinsip material konkret, pembelajaran bertahap (three period lesson), pengulangan (repetition), dan kontrol kesalahan (control of error), serta dioperasionalkan melalui metode demonstrasi, drilling, dan tanya jawab. Kemampuan membilang yang ditingkatkan meliputi indikator menyebutkan bilangan 1–5, mengurutkan bilangan 1–5, dan menghubungkan bilangan dengan benda konkret. Subjek penelitian terdiri atas tiga siswa hambatan intelektual ringan kelas IV, yaitu AA, AI, dan DR. Penelitian menggunakan metode Penelitian Tindakan Kelas model Kemmis dan McTaggart yang dilaksanakan dalam dua siklus. Teknik pengumpulan data menggunakan observasi, tes evaluasi membilang, catatan lapangan, dan dokumentasi. Hasil penelitian menunjukkan bahwa nilai rata-rata kemampuan membilang meningkat dari 67,5% pada kemampuan awal menjadi 78,8% pada siklus I dan 93,8% pada siklus II. Peningkatan tersebut menunjukkan bahwa penerapan pendekatan Montessori melalui media adaptif Bolang memberikan pengalaman belajar yang konkret, bertahap, dan berulang sehingga membantu siswa memahami konsep bilangan. Dengan demikian, penggunaan media adaptif Bolang melalui pendekatan Montessori berhasil meningkatkan hasil belajar matematika pada kemampuan membilang siswa hambatan intelektual ringan kelas IV di SLB Negeri 3 Jakarta. ******** This study was conducted in response to the low mathematics learning outcomes in counting skills among fourth-grade students with mild intellectual disabilities at SLB Negeri 3 Jakarta. Based on preliminary observations, the problem was indicated by the use of abstract instructional media that did not match students' learning characteristics, which require concrete learning experiences. This study aimed to improve mathematics learning outcomes in counting skills through the adaptive Bolang (Bola Membilang) media using the Montessori approach, which applies the principles of Concrete Materials, Three-Period Lesson, Repetition, and Control of Error, operationalized through demonstration, drilling, and question-and-answer methods. The targeted skills included naming numbers 1–5, arranging numbers 1–5 in sequence, and matching numbers with concrete objects. The participants were three fourth-grade students with mild intellectual disabilities (AA, AI, and DR). This study employed Classroom Action Research based on the Kemmis and McTaggart model in two cycles. Data were collected through observation, counting achievement tests, field notes, and documentation. The results showed that the students' average counting score improved from 67.5% at the preliminary stage to 78.8% in Cycle I and 93.8% in Cycle II. These findings indicate that the Montessori approach using the adaptive Bolang media provided concrete, sequential, and repetitive learning experiences, enabling students to develop a better understanding of number concepts. Therefore, the adaptive Bolang media through the Montessori approach successfully improved the mathematics learning outcomes in counting skills of fourth-grade students with mild intellectual disabilities at SLB Negeri 3 Jakarta.

Item Type: Thesis (Sarjana)
Additional Information: 1). Dr. Trisna Mulyeni, M.Sc.; 2). Dr. Irah Kasirah, M.Pd;
Subjects: Pendidikan > Pendidikan Khusus
Divisions: FIP > S1 Pendidikan Luar Biasa
Depositing User: Users 35273 not found.
Date Deposited: 11 Aug 2026 02:14
Last Modified: 11 Aug 2026 02:14
URI: http://repository.unj.ac.id/id/eprint/69745

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