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KADIKMA
Published by Universitas Jember
ISSN : 20850662     EISSN : 26863243     DOI : -
Core Subject : Education,
Mathematics
KadikmA (p-ISSN: 2085-0662 dan e-ISSN: 2686-3243) adalah jurnal nasional bidang Matematika dan Pendidikan Matematika yang diterbitkan oleh Program Studi Pendidikan Matematika, FKIP, Universitas Jember. Kadikma terbit 3 kali dalam setahun pada bulan April, Agustus dan Desember. Jurnal Matematika dan Pendidikan Matematika (Kadikma) berfokus pada penelitian matematika murni, matematika terapan, dan pendidikan matematika melalui artikel yang relevan. Jurnal Matematika dan Pendidikan Matematika (Kadikma) menyambut baik setiap artikel tentang penelitian matematika murni, penelitian matematika terapan, penelitian pendidikan matematika di dalam kelas yang relevan, mengevaluasi dan melaporkan praktik pendidikan guru dalam pembelajaran matematika, meninjau masalah topikal dan melaporkan keberhasilan dalam pendidikan matematika.
Arjuna Subject : Matematika - Matematika Terapan
Articles 4 Documents
 1 
Search results for , issue "Vol 15 No 1: April 2024" : 4 Documents clear
PENGEMBANGAN VIDEO INTERAKTIF MATERI TEOREMA PYTHAGORAS UNTUK MEMFASILITASI NUMERASI SISWA SMPN 1 DEPOK YOGYAKARTA Melissa, Margaretha Madha; Ningrum, Aria Prawira
Kadikma Vol 15 No 1: April 2024
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v15i1.48480

Abstract

The purpose of this study was to develop interactive videos to facilitate numeracy and produce quality interactive video-based learning media products in terms of validity, practicality, and effectiveness. This research is a research and development study using the ADDIE model (Analyze, Design, Development, Implementation, Evaluation). The subjects of this research were 31 students of class VIII F Junior High School 1 Depok Yogyakarta. Data collection techniques using validity questionnaires, numeracy tests, and teacher and student practicality questionnaires. Data from validation questionnaires, tests, and practicality questionnaires were analyzed quantitatively by calculating the average value. The results of this study are 1) The development of interactive videos using the ADDIE model. In the analysis stage, based on teacher interviews, students have difficulty understanding numeracy questions, the Pythagorean theorem material is a difficult topic, and teachers never used interactive videos in learning. At the design stage, researchers designed three videos using the Edpuzzle application. At the development stage, the learning product results were validated by three experts and revised according to the expert's suggestions. At the implementation stage, researchers conducted a trial of four meetings using the guided discovery model. In the evaluation stage, the product was valid, practical, and effective. 2) The product gets very valid results, in terms of media getting 91.25% and material getting 93%. Products get effective results from the numeracy test results as many as 29 students (93.5%) completed the minimum criteria (75). The practical product is seen from the results of the student response questionnaire to the media getting 85.8% and the teacher response questionnaire to the product getting 80%.
ANALISIS KOMUNIKASI MATEMATIS SISWA KATEGORI RENDAH DITINJAU DARI TIPE KEPRIBADIAN ISTJ Agustina, Lady; Khamdani, Yahya; Galatea, Chusnul Khotimah
Kadikma Vol 15 No 1: April 2024
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v15i1.48867

Abstract

The aim of this research is to describe mathematical communication based on the ISTJ personality type. This type of research uses descriptive qualitative. The subjects in this research were two students who had high mathematics abilities, two students with moderate mathematics abilities, and two students with low mathematics abilities. On the ISTJ personality type as a research subject. ISTJ personality type students are in the low category of mathematical ability, where both have equivalent mathematical communication abilities. Both of them only fulfill 3 indicators of mathematical communication, namely being able to express mathematical ideas, understand mathematical problems, and use mathematical symbols. Furthermore, students with the ISTJ personality type are in the moderate category of mathematical ability, where subject 1 meets 3 indicators of mathematical communication, while subject 2 meets 4 indicators of mathematical communication in each question. Furthermore, students with the ISTJ personality type are in the high category of mathematical ability, where both have equivalent mathematical communication abilities. It is good to fulfill all mathematical communication indicators
PERAMALAN HARGA SAHAM PT. BANK RAKYAT INDONESIA (PERSERO) TBK MENGGUNAKAN METODE AUTO REGRESSIVE INTEGRATED MOVING AVERAGE (ARIMA) Ro'ifah, Miftahur
Kadikma Vol 15 No 1: April 2024
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v15i1.49098

Abstract

The stock price is the stock price of a company are traded on the stock market. The stock prices can rise, fall, or remain stable. The stock price movements are important in the stock market because they provide information about company performance, market sentiment and other economic factors. This makes stock price movements important to monitored by investors, analysts and other market participants to make the right investment decisions when to buy or sell these stocks. In this research, will be carried out stock price forecasting PT. Bank Rakyat Indonesia (Persero) Tbk with the Auto Regressive Integrated Moving Average (ARIMA) method. The ARIMA method is a method that used in time series analysis to model and predict data that has certain patterns. The ARIMA method is used to predict future values based on historical data. The data used is the stock price data of PT. Bank Rakyat Indonesia (Persero) Tbk that obtained from the Yahoo Finance website. The results of this research produced the best ARIMA model, namely ARIMA (1,1,1).
PERAMALAN HARGA SAHAM PT. BANK RAKYAT INDONESIA (PERSERO) TBK MENGGUNAKAN METODE AUTO REGRESSIVE INTEGRATED MOVING AVERAGE (ARIMA) Ro'ifah, Miftahur; Fatimah, Fita; Sulisawati, Dwi Noviani
Kadikma Vol 15 No 1: April 2024
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v15i1.53679

Abstract

The stock price movements are important in the stock market because they provide information about company performance, market sentiment and other economic factors. This makes stock price movements important to monitored by investors, analysts and other market participants to make the right investment decisions when to buy or sell these stocks. The aims of the research is to predict the stock price of PT. Bank Rakyat Indonesia (Persero) Tbk using the Auto Regressive Integrated Moving Average (ARIMA) method. The ARIMA method is used to predict future values based on historical data. The data used is the stock price of PT. Bank Rakyat Indonesia (Persero) Tbk from 3 July 2023 to 28 March 2024 that obtained from the Yahoo Finance website. There are four steps that will be used. First, explore the data to get a general description of the used data. Second, identify data stationarity. Third, identify the ARIMA model that will be used. Fourth, predict the stock price of PT. Bank Rakyat Indonesia (Persero) for April 2024 period. The result is the most optimal model for predicting stoke prices of PT. Bank Rakyat Indonesia (Persero) in the April 2024 period is ARIMA (1,1,1).

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