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On Grid Numbering and Translational Number as Two New Techniques in Multiplication S. Chususiyah; Dafik Dafik; O A Safiati
Pancaran Pendidikan Vol 8, No 4 (2019)
Publisher : The Faculty of Teacher Training and Education The University of Jember Jember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (945.894 KB) | DOI: 10.25037/pancaran.v8i4.258

Abstract

The multiplication operation in maths is still considered to be difficult by school students. Despite, multiplication is one of the most important topics in mathematics learning, since this operation is taught from elementary to secondary school levels, and we often encounter its application in everyday life. In the learning process, the multiplication operations will not only develop mathematical numeracy skills, understanding multiplication will also have an impact on the growth of students' critical thinking skills. Therefore, the basic concepts related to multiplication operations in mathematics must be taught fundamentally by the students, thus they can take advantage of it later on in their daily life.
The Development of Cooperative Learning Model of STAD Type Based Learning Materials to Improve Students Collaborative Thinking Skills Supratiningsih Supratiningsih; Suparti Suparti; Dafik Dafik; O A Safiati
Pancaran Pendidikan Vol 10, No 3 (2021)
Publisher : The Faculty of Teacher Training and Education The University of Jember Jember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (969.436 KB) | DOI: 10.25037/pancaran.v10i3.356

Abstract

This study aimed at developing STAD type-based cooperative learning materials to improve students’ collaborative thinking skill. The study used Research and Development (R&D) method by Thiagarajan which consists of four stages: define, design, develop, and disseminative. The developed materials included RPP, LKPD and THPD. The validity result of the pre test and post test showed that the materials fulfilled valid criteria. The validity test was done using SPSS 14 program and the results showed that Sig. (2- tailed) value was lower than (≤) 0,05 and thus considered valid, and the Alpha Croncbrach was higher than (≥) 0,60 which made it considered reliable. The validity test for the results of practicality observation test showed a result of very practical and the effectivity results were gained from one-sample t-test that was by comparing the pre-test and post-test scores, which showed that the students and teacher’s activity in the limited classroom fulfilled the criteria practical and effective. The STAD type cooperative learning materials developed in this study had significant effects on students’ collaborative thinking skill in solving addition and subtraction problems. Based on the table of descriptive results for paired sample t-test, it can be concluded that there was differences on the average score of 85 > 71,67 and Sig.(2-tailed) = 0,000 which means Sig. < 0,05. Based on those results, it can be concluded that H0 was rejected and Ha was accepted which means that the learning results between pre-test and post-test were different.