Abstract
This study aims to: 1) find out how the validity, practicality, and effectiveness of Blended learning-based learning tools in mathematics learning; 2) knowing the improvement of students' mathematical creativity skills using Blended learning-based devices in mathematics learning; and 3) knowing the increase in students' self-efficacy by using learning tools based on Blended learning in learning mathematics. This type of research is a type of development research. This study uses a 4-D development model (define, design, develop, and disseminate) Thiagarajan and Semmel (1974) by developing a tool based on Blended Learning. This research will be carried out at Al-Ulum Terpadu Islamic High School Medan. The subjects in this study were students of SMA Islam Al-Ulum Terpadu Medan grade 11 MIA for the academic year 2021/2022. The results showed that: 1) Blended Learning-based learning tools in improving students' mathematical creativity and learning abilities that were developed had met the valid, practical and effective criteria; 2) The improvement of students' mathematical creativity skills using tools that have been developed based on Blended Learning seen from the N-Gain 0.83 which means it is in the "High" category; 3) Increasing students' self-efficacy using tools that have been developed based on Blended Learning seen from the N-Gain Value of 0.14 means that they are in the "Low" category or only slightly increased their Self-efficacy abilities . Keywords : Development of Learning Devices, Blended Learning, Mathematical Creativity Ability, Student Self-Efficacy DOI: 10.7176/JEP/13-5-02 Publication date: February 28 th 2022
Highlights
Mathematics is a universal science that underlies the development of modern technology today
By referring to these criteria, it can be concluded that the learning implementation plan, LKPD, teacher's books and student books developed with blended learning-based learning tools meet the validity criteria with valid categories
Blended Learning-based learning tools in improving students' mathematical creativity and learning abilities that have been developed have met the valid criteria, namely for the Learning Device Plan (RPP) and Student Worksheet (LKPD) covering aspects of the appropriateness of format, language and content with a total score of each of which is 4.09 and 4.13 or both are in the "Valid" category, while for the teacher's book and student's book it covers aspects of the appropriateness of format, language, content, and presentation and graphics with a total score of 4.05 and 4.16 and is in the " valid” too
Summary
Mathematics is a universal science that underlies the development of modern technology today. The importance of mathematics in learning starting from elementary school to college level which functions in developing reasoning power of thinking ability. The importance of learning mathematics is not in line with the desire of students to learn mathematics because most students think that mathematics is a difficult subject and as a lesson in memorizing formulas, students' understanding of mathematical concepts is very lacking, besides that the teacher's task as a teacher is not able to prepare mathematical plans so that the mathematics material cannot be accepted by students. The learning process will run well if the teacher is able to design learning well, starting from planning learning tools, carrying out classroom learning, to evaluating. In carrying out this main task, the teacher experiences obstacles, even obstacles in making learning tools, carrying out classroom learning and evaluating them
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