Thus it can be concluded that learning with Abakus media is effective for improving Mathematics learning achievement in addition and subtraction in grade I.B students of SD Negeri 45 Mataram. Soal Matematika Kelas 5 SD Bab 3 Pengukuran Waktu, Sudut, Jarak dan Kecepatan Dilengkapi Kunci Jawaban A. Soal Matematika Kelas 4 SD Hasil Pengukuran Ke - Satuan, Puluhan atau Ratusan Terdekat A. Meanwhile, the percentage of student learning outcomes who score ≥ 80 reaches 93.94% in accordance with the success indicator, which is at least 85%. The class average has reached 84.61%, according to the success indicator, which is ≥ 85. From the research results it is known that the student learning outcomes in cycle III are as expected. Jadi toleransi dalam pengukuran adalah selisih antara batas atas pengukuran dengan batas bawah pengukuran yang masih dapat diterima. SD/MI, yaitu 80,84 (delapan puluh koma delapan puluh empat persen) pada tahun 2019.
soal matematika kelas 4 sd luas dan keliling persegi dan persegi panjang. pembangunan Unit Sekolah Baru (USB) dan Ruang Kelas Baru (RKB). Abakus is a Mathematics learning medium that is used to explain the concept of the place value of a number, addition and subtraction operations. cara menghitung pengukuran jangka sorong Partikel bergerak dalam bidang xy. One of the mathematics learning media is Abakus. The data analysis in this study used a comparative descriptive method. This type of research is Classroom Action Research which is based on the main concept that action research consists of four components, namely: (1) Planning, (2) Action, (3) Observation and (4) Reflection, the four stages of the activity are called one problem solving cycle. The objectives to be achieved in this study are: to determine the increase in mathematics learning achievement in addition and reduction of use through Abakus media in Class I.B students of SD Negeri 45 Mataram Odd Semester 2019/2020 Academic Year.