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Muttaqin, Haniful; Putri, Ratu Ilma Indra; Somakim – Journal on Mathematics Education, 2017

This research was motivated by several studies which show that students have difficulties in understanding the material ratio, wherein one contributing factor is the lack of ability in proportional reasoning. The purpose of this study is to produce a trajectory of learning to help students develop abilities in comparison reasoning. Solution…

Descriptors: Mathematics Instruction, Mathematical Concepts, Grade 7, Graphs

Saraswati, Sari; Putri, Ratu Ilma Indra; Somakim – Journal on Mathematics Education, 2016

This research aimed to describe how algebra tiles can support students' understanding of linear equations with one variable. This article is a part of a larger research on learning design of linear equations with one variable using algebra tiles combined with balancing method. Therefore, it will merely discuss one activity focused on how students…

Descriptors: Equations (Mathematics), Mathematics Instruction, Algebra, Mathematics

Nursyahidah, Farida; Putri, Ratu Ilma Indra; Somakim – Indonesian Mathematical Society Journal on Mathematics Education, 2013

This research aim is to know the students' understanding in adding number up to 20 using traditional game of dakocan and to acquire learning trajectory of adding number up to 20 using traditional game of dakocan for the first grade of primary school. This research used methodology of design research that consists of three phases, there are…

Descriptors: Mathematics Instruction, Foreign Countries, Grade 1, Elementary School Mathematics