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The aim of this research is to find correlation between learning motivation and the student’s ability of mathematics problem solving. This research was held at SMP Jaya Suti Abadi in 7th grade even semester in academic year 2017/2018. The hypothesis of this research is “there is a correlation between learning motivation with the student’s ability of mathematics problem solving”. This research was used survey method with correlation technique. Samples of this research used cluster random sampling consists 30 students. The instrument used questionnaire consists of 27 items and essays consists of 7 items. Based on the hypotheses testing it means there is a correlation between learning motivation and the student’s ability of mathematics problem solving in 7th grade. And based on the research results, the highest indicator of students mathematical problem solving abilities is to choose and apply strategies to solve mathematical problems or outside mathematics.