The purpose of this research was to find out correlate between economical family background, parents attention and learning intencity with mathematics learning achievement of all junior high schools in Sedayu. This research was conducted in 3 junior high schools in Sedayu, the population was 460 students and the sample was 92 students using random sampling taking technique. Data collection technique using a questionnaire and a test technique. The result of minor hipotesis are Sig = 0,000<0,05; Sig = 0,032<0,05; and Sig = 0,010<0,05. Meanwhile the result of mayor hipotesis is Sig = 0,000 < 0,05. So, there are  positive correlate and significant between economical family background, parents attention and learning intencity with mathematics learning achievement as collective and partial. It is expected that students, parents and teachers care about economical family background, parents attention and learning intencity to mathematics learning achievement increasingly.
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