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Download full textPradina Parameswari; Purwanto; Sudirman; Susiswo – Mathematics Teaching Research Journal, 2024
Students' difficulties in differentiating the direct proportion and inverse proportion problems cause interference. Proactive interference is the error that occurs when old information (concept of direct proportion) interferes with new information (concept of inverse proportion). In solving the problem of inverse proportion, students often use the…
Descriptors: Problem Solving, Mathematical Concepts, Mathematics Instruction, Grade 8
