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数学でつまづいた分野があったら、どこに戻ればよいかというこの表、久々に見た(旧課程版なので今は少し変わってるかも)
The image is a detailed flowchart in Japanese that outlines the progression of mathematical topics across different school years, from elementary to high school. It is designed to help students understand where they should revisit if they encounter difficulties in a particular area of mathematics. The chart is divided into columns representing different school years (小1, 小2, 小3, 小4, 小5, 小6, 中1, 中2, 中3) and rows representing different mathematical fields (数と式, 関数, 図形, 資料の活用). Arrows indicate the flow of learning from one topic to another, showing dependencies and prerequisites. The post text mentions that this chart is useful for identifying which previous topics to review if one is struggling with a specific area in math, and notes that it is an older version of the curriculum, which might have changed slightly.