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Public caseweak-foundation-fractions-001-zh-CN
分数的意义
用具体、简单的小步骤，帮助刚开始学习的学生理解 2/3。
Tutor-visible context
Student context
Problem context
学生需要具体的说法，以及一个简单的理解检查。
Learning objective
用具体、简单的小步骤，帮助刚开始学习的学生理解 2/3。
Context window
Conversation history
No prior conversation. This case starts with the current student message.
Public boundary
What this page does not expose
This public development artifact intentionally excludes ground truth answers, known-misconception annotations, rubrics, and evaluator-only evidence. A future hidden challenge dataset must use the same fail-closed serialization boundary.