| 摘要 |
PROBLEM TO BE SOLVED: To provide a theorem board in which important points are smartly transmitted to students without displaying related matters of a theorem on a blackboard in a time consuming manner, the display is beautifully observed from the back section of a classroom, the efficiency of the pickup is improved by adding pieces, the proof of the theorem is conducted while making the students understand the theorem, the order of the rational proofs are completely taught, students themselves paste OK seals on a learning progress table so as to increase their willingness to learn, students enthusiastically learn by their own will in groups, or individually, exchange of discussions are generated among the students making same mistakes, a mutual support spirit is promoted, multiplier effect is generated, repeated learnings are made possible, learnings in accordance with individual capabilities of the stdudents are made possible and the feeling of achievement is obtained. SOLUTION: The theorem board consists of a board 1, which displays a theorem content 2, a diagram 3 for proof, a hypothesis conclusion 5 and portions of the above, the marks, which represent an equal length, an equal angle and parallelism, the pieces, which indicate lines, and the order cards which show the points of rational orders to prove the theorem.
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