Clarify it has important realistic meaning and reference value that these questions mark the reform in education of mathematics under to the new lesson.
弄清这些问题对于新课标下的数学教学改革具有重要的现实意义和参考价值。
New lesson mark; Again creation; Do mathematics; Say mathematics; Use mathematics.
新课标；再创造；做数学；说数学；用数学。
Mathematics teaching is a highly sophisticated teaching process, a good method of leading in a new lesson directly influences the quality of classroom instruction.
数学教学是一个十分复杂的教育过程，一个好的导入新课的方法是直接影响一堂课质量的关键。
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