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新课标指出:“学生的数学学习内容应当是现实的、有意义的、富有挑战性的,这些内容要有利于学生主动地进行观察、实验、猜测、验证、推理与交流等数学活动。”“实行人人学有价值的数学,人人都能获得必要的数学”。等等这些都强调了大众数学学习内容的运用价值——能适应未来社会的需要。我们的数学教学除了系统的数学知识的教学外,还应密切联系生活实际,开展有效的数学实践活动。我们知道培养学生的创新精神和实践能力是素质教育的重点,而开展有效的数学实践活动来培养学生创新精神和实践能力
The new curriculum standard states: “Students’ mathematics learning content should be realistic, meaningful and challenging. These contents should help students take the initiative to conduct mathematical activities such as observation, experiment, guesswork, verification, reasoning and communication. ”“ Everybody can get the necessary mathematics by practicing the valuable mathematics of everybody ”. And so on, all emphasize the value of using popular mathematics learning content - to meet the needs of the future society. In addition to the systematic teaching of mathematics, our mathematics teaching should be closely linked to the reality of life and carry out effective mathematical practice. We know that cultivating students ’innovative spirit and practical ability are the focuses of quality education, and carrying out effective mathematical practice activities to cultivate students’ innovative spirit and practical ability