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在教学中恰当地使用教具,是提高教学质量的重要手段。学生通过观察有关的实物、挂图以及教师的直观演示,可以比较直观地感知所要学习的内容;再通过老师的讲解,学生就比较容易理解和掌握所学的新知。但是,如果教具使用不当,违背注意的心理规律,就会降低直观的价值,影响教学效果。不久前到一个学校听了一节二年级数学课,内容是讲包含除法。课堂上老师非常重视使用直观手段教学,不仅用了大量的实物图片、挂图等,还充分让学生动手操作,摆弄学具。这样做是符合教材的特点和学生思维特点的。但是,这
Appropriate use of teaching aids in teaching, is an important means to improve the quality of teaching. By observing the related objects, flipcharts and teachers' intuitive presentation, students can perceive the content to be learned more intuitively. Students can easily understand and master what they have learned through the teacher's explanation. However, if the teaching aids are not used properly, contrary to the psychological rules of attention, the visual value will be lowered and the teaching effect will be affected. Not long ago to a school listening to a second-year math class, content is about inclusion and division. Class teacher attaches great importance to the use of visual means of teaching, not only with a large number of physical pictures, wall charts, etc., but also fully allow students to operate, play with school tools. This is in line with the characteristics of teaching materials and students thinking characteristics. But this