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设问,是激发学生兴趣,开拓学生思路,打开学生思维闸门、揭示教材重点、难点,培养学生主动学习新知识能力的重要手段。它是关系到教学成败的主要因素之一。那么究竟怎样设问才能恰到好处呢? (一) 在造成学生悬念处设问。如学习了能整除的除法后,初学有余数除法时。老师设问:9÷4怎么计算呢?造成学生渴望、追求新知识、解决新问题的心理状态,再进行操作、演示,从感性上初步了解有余数除法的实际意义和算法。 (二) 在知识的疑难处设问。如学习小数除以小数3.22~(1/0.14)时,学生首次接触,难点在于除数是小数,不能直接进行运算。可
Set ask, is to stimulate student interest, develop student ideas, open the door to students thinking, reveals the textbook focus, difficulties, and students ability to actively learn new knowledge an important means. It is one of the main factors that affect the success or failure of teaching. So how exactly are we going to ask questions? (A) ask students to create suspense. If you learn to divisible division, the beginning of a division of the remainder. The teacher asked: 9 ÷ 4 how to calculate it? Cause students to desire, the pursuit of new knowledge, to solve the psychological problems of new problems, and then operate, demonstrate, from the perceptual understanding of the actual meaning and algorithm of the remainder division. (B) ask questions in the knowledge of the difficulties. Such as learning decimal divided by the decimal 3.22 ~ (1 / 0.14), the first contact with students, the difficulty is that the divisor is a decimal, can not be directly calculated. can