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德国一位学者就“情境”做过一个精辟的比喻:如果让你咽下10克盐,无论如何难以下咽,但如果把10克盐放入一盆美味可口的汤中,你会在享用佳肴时,不知不觉中将10克盐全部吸收了。情境之于知识,犹如汤之于盐。盐需溶入汤中,才能被吸收;知识需要融入情境之中,才能显示出活力和美感。因此,精心创设情境是提高数学课堂教学有效性的一项重要教学策略。
A German German scholar made an incisive metaphor for “situations.” If you could swallow 10 grams of salt, it would be hard to swallow anyway, but if you put 10 grams of salt in a delicious soup, you would In enjoying the food, unknowingly 10 grams of salt absorbed. Situation in knowledge, like soup in the salt. Salt needs to be dissolved in the soup to be absorbed; knowledge needs to be incorporated into the situation in order to show vitality and beauty. Therefore, careful creation of context is an important teaching strategy to improve the effectiveness of classroom teaching in mathematics.