数学是思维的体操,创新的摇篮。培养学生的创造性思维是数学课堂练习的重要任务之一,而目前小学数学课堂练习的弊病甚多,如内容封闭、形式单调、要求过死、评价主观等等,造成学生思维僵化。为此,必须 Mathematics is thinking gymnastics, cradle of innovation. To cultivate students’ creative thinking is one of the most important tasks in mathematics classroom practice. At present, many shortcomings in elementary mathematics classroom practice, such as closed content, monotonous forms, excessive death, subjective evaluation and so on, cause the students to think rigidly. To do this, you must