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今年“六一”国际儿童节,浦东新区兰亭小学为庆祝活动安排了一场由小学一年级和辖区内三个幼儿园大班各20名学生的珠算式心算汇报表演。其中幼儿园大班学生的三步表演,更引人深思。第一步,教师口报五个个位数,学生们用算盘打出答数;第二步是不用算盘,而是空手模拟打算盘,把教师报的五个数,求出答数;第三步教师又另报了五个数,学生不动手用心算报出答数。不仅正确,而且快捷,使人们惊叹不已。过去仅仅被认为是记帐算帐的工具,要用一套什么“八上三去
This year's “61” International Children's Day, Pudong New Area, Lanting Primary School to celebrate the event arranged for a first grade and the area by the three kindergarten classes of 20 students abacus mental arithmetic report performance. One kindergarten class students three-step performance, more thought-provoking. The first step, the teacher reported five single digits, the students hit the answer with an abacus; the second step is not abacus, but empty-handed analog plan to the teacher reported five numbers, find the answer; the third Step teacher also reported a further five numbers, students do not give intentions report. Not only correct but also quick to make people wonder. In the past, it was only considered as a tool of accounting and accounting. What should I use?