长期以来,我国小学数学教学都是珠算,笔算互不联系,珠算单独去讲,学习时不与笔算结合,形成学生毕业后,口算不灵,笔算不快,珠算不会。而“三算结合”教学是从小学一年级开始,将口算、笔算和珠算有机地结合在一起,三种计算方法各展其 For a long time, Chinese primary school mathematics teaching are abacus, pen and not touch each other, abacus alone to talk about, not with the pen learning when combined to form a student after graduation, not counting, pen and not happy, abacus will not. And “three count combination ” teaching is from the first grade of primary school, the word count, pen calculation and abacus organically together, the three calculation methods each show its