“九义”教材中口算笔算珠算的关系楚雄师范附小杨勇传统的珠算教学，是先让学生学会口诀，再进行大量的练习，从而达到熟练使用算盘进行计算的目的。然而学生学会珠算后，却没有更多的实践机会，不利于学生整体计算能力的提高。因此，“九义”小学数学教材对口算、笔算和... “Nine meaning” textbook abacus calculation abacus relationship Chuxiong normalized Xiaoyong Yang traditional abacus teaching is to allow students to learn formulas, and then a lot of practice, so as to achieve proficiency in the use of abacus calculation purposes. However, after students learn abacus, but no more practical opportunities, is not conducive to improving the overall computational ability of students. Therefore, “nine justice” primary school mathematics textbook, pen calculation and ...