论文部分内容阅读
珠算在算术教学中是一个很重要的組成部分。广东实驗学校林如凤老师,很注意指导学生学好珠算,她教的新制四年級学生一般都能够掌握珠算知識,运用口訣,迅速撥珠,求出結果。下面就介紹一下林老师的珠算教学經驗。 (一)重視拨珠法的教学,培养学生正确的拨珠习惯。林老师在讲算盘的认識时,就教給学生三指分工的撥珠法。首先运用直观,說明拇指和食指要放在梁的下面,专管下珠,中指要放在梁的上面,专管上珠。接着結合記数法,指导学生指法练习,教师先作示范,学生跟着练习,分为四个动作:1.下珠向上
Abacus is a very important part of arithmetic teaching. Lin Rufeng Experimental School in Guangdong Province, very concerned about guiding students to learn abacus, she taught the new fourth grade students are generally able to master abacus knowledge, the use of formulas, quickly dial the beads, find the result. Here to introduce Lin's abacus teaching experience. (A) emphasis on teaching beads method, training students to practice the correct beads. Lin teacher in the understanding of abacus, taught the students three finger division of the method of beads. First of all, the use of intuitive, indicating the thumb and index finger to be placed under the beam, under the special charge of beads, the middle finger to be placed on top of the beam, specializing in beads. Then combined with notation, to guide students to practice fingering, teachers first as a demonstration, students follow practice, divided into four actions: 1. Pearl under the upward