把握学具操作的三个阶段○黄辉（江苏省海门市东洲小学）学具操作作为一种教学手段，已被越来越多的教师所采用。如何使学具操作富有成效，达到预期的目的，笔者认为应把握好以下三个阶段：操作前此阶段重点体现操作前准备工作的充分性。１．要认真钻研教材和认真研究该学... Grasp the Three Phases of Learning Tools ○ Huang Hui (Dong Chau Primary School, Haimen, Jiangsu Province) As a teaching tool, academic learning has been adopted by more and more teachers. How to make the operation of learning tools productive and achieve the expected purpose, I believe that we should grasp the following three stages: This stage prior to the operation reflects the adequacy of pre-operation preparation. 1. Should conscientiously study the materials and carefully study the school ...