一、本册教材编写的意图和特色(一)教材内容的呈现体现了以学生的学习活动为主线。数学教学是数学活动的教学,是师生之间、学生之间交往互动与共同发展的过程。本册教材十分注重学生的活动,让学生在活动中学习,在活动中发展。如在学习“千克、克的认识”时,教材提倡让学生去感 First, the intent and characteristics of the textbook compilation (A) The presentation of the textbook content reflects the student learning activities as the main line. Mathematics teaching is the teaching of mathematics activities, is the interaction between teachers and students, students interaction and common development process. This book teaching material pays great attention to the student's activity, lets the student study in the activity, develops in the activity. As in the study of “knowledge of grams, grams,” teaching materials to promote students to feel