[苏教版]三年级（上册）数学解决问题的策略期末复习教学课件.pptx

该【[苏教版]三年级（上册）数学解决问题的策略期末复习教学课件 】是由【李小二工作室】上传分享，文档一共【16】页，该文档可以免费在线阅读，需要了解更多关于【[苏教版]三年级（上册）数学解决问题的策略期末复习教学课件 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。一两、三位数乘一位数··························································1二千克和克·········································································28三长方形和正方形································································36周长是多少······································································46四两、三位数除以一位数·······················································48五解决问题的策略································································71间隔排列·········································································78六平移、旋转和轴对称··························································80七分数的初步认识(一)·······················································87多彩的“分数条”·····························································96八期末复****183;········································································98苏教版三年级上册解决问题的策略明确题意整理条件选择策略(明确条件和问题)(列表、画线段图……)解决问题解决问题的一般方法:整理复****从条件出发的策略从条件开始想起,可以确定先算什么,再算什么梳理条件的方法:简化题意,帮助理解题意,明确数量关系。列表、画线段图首尾相同,两端物体的数量=中间物体的数量+1;首尾不同,物体的数量相等。,其中《成语故事》42本,《寓言故事》比《成语故事》多18本,《童话故事》的本数是《寓言故事》的3倍。购进《童话故事》多少本?《成语故事》《寓言故事》《童话故事》42本18本随堂练****选自教材第102页第25题】寓言故事:42+18=60(本)童话故事:60×3=180(本)答:购进《童话故事》180本。,其中《成语故事》42本,《寓言故事》比《成语故事》多18本,《童话故事》的本数是《寓言故事》的3倍。购进《童话故事》多少本?【选自教材第102页第25题】,每捆14棵,买的松树苗比杨树苗少16棵。买了多少棵松树苗?松树苗杨树苗16棵14棵【选自教材第102页第26题】,每捆14棵,买的松树苗比杨树苗少16棵。买了多少棵松树苗?杨树苗:3×14=42(棵)松树苗:42–16=26(棵)答:买了26棵松树苗。【选自教材第102页第26题】