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简介
时间，作为数学与生活紧密相连的一个维度，自古以来就是人类活动不可或缺的一部分。在本次教学活动中，我们将引导学生基于已有的时间观念，进一步探索时间的基本单位——秒。我们将着重于时、分、秒之间的内在联系，帮助孩子们构建一个全面的时间体系认知。通过实际操作计时器，让学生亲身体验不同时间长度的感受，直观理解一分钟、一秒钟的具体含义，从而加深对时间概念的理解和应用。
学习目录
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{
"i18nChapterName": " ",
"i18nUnitName": " ",
"i18nLessonName": " ",
"i18nTaskName":"任务"
}
{
"text": {
"icon": "es-icon es-icon-graphic",
"name": "图文"
}
,
"video": {
"icon": "es-icon es-icon-video",
"name": "视频"
}
,
"audio": {
"icon": "es-icon es-icon-audio",
"name": "音频"
}
,
"live": {
"icon": "es-icon es-icon-entry-live",
"name": "直播"
}
,
"discuss": {
"icon": "es-icon es-icon-discuss",
"name": "讨论"
}
,
"flash": {
"icon": "es-icon es-icon-flash",
"name": "Flash"
}
,
"doc": {
"icon": "es-icon es-icon-document",
"name": "文档"
}
,
"ppt": {
"icon": "es-icon es-icon-ppt",
"name": "PPT"
}
,
"testpaper": {
"icon": "es-icon es-icon-examination",
"name": "考试"
}
,
"homework": {
"icon": "es-icon es-icon-task",
"name": "作业"
}
,
"exercise": {
"icon": "es-icon es-icon-exercise",
"name": "练习"
}
,
"download": {
"icon": "es-icon es-icon-downloadfile",
"name": "下载资料"
}
,
"replay": {
"icon": "es-icon es-icon-zhibohuifang",
"name": "直播回放"
}
,
"pseudolive": {
"icon": "es-icon es-icon-a-Frame8",
"name": "智能直播"
}
}
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