资料简介
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www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com整理小数数位顺序表探索新知二问题:1.整理小数的数位顺序表。
www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com整理小数数位顺序表探索新知二2.为什么在百分位的后面排上千分位。
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2个十2个百分之一2个十分之一2个千分之一巩固练习教材P36T4翼
www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com高:0.58m厚:3.5cm重:41.47kg这是世界上最大的古钱币。3探索新知二问题:1.自己试着读出这枚古钱币的有关数据。零点五八四十一点四七三点五0.58读作:3.5读作:41.47读作:
www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com2.说一说你是怎样读的。零点五八四十一点四七三点五高:0.58m厚:3.5cm重:41.47kg0.58读作:3.5读作:41.47读作:这是世界上最大的古钱币。3探索新知二
www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com高:0.58m厚:3.5cm重:41.47kg这是世界上最大的古钱币。3小结:读小数时,整数部分按照整数的读法来读,整数部分是“0”的就读成“零”,小数部分要依次读出每个数字。探索新知二
读出下面各数。6.50.046.720.058340.09六点五零点零四六点七二零点零五八三百四十点零九巩固练习教材做一做翼
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