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分数的意义

分数的意义. 引导者 : 洪雯雯. 分数我创造. 明确分工 : 四人小组为单位 , 每位组员选一种材料分一分 , 并说一说你得到分数的过程 . 学会交流 : 一人演示时小组成员认真观察 , 仔细聆听 , 积极补充. 在雅典奥运会上我国羽毛球健儿奋力拼搏 , 夺得的金牌数占该项目金牌总数的 。. 一个大饼一个梨 , 一吨稻谷一克米 , 一片树林一群鸡 , 都可看作单位 “ 1 ” 。. 3 ( ). ( ) 5. ( ) ( ). 用分数表示下面各图中的涂色部分。. 读出下面分数，并说说每个分数的分数单位。.

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分数的意义

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  1. 分数的意义 引导者:洪雯雯

  2. 分数我创造 • 明确分工:四人小组为单位,每位组员选一种材料分一分,并说一说你得到分数的过程. • 学会交流:一人演示时小组成员认真观察,仔细聆听,积极补充.

  3. 在雅典奥运会上我国羽毛球健儿奋力拼搏,夺得的金牌数占该项目金牌总数的 。

  4. 一个大饼一个梨, 一吨稻谷一克米, 一片树林一群鸡, 都可看作单位“1”。

  5. 3 ( ) ( ) 5 ( ) ( )

  6. 用分数表示下面各图中的涂色部分。

  7. 读出下面分数，并说说每个分数的分数单位。 4 11 11 15 17 20 1 10 4 7 7 8

  8. 三天打鱼， 两天晒网。

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