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义务教育课程标准实验教科书

义务教育课程标准实验教科书. 找规律. 执教 : 流美中心小学 薛友人. 猜猜看,是什么?. 兄弟十个两组,生来个子有高低。老大长得粗壮,老二生来有主意,老三长得个子长,老四生来没出息,别看老五个子小,拉起勾来有本事。. 10. 9. 8. 7. 13. 12. 你的表现真好!. 你设计的排列中,两端的物体是( ),中间的物体是( ),(  )比(  )多1。. 2. (1)一根木料锯3次,能锯成多少段?. (2)如果锯成6段, 需要锯几次?. 4 . 沿圆形池塘的一周共栽了75棵柳树,每两棵柳树中间栽一棵桃树,可以栽桃树多少棵?.

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义务教育课程标准实验教科书

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  1. 义务教育课程标准实验教科书 找规律 执教:流美中心小学 薛友人

  2. 猜猜看,是什么? • 兄弟十个两组,生来个子有高低。老大长得粗壮,老二生来有主意,老三长得个子长,老四生来没出息,别看老五个子小,拉起勾来有本事。

  3. 10 9 8 7 13 12

  4. 你的表现真好! 你设计的排列中,两端的物体是( ),中间的物体是( ),(  )比(  )多1。

  5. (1)一根木料锯3次,能锯成多少段? (2)如果锯成6段, 需要锯几次?

  6. 4.沿圆形池塘的一周共栽了75棵柳树,每两棵柳树中间栽一棵桃树,可以栽桃树多少棵?4.沿圆形池塘的一周共栽了75棵柳树,每两棵柳树中间栽一棵桃树,可以栽桃树多少棵?

  7. 谢谢同学们,再见!

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