分數的基本性質:分數的分子和分母同時乘上或除以相同的數(0除" />

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歡迎您訪問分數的基本性質教學設計及反思:分數的意義和性質!

分數的基本性質教學設計及反思:分數的意義和性質

更新時間:2021-06-11 02:11:19作者:admin2

分數的意義分數的基本性質教學設計及反思:把單位1平均分成幾份,取其中的幾份就是數學中有分子分母的分數的意義

分數的基本性質:分數的分子和分母同時乘上或除以相同的數(0除外),分數的大小不變。
1.分數
2.1/15 7/15
3.8米長的繩子 1/8
4.16只兔子 1/4 4

分數的意義與性質思維導圖

分數的意義和性質 單元簡析:本單元是學生系統學習分數的開始.內容包括:分數的意義、分數與除法的 關系,真分數與假分數,分數的基本性質,最大公因數與約分,最小公倍數與通分以及分數與小數的互化.學生在三年級上學期的學習中,已借助操作、直觀,。

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