三年级数学下册六《认识分数》分一分(一)同步练习北师大版.doc

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1分一分(一) 一、连一连1. 15 个,每 5 个一份 A. 能分 4 份 2. 21 个,每 3 个一份 B. 能分 3 份3. 24 个,每 6 个一份 C. 能分 8 份4. 24 个,每 3 个一份 D. 能分 7 份二、小猫装苹果1. 如果每两个装 1 袋,可以装( )袋。2. 如果 3 个装 1 袋,可装( )袋,还剩( )。3. 102=5(个)表示:_。4. 105=2(个)表示:_。5. 102=5(袋)表示:_。6. 105=2(袋)表示:_。三、分一分、画一画有 18 个,每几个分一份,恰好能分完,有几种不同的分法?画出来。例如:每 2 个分一份。 答案一、1B 2D 3A 4C二、1. 52. 3 13. 十个分两袋,每袋五个24. 十个分五袋,每袋两个5. 两个一袋,可以分五袋6. 五个一袋,可以分两袋三、略

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