一年级数学下册第1单元加与减(一)《跳伞表演》习题(新版)北师大版.docx

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1跳伞表演一、 我是小法官。 (对的打“,错的打“。 )1、13 比 7 少 6。 ( )2、因为 13 能分成 10 和 3,所以 13-3=10。 ( )3、计算 12-5 时,想几加 5 得 12。 ( )4、南南今年 8 岁,西西明年 11 岁,西西比南南大 3 岁。 ( )二、按要求排一排。1、12-8 15-9 12-7 13-4 15-8 ( )( )( )( )( )2、7+5 13-4 12-6 14-7 11-3 ( )( )( )( )( )三、口算题。125 133 010205 186 146四、看图列式计算。= ( 个 ) 五、一本故事书 15 元,一支钢笔 7 元,一本笔记本 4 元。1、一本故事书比一支钢笔贵多少元?2、一本故事书比一本笔记本贵多少元?23、果园里有桃树 16 棵,梨树 7 棵,果园里的梨树比桃树少几棵?4、为了奖励同学们的卫生好习惯,老师决定对表现好的同学进行小红花奖励。小雪已经得了 12 朵小红花,而小磊却得了 8 朵。问:小雪比小磊多得了几朵?答案与解析略

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