二年级数学下册五《加与减》小小图书馆作业北师大版.docx

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1、1小小图书馆基础达标竖式计算。409-128= 308-156 517-243= 909-128= 716-224= 372-143=2、把下面的算式按得数大小,从大到小排列。600-147 275+637 706-249 624+157()()()()知识巩固1、在里填上“”、“”或“”。720-20720-700 692+132131+6936400+5006400-500 1000-750750+2002、猜猜我是几?(1)我比 245 多 54。()(2)我比 338 少 29。()(3)129 比我少 148。()(4)我比最大的三位数少 66。()能力提升一、二年级看庆“六一”文艺

2、演出,一年级去 97 人,二年级去 105 人。全场 200 个座位够吗?二年级比一年级多多少人?2一本书第一天看了 135 页,第二天看的比第一天少看 27 页,两天一共看了几页?538 元 266 元(1)买一套桌椅应花多少元?(2)每张办公桌比每把办公椅贵多少元?答案与解析基础达标1、竖式计算。略2、把下面的算式按得数大小,从大到小排列。600-147 275+637 706-249 624+157(275+637)(624+157)(706-249)(600-147)知识巩固1、在里填上“”、“”或“”。720-20720-700 692+132131+69336400+5006400

3、500 1000-750750+2002、猜猜我是几?(1)我比 245 多 54。(299)(2)我比 338 少 29。(309)(3)129 比我少 148。(277)(4)我比最大的三位数少 66。(933)能力提升1、一、二年级看庆“六一”文艺演出,一年级去 97 人,二年级去 105 人。(1)全场 200 个座位够吗?97+105202(人)202200 200 个座位不够。(2)二年级比一年级多多少人?105978(人)2、一本书第一天看了 135 页,第二天看的比第一天少看 27 页,两天一共看了几页?第二天看的页数:13527108(页)两天共看的页数:135+108143(页)3、538 元 266 元(1)买一套桌椅应花多少元?538+266804(元)(2)每张办公桌比每把办公椅贵多少元?538266272(元)4

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