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2026秋小学数学三升四暑假专项提升训练20天——归总问题(先求总量不变)第1天归总问题基础入门(购物、物品分配基础题型)核心考点:简单购物总价不变、物品平均分总量不变,掌握先求总量的基础解题逻辑1、一支钢笔8元,买6支钢笔的总钱数,刚好可以买8本笔记本,每本笔记本多少元?________________________________________________________________________________________________________________________________2、一个文具盒12元,买4个文具盒的钱,能买6块橡皮,一块橡皮多少元?________________________________________________________________________________________________________________________________3、每袋糖果有9颗,8袋糖果的总颗数,平均分给12个小朋友,每个小朋友分几颗?________________________________________________________________________________________________________________________________4、一本练习本5元,买16本练习本的钱,全部用来买4元一支的圆珠笔,能买多少支?________________________________________________________________________________________________________________________________5、每盒彩笔18元,买3盒彩笔的总钱数,刚好可以买9把尺子,每把尺子多少元?________________________________________________________________________________________________________________________________6、幼儿园每班分15个玩具,4个班一共分到的玩具,平均分给6个小班,每班分多少个?________________________________________________________________________________________________________________________________7、每束鲜花有10朵,9束鲜花的总朵数,重新扎成6束,平均每束有几朵?________________________________________________________________________________________________________________________________8、书包每个30元,买2个书包的钱,可以买10个笔袋,每个笔袋多少元?________________________________________________________________________________________________________________________________9、每本绘本20元,买5本绘本的总钱数,全部购买5元一本的作业本,能买多少本?________________________________________________________________________________________________________________________________10、水果店每篮装12个橙子,6篮橙子的总数,分装成8篮,每篮装几个橙子?________________________________________________________________________________________________________________________________第2天归总问题基础巩固(工程、劳作基础题型)核心考点:工作量、劳作总量不变题型,熟练运用「先求总工作量,再求新效率/新时间」1、工人师傅每天加工10个零件,8天可以完成一批零件,现在要5天完成,每天需要加工多少个零件?________________________________________________________________________________________________________________________________2、小明每天写15个大字,6天写完的练字总量,现在想3天写完,每天要写多少个大字?________________________________________________________________________________________________________________________________3、工厂每天生产22件玩具,4天生产的玩具总量,要求2天完成,每天需生产多少件?________________________________________________________________________________________________________________________________4、小红每天读18页课外书,5天读完一本书,现在每天读10页,多少天可以读完?________________________________________________________________________________________________________________________________5、农民伯伯每天收割9亩稻田,10天收割完,现在9天收割完,每天收割多少亩?________________________________________________________________________________________________________________________________6、手工课上每人做12个纸鹤,7人做的纸鹤总数,分给14个同学整理,每人整理几个?________________________________________________________________________________________________________________________________7、快递员每天派送30件快递,6天派送完的快件总量,4天派送完,每天派多少件?________________________________________________________________________________________________________________________________8、小刚每天跳绳120下,4天跳的总数量,分3天跳完,每天需要跳多少下?________________________________________________________________________________________________________________________________9、装订工人每天装订40本图书,3天装订的总量,现在5天装订完,每天装订多少本?________________________________________________________________________________________________________________________________10、养殖户每天投喂16千克饲料,9天用完的饲料总量,现在8天用完,每天投喂多少千克?________________________________________________________________________________________________________________________________第3天归总问题基础拓展(简单行程、运输题型)核心考点:路程、运输总量不变,掌握行程、运输类归总问题基础模型1、货车每小时行驶45千米,4小时到达目的地,总路程不变,轿车3小时走完全程,轿车每小时行多少千米?________________________________________________________________________________________________________________________________2、三轮车每次运18箱货物,6次运完一批货物,现在改用大车,4次运完,每次运多少箱?________________________________________________________________________________________________________________________________3、自行车每小时行15千米,8小时的路程,电动车5小时就能走完,电动车每小时行多少千米?________________________________________________________________________________________________________________________________4、小货车每次运25袋粮食,4次运完,大货车每次运50袋,几次可以运完这批粮食?________________________________________________________________________________________________________________________________5、客车每小时行60千米,5小时到达景区,现在提前1小时到达,每小时需要行多少千米?________________________________________________________________________________________________________________________________6、手推车每次运12筐蔬菜,9次运完,卡车每次运27筐,多少次可以运完?________________________________________________________________________________________________________________________________7、摩托车每小时行30千米,6小时的路程,步行需要10小时,步行每小时走多少千米?________________________________________________________________________________________________________________________________8、运输车每次运36箱水果,3次运完,分4次运完,每次需要运多少箱?________________________________________________________________________________________________________________________________9、汽车每小时行50千米,6小时到达,现在每小时多行10千米,几小时可以到达?________________________________________________________________________________________________________________________________10、小板车每次运8袋化肥,12次运完,大车每次运16袋,几次运完?________________________________________________________________________________________________________________________________第4天归总问题基础综合(三类基础题型混合)核心考点:混合运用购物、工程、行程归总模型,快速识别总量不变条件1、每支圆珠笔3元,买20支的总钱数,用来买5元一支的钢笔,能买多少支?________________________________________________________________________________________________________________________________2、工人每天加工18个配件,5天完成任务,现在6天完成,每天加工多少个?________________________________________________________________________________________________________________________________3、货车每小时行40千米,7小时的路程,轿车5小时走完,轿车速度是多少?________________________________________________________________________________________________________________________________4、幼儿园每桌坐8个小朋友,6桌的人数,平均分到12桌,每桌坐几人?________________________________________________________________________________________________________________________________5、小芳每天写20道计算题,4天写完的习题总量,2天写完,每天写多少道?________________________________________________________________________________________________________________________________6、每箱饮料有12瓶,8箱饮料的总瓶数,分装成16瓶一箱,能装多少箱?________________________________________________________________________________________________________________________________7、快递车每次运45件包裹,4次运完,现在分6次运完,每次运多少件?________________________________________________________________________________________________________________________________8、每块橡皮2元,买30块橡皮的钱,能买10支中性笔,每支中性笔多少元?________________________________________________________________________________________________________________________________9、修路队每天修25米路,8天修完的路程,5天修完,每天修多少米?________________________________________________________________________________________________________________________________10、三轮车每次运15箱蔬菜,8次运完,卡车每次运20箱,几次可以运完?________________________________________________________________________________________________________________________________第5天归总问题进阶基础(稍大数据运算题型)核心考点:提升运算难度,巩固先求总量、再求解的固定解题流程1、每套校服45元,买8套校服的总钱数,刚好可以买12套运动服,每套运动服多少元?________________________________________________________________________________________________________________________________2、工厂每天生产32台机器,6天生产的总量,4天完成生产,每天生产多少台?________________________________________________________________________________________________________________________________3、大巴车每小时行55千米,6小时到达目的地,小汽车5小时走完全程,每小时行多少千米?________________________________________________________________________________________________________________________________4、每筐苹果28千克,5筐苹果的总重量,平均分到7个筐里,每筐重多少千克?________________________________________________________________________________________________________________________________5、小华每天阅读24页书,7天读完的书籍,现在每天读28页,多少天读完?________________________________________________________________________________________________________________________________6、运输队每次运38吨货物,4次运完,现在分8次运完,每次运多少吨?________________________________________________________________________________________________________________________________7、每本画册36元,买5本画册的钱,全部购买9元一本的笔记本,能买多少本?________________________________________________________________________________________________________________________________8、装修工人每天贴42块瓷砖,5天贴完的总量,7天贴完,每天贴多少块?________________________________________________________________________________________________________________________________9、电动车每小时行28千米,9小时的路程,自行车12小时走完,自行车每小时行多少千米?________________________________________________________________________________________________________________________________10、超市每箱装35个面包,6箱面包的总数,分装成每箱30个,能装多少箱?________________________________________________________________________________________________________________________________第6天归总问题条件辨析(明确总量不变核心)核心考点:区分变量与不变量,精准锁定归总问题的恒定总量,规避解题误区1、同学们排队做操,每行站18人,正好站4行。如果每行站12人,可以站多少行?________________________________________________________________________________________________________________________________2、一堆煤炭,每天烧14千克,能烧6天。如果每天烧21千克,可以烧多少天?________________________________________________________________________________________________________________________________3、一根绳子,剪成每段16米,能剪3段。如果剪成每段8米,可以剪几段?________________________________________________________________________________________________________________________________4、一批作业本,每班分48本,分给3个班。现在分给4个班,平均每班分多少本?________________________________________________________________________________________________________________________________5、一桶水,每天用12升,8天用完。现在每天多用4升,多少天用完?________________________________________________________________________________________________________________________________6、一块菜地,每天收割30平方米,9天收割完。6天收割完,每天收割多少平方米?________________________________________________________________________________________________________________________________7、一批零件,每人做24个,5人可以做完。如果6人做,每人做多少个?________________________________________________________________________________________________________________________________8、零花钱每天花15元,10天花完总零花钱。现在每天花10元,可以花多少天?________________________________________________________________________________________________________________________________9、一卷彩带,每段剪18厘米,剪4段用完。剪成每段12厘米,能剪几段?________________________________________________________________________________________________________________________________10、一批树苗,每行种22棵,种6行。改成每行种33棵,可以种几行?________________________________________________________________________________________________________________________________第7天归总问题基础错题复盘(高频易错基础题)核心考点:攻克基础易错点,强化「先求总量」的固定思维,杜绝顺序颠倒错误1、买4个单价15元的书包的总钱数,用来买6个文具盒,每个文具盒多少元?________________________________________________________________________________________________________________________________2、修路队每天修36米,5天修完一段路,要提前2天修完,每天修多少米?________________________________________________________________________________________________________________________________3、货车6小时行360千米,总路程不变,轿车4小时行完全程,轿车每小时行多少千米?________________________________________________________________________________________________________________________________4、把6箱每箱20千克的水果,重新分装成8箱,平均每箱多少千克?________________________________________________________________________________________________________________________________5、小明每天做16道应用题,9天做完,现在每天多做2道,几天做完?________________________________________________________________________________________________________________________________6、一批货物,每次运28箱,6次运完,分7次运完,每次运多少箱?________________________________________________________________________________________________________________________________7、每支钢笔12元,买8支的钱,能买16支圆珠笔,每支圆珠笔多少元?________________________________________________________________________________________________________________________________8、同学们排队,每行24人,站3行,改成每行18人,可以站几行?________________________________________________________________________________________________________________________________9、一堆粮食,每天吃18千克,8天吃完,现在每天少吃2千克,可以吃几天?________________________________________________________________________________________________________________________________10、手工制作,每人做18个作品,6人完成,9人合作,每人做多少个?________________________________________________________________________________________________________________________________第8天归总问题变式题型一(时间、数量增减变式)核心考点:加入「多、少、提前、延后」条件,灵活运用总量不变解题1、工程队原计划每天修40米,6天修完公路,实际提前2天完成,实际每天修多少米?________________________________________________________________________________________________________________________________2、妈妈买毛巾,每条12元,买5条的钱,现在每条降价2元,能买多少条?________________________________________________________________________________________________________________________________3、一批零件,原计划每天加工25个,8天完成,实际每天多加工5个,几天完成?________________________________________________________________________________________________________________________________4、客车原计划每小时行50千米,6小时到达,实际每小时多行10千米,提前几小时到达?________________________________________________________________________________________________________________________________5、幼儿园分糖果,原计划每人分10颗,分给18人,现在少分给3人,每人能分几颗?________________________________________________________________________________________________________________________________6、一本书原计划每天读22页,7天读完,实际每天多读3页,几天读完?________________________________________________________________________________________________________________________________7、运输队原计划每次运30吨,6次运完货物,实际每次少运6吨,需要运几次?________________________________________________________________________________________________________________________________8、买笔记本,原计划买单价8元的笔记本9本,现在换买单价6元的,能多买几本?________________________________________________________________________________________________________________________________9、做操排队,原计划每行21人,站4行,现在每行多站7人,可以少站几行?________________________________________________________________________________________________________________________________10、一堆煤原计划每天烧16千克,9天烧完,实际每天多烧2千克,少烧几天?________________________________________________________________________________________________________________________________第9天归总问题变式题型二(隐藏总量题型)核心考点:挖掘题目隐藏不变总量,突破显性条件局限,提升审题能力1、工厂3天加工90个零件,照这样计算,8天加工的零件总量,分6天完成,每天加工多少个?________________________________________________________________________________________________________________________________2、小明2天写40道习题,按这个速度,7天写的习题总量,5天写完,每天写多少道?________________________________________________________________________________________________________________________________3、货车3小时行135千米,6小时行驶的总路程,轿车4小时走完,轿车每小时行多少千米?________________________________________________________________________________________________________________________________4、超市2天卖出60箱牛奶,8天卖出的牛奶总量,分10天卖完,每天卖多少箱?________________________________________________________________________________________________________________________________5、工人4小时组装48个玩具,9小时组装的总量,6小时组装完,每小时组装多少个?________________________________________________________________________________________________________________________________6、小红3分钟走180米,12分钟走的总路程,9分钟走完,每分钟走多少米?________________________________________________________________________________________________________________________________7、养殖场4天投喂80千克饲料,10天的饲料总量,8天用完,每天投喂多少千克?________________________________________________________________________________________________________________________________8、文具店5天卖出120支钢笔,7天卖出的总量,分14天卖完,每天卖多少支?________________________________________________________________________________________________________________________________9、修路队3天修75米路,8天修的总长度,5天修完,每天修多少米?________________________________________________________________________________________________________________________________10、手工组2小时做36个纸艺品,10小时做的总量,8小时做完,每小时做多少个?________________________________________________________________________________________________________________________________第10天归总问题变式综合(增减条件+隐藏总量混合)核心考点:融合两类变式题型,灵活分析复杂条件,稳固总量不变核心模型1、工人3天加工66个零件,按此速度,9天加工的零件总量,提前3天完成,每天加工多少个?________________________________________________________________________________________________________________________________2、笔记本每本9元,买8本的总钱数,现在每本便宜3元,能买多少本?________________________________________________________________________________________________________________________________3、客车4小时行220千米,8小时的总路程,轿车每小时多行15千米,几小时走完?________________________________________________________________________________________________________________________________4、一堆货物,每次运24箱,7次运完,实际每次多运4箱,几次运完?________________________________________________________________________________________________________________________________5、小明4天读88页书,10天读的总页数,计划5天读完,每天读多少页?________________________________________________________________________________________________________________________________6、做操每行20人,站6行,现在减少2行,每行站多少人?________________________________________________________________________________________________________________________________7、货车5小时行250千米,6小时总路程,提前1小时到达,每小时行多少千米?________________________________________________________________________________________________________________________________8、每块蛋糕12元,买6块的钱,现在每块降价4元,能多买几块?________________________________________________________________________________________________________________________________9、修路队每天修32米,9天修完,实际每天少修8米,需要几天修完?________________________________________________________________________________________________________________________________10、手工组3小时做45个手工,8小时总量,6小时完成,每小时多做多少个?________________________________________________________________________________________________________________________________第11天归总问题混合运算题型(含两步混合计算)核心考点:结合三年级混合运算规则,解决带加减、括号的归总问题,衔接四年级运算知识1、商店每盒钢笔有8支,每支5元,买4盒钢笔的总钱数,买每支4元的圆珠笔,能买多少支?________________________________________________________________________________________________________________________________2、工人每小时加工12个零件,每天工作6小时,3天加工的总量,4天完成,每天加工多少个?________________________________________________________________________________________________________________________________3、水果店每箱装15个橘子,每千克橘子有3个,6箱橘子总数量,分装成每箱10个,能装几箱?________________________________________________________________________________________________________________________________4、小明每分钟写18个字,每天练字20分钟,4天写字总量,3天写完,每天写多少字?________________________________________________________________________________________________________________________________5、货车每次运12箱货物,每箱重8千克,5次运的总重量,分6次运完,每次运多少千克?________________________________________________________________________________________________________________________________6、学校每班配14套桌椅,8个班的桌椅总量,重新分给7个班,每班分多少套?________________________________________________________________________________________________________________________________7、每本字帖16页,每页写20个字,5本字帖总字数,分8天写完,每天写多少字?________________________________________________________________________________________________________________________________8、快递员每次派送18件包裹,每天派送4次,6天派送总量,8天派完,每天派多少件?________________________________________________________________________________________________________________________________9、菜地每平方米收9千克蔬菜,40平方米菜地总产量,分6次运完,每次运多少千克?________________________________________________________________________________________________________________________________10、玩具厂每小时生产22个玩具,每天工作8小时,3天产量,4天完成,每天生产多少个?________________________________________________________________________________________________________________________________第12天归总问题生活综合情境(购物、居家、校园综合)核心考点:贴合新课标真实情境要求,解决生活化复杂归总问题,强化应用意识1、妈妈去超市购物,买每千克8元的苹果6千克,总钱数刚好买4千克香蕉,每千克香蕉多少元?________________________________________________________________________________________________________________________________2、学校采购防疫物资,每班分24个口罩,分给9个班的总量,现在分给12个班,每班分多少个?________________________________________________________________________________________________________________________________3、家用饮水机每天耗电3度,12天的总耗电量,节能模式下9天用完,每天耗电多少度?________________________________________________________________________________________________________________________________4、班级采购文具,买10元一支的钢笔6支的总钱数,购买7元一本的笔记本,最多能买几本?________________________________________________________________________________________________________________________________5、小区绿化队每天修剪28平方米草坪,10天修剪完,8天完成,每天修剪多少平方米?________________________________________________________________________________________________________________________________6、暑期夏令营,每间宿舍住6人,正好住满14间,现在每间住7人,需要多少间宿舍?________________________________________________________________________________________________________________________________7、水果店打包水果礼盒,每盒装12个橙子,装8盒的总量,改装每盒16个,能装几盒?________________________________________________________________________________________________________________________________8、爸爸开车上班,每小时45千米,4小时到达,雨天每小时行30千米,几小时到达?________________________________________________________________________________________________________________________________9、手工社团制作手工艺品,每天做35个,6天完成,提前1天完成,每天做多少个?________________________________________________________________________________________________________________________________10、食堂每天消耗25千克大米,12天用完一批大米,现在每天节约5千克,可以用几天?________________________________________________________________________________________________________________________________第13天归总问题对比辨析题型(归一、归总区分训练)核心考点:区分归一问题与归总问题,精准识别「总量不变」归总题型特征1、对比题1:①3支钢笔15元,8支钢笔多少元?②每支钢笔5元,买8支的钱能买10支圆珠笔,每支圆珠笔多少元?(完成第二题归总问题)________________________________________________________________________________________________________________________________2、对比题2:①工人4天加工80个零件,每天加工多少个?②工人每天加工20个零件,6天总量,5天完成,每天加工多少个?(完成第二题归总问题)________________________________________________________________________________________________________________________________3、一批货物,每次运18箱,8次运完,现在每次运24箱,几次运完?________________________________________________________________________________________________________________________________4、小明3天读60页书,按此速度7天读多少页?(归一)换:小明每天读20页,7天总量,5天读完,每天读多少页?(归总,完成此题)________________________________________________________________________________________________________________________________5、大巴车每小时行55千米,6小时路程,小轿车5小时走完,小轿车每小时行多少千米?________________________________________________________________________________________________________________________________6、5本笔记本25元,9本笔记本多少元?(归一)换:每本5元,买9本的钱买3元的本子,能买几本?(归总,完成此题)________________________________________________________________________________________________________________________________7、做操每行22人,站6行,改成每行33人,可以站几行?________________________________________________________________________________________________________________________________8、快递员2天派送70件包裹,5天派送多少件?(归一)换:每天派35件,5天总量,7天派完,每天派多少件?(归总,完成此题)________________________________________________________________________________________________________________________________9、一堆煤每天烧19千克,8天烧完,现在每天烧16千克,可以烧几天?________________________________________________________________________________________________________________________________10、4千克苹果36元,7千克苹果多少元?(归一)换:每千克9元,买4千克的钱买6千克梨,每千克梨多少元?(归总,完成此题)________________________________________________________________________________________________________________________________第14天归总问题拔高变式(多条件复合题型)核心考点:多重复合条件,需要两步以上分析,全面提升逻辑推理能力1、工厂计划每天生产30台机器,12天完成订单,实际每天多生产6台,实际提前几天完成?________________________________________________________________________________________________________________________________2、妈妈带的钱,买单价15元的洗发水4瓶正好用完,现在洗发水涨价3元,能买几瓶?________________________________________________________________________________________________________________________________3、修路队每天修45米,8天修完一段路,实际延后2天完成,实际每天修多少米?________________________________________________________________________________________________________________________________4、一批玩具,每人做16个,9人可以做完,实际少用1人,每人需要做多少个?________________________________________________________________________________________________________________________________5、汽车每小时行60千米,5小时到达目的地,返程时每小时少行10千米,返程需要几小时?________________________________________________________________________________________________________________________________6、食堂储备粮食,每天吃32千克,15天吃完,现在每天少吃2千克,可以多吃几天?________________________________________________________________________________________________________________________________7、手工制作比赛,原计划每人做24个作品,6人完成,实际增加2人参与,每人做多少个?________________________________________________________________________________________________________________________________8、超市进货,每箱饮料48元,买10箱的总钱数,现在每箱降价8元,能多买几箱?________________________________________________________________________________________________________________________________9、小明暑期练字,计划每天写36个大字,10天写完,实际每天多写9个,提前几天写完?________________________________________________________________________________________________________________________________10、运输队运货,每次运42吨,6次运完,实际每次少运7吨,需要多运几次?________________________________________________________________________________________________________________________________第15天归总问题综合拔高一(大数运算+复合情境)核心考点:适配四年级运算难度,大数计算+复杂生活情境,夯实衔接基础1、工程队修建道路,每天修56米,10天修完,现在要求8天修完,每天需要修多少米?________________________________________________________________________________________________________________________________2、商场采购礼品,每套礼盒68元,买8套的总钱数,用来买4套高端礼盒,每套高端礼盒多少元?________________________________________________________________________________________________________________________________3、货车满载每小时行48千米,9小时到达仓库,空载每小时行72千米,返程需要几小时?________________________________________________________________________________________________________________________________4、农场收割小麦,每天收割45亩,12天收割完,9天收割完毕,每天收割多少亩?________________________________________________________________________________________________________________________________5、培训机构采购教具,每套教具36元,买15套的总钱数,买20套简易教具,每套简易教具多少元?________________________________________________________________________________________________________________________________6、印刷厂每天印刷52本图书,8天印刷总量,现在13天印刷完,每天印刷多少本?________________________________________________________________________________________________________________________________7、骑行爱好者每小时骑行35千米,12小时的路程,开车7小时走完,开车每小时行多少千米?________________________________________________________________________________________________________________________________8、养殖场投喂饲料,每天投喂48千克,10天用完,现在每天投喂40千克,可以用几天?________________________________________________________________________________________________________________________________9、班级团建采购零食,每袋零食18元,买12袋的总钱数,买24袋小零食,每袋小零食多少元?________________________________________________________________________________________________________________________________10、零件加工厂每小时加工38个零件,12小时总量,8小时完成,每小时加工多少个?________________________________________________________________________________________________________________________________第16天归总问题综合拔高二(易错陷阱专项)核心考点:攻克单位混淆、条件多余、问题陷阱等高频易错点,提升解题准确率1、每支钢笔12元,买9支钢笔的钱,最多能买多少支单价8元的圆珠笔?________________________________________________________________________________________________________________________________2、工人每天加工28个零件,12天完成任务,实际每天多加工4个,提前几天完成?________________________________________________________________________________________________________________________________3、一堆货物重720千克,每次运36千克,20次运完,现在每次多运9千克,几次运完?________________________________________________________________________________________________________________________________4、小明每天读32页书,15天读完一本书,实际延后5天读完,实际每天读多少页?________________________________________________________________________________________________________________________________5、超市每箱牛奶45元,买16箱的总钱数,现在每箱降价5元,能买多少箱?________________________________________________________________________________________________________________________________6、同学们排队,每行25人,站12行,减少3行后,每行站多少人?__________________________________________________________________
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