2026秋小学数学二升三年级重量单位（千克、克）应用题暑假专项提升训练20天

2026秋小学数学二升三年级重量单位（千克、克）应用题暑假专项提升训练20天第1天基础认知·单位换算入门应用题（10题）核心考点：掌握1千克=1000克基础换算，简单单一量求和、求差应用题，建立基础量感1.一个苹果重200克，一个橙子重300克，苹果和橙子一共重多少克？答：________________________________________________________________________________________________________________________________2.一袋食盐重500克，两袋这样的食盐一共重多少克？答：________________________________________________________________________________________________________________________________3.一瓶牛奶重250克，喝掉100克后，还剩多少克牛奶？答：________________________________________________________________________________________________________________________________4.1千克的棉花和1000克的铁块重量相等，请问1千克等于多少克？答：________________________________________________________________________________________________________________________________5.一袋大米重1千克，吃掉300克，还剩多少克大米？答：________________________________________________________________________________________________________________________________6.一个鸡蛋重50克，两个鸡蛋一共重多少克？答：________________________________________________________________________________________________________________________________7.一盒饼干重400克，另一盒饼干重500克，两盒饼干相差多少克？答：________________________________________________________________________________________________________________________________8.妈妈买了1千克土豆，已经用掉600克，还剩多少克土豆？答：________________________________________________________________________________________________________________________________9.一支牙膏重120克，两支牙膏一共重多少克？答：________________________________________________________________________________________________________________________________10.一包挂面重1000克，也就是多少千克？吃掉200克后，还剩多少克？答：________________________________________________________________________________________________________________________________第2天单位换算进阶·统一单位计算应用题（10题）核心考点：熟练进行克与千克互化，先统一单位再加减计算，突破单位混用易错点1.一袋面粉2千克，一袋糯米粉1500克，面粉比糯米粉重多少克？答：________________________________________________________________________________________________________________________________2.妈妈买了3千克香蕉和800克葡萄，一共买了多少克水果？答：________________________________________________________________________________________________________________________________3.一桶油重5千克，用掉2000克，还剩多少千克油？答：________________________________________________________________________________________________________________________________4.一个书包重1千克，一本书重200克，书包比书重多少克？答：________________________________________________________________________________________________________________________________5.水果店运来2千克草莓和1200克蓝莓，草莓和蓝莓一共重多少克？答：________________________________________________________________________________________________________________________________6.一壶水重4千克，倒出1500克，壶里还剩多少克水？答：________________________________________________________________________________________________________________________________7.一只小狗重3千克，一只小猫重1800克，小狗比小猫重多少克？答：________________________________________________________________________________________________________________________________8.爸爸买了1千克瓜子和900克花生，瓜子和花生一共重多少克？答：________________________________________________________________________________________________________________________________9.一箱饮料重6千克，喝掉3000克后，还剩多少千克饮料？答：________________________________________________________________________________________________________________________________10.一个西瓜重4千克，一个哈密瓜重2500克，哈密瓜比西瓜轻多少克？答：________________________________________________________________________________________________________________________________第3天生活场景·物品称重求和应用题（10题）核心考点：结合日常购物、居家场景，熟练运用质量加法解决实际问题，强化量感认知1.超市购物，妈妈买了300克西红柿、200克黄瓜，一共买了多少克蔬菜？答：________________________________________________________________________________________________________________________________2.早餐吃了150克面包、50克鸡蛋，早餐一共吃了多少克食物？答：________________________________________________________________________________________________________________________________3.鱼缸里有两袋鱼食，第一袋重400克，第二袋重600克，两袋鱼食一共重多少千克？答：________________________________________________________________________________________________________________________________4.快递站收到一个1千克的包裹和一个500克的包裹，两个包裹一共重多少克？答：________________________________________________________________________________________________________________________________5.奶奶晒干货，晒干的萝卜干重200克，豆角干重300克，两种干货一共重多少克？答：________________________________________________________________________________________________________________________________6.文具店有一盒橡皮重100克，一盒铅笔重150克，两样文具一共重多少克？答：________________________________________________________________________________________________________________________________7.果园采摘，第一篮桃子重2千克，第二篮桃子重1800克，两篮桃子一共重多少克？答：________________________________________________________________________________________________________________________________8.冲泡奶茶，用了20克奶粉、10克糖，原料一共重多少克？答：________________________________________________________________________________________________________________________________9.玩具箱里，积木重800克，拼图重200克，两种玩具一共重多少千克？答：________________________________________________________________________________________________________________________________10.食堂采购，青菜重4千克，菠菜重1200克，两种蔬菜一共重多少克？答：________________________________________________________________________________________________________________________________第4天生活场景·物品称重求差应用题（10题）核心考点：运用质量减法解决轻重对比、剩余重量问题，区分求和与求差题型1.一个榴莲重3千克，一个芒果重400克，榴莲比芒果重多少克？答：________________________________________________________________________________________________________________________________2.一桶洗衣液重2000克，用掉800克，还剩多少克洗衣液？答：________________________________________________________________________________________________________________________________3.一本厚词典重900克，一本薄笔记本重200克，词典比笔记本重多少克？答：________________________________________________________________________________________________________________________________4.5千克的大米，做饭用掉1500克，还剩多少克大米？答：________________________________________________________________________________________________________________________________5.一只公鸡重2千克，一只鸭子重1600克，鸭子比公鸡轻多少克？答：________________________________________________________________________________________________________________________________6.一瓶爽肤水重300克，用掉一部分后还剩120克，用掉多少克？答：________________________________________________________________________________________________________________________________7.一箱苹果重6千克，送出2800克，还剩多少克苹果？答：________________________________________________________________________________________________________________________________8.一个保温杯重350克，一个塑料杯重100克，保温杯比塑料杯重多少克？答：________________________________________________________________________________________________________________________________9.4千克的面粉，做馒头用掉2200克，还剩多少克面粉？答：________________________________________________________________________________________________________________________________10.一串葡萄重800克，一串提子重550克，葡萄比提子重多少克？答：________________________________________________________________________________________________________________________________第5天基础乘法·单量倍数称重应用题（10题）核心考点：结合乘法计算多个相同物品总重量，掌握“单个重量×数量=总重量”公式1.一个包子重100克，5个同样的包子一共重多少克？答：________________________________________________________________________________________________________________________________2.一袋糖果重200克，4袋这样的糖果重多少克？答：________________________________________________________________________________________________________________________________3.一个火龙果重300克，3个火龙果一共重多少克？答：________________________________________________________________________________________________________________________________4.一瓶小样洗发水重80克，6瓶这样的洗发水重多少克？答：________________________________________________________________________________________________________________________________5.一个羽毛球重5克，10个羽毛球一共重多少克？答：________________________________________________________________________________________________________________________________6.一袋坚果重150克，7袋坚果一共重多少克？答：________________________________________________________________________________________________________________________________7.一个橙子重250克，4个橙子一共重多少克？合多少千克？答：________________________________________________________________________________________________________________________________8.一块小蛋糕重120克，8块蛋糕一共重多少克？答：________________________________________________________________________________________________________________________________9.一包湿巾重90克，9包湿巾一共重多少克？答：________________________________________________________________________________________________________________________________10.一个圣女果重10克，20个圣女果一共重多少克？答：________________________________________________________________________________________________________________________________第6天基础除法·平均分称重应用题（10题）核心考点：掌握“总重量÷数量=单个重量”，解决平均分重量问题，衔接除法应用1.400克饼干平均分成4份，每份饼干重多少克？答：________________________________________________________________________________________________________________________________2.600克糖果平均装在6个袋子里，每个袋子装多少克糖果？答：________________________________________________________________________________________________________________________________3.1千克大米平均分成5份，每份大米重多少克？答：________________________________________________________________________________________________________________________________4.800克酸奶平均分给8个小朋友，每个小朋友分到多少克酸奶？答：________________________________________________________________________________________________________________________________5.900克面粉平均分成3份，每份面粉重多少克？答：________________________________________________________________________________________________________________________________6.2千克水果平均分成4份，每份水果重多少克？答：________________________________________________________________________________________________________________________________7.500克枸杞平均分5份，每份枸杞重多少克？答：________________________________________________________________________________________________________________________________8.700克坚果平均装在7个小盒子里，每个盒子装多少克？答：________________________________________________________________________________________________________________________________9.3千克土豆平均分成6份，每份土豆重多少克？答：________________________________________________________________________________________________________________________________10.1000克红枣平均分成2份，每份红枣重多少克？答：________________________________________________________________________________________________________________________________第7天两步计算·先乘后加减应用题（10题）核心考点：进阶两步运算，先求多份总重量，再进行求和、求差计算，提升逻辑思维1.一个面包重80克，买4个面包，吃掉100克，还剩多少克面包？答：________________________________________________________________________________________________________________________________2.一袋瓜子重120克，5袋瓜子，吃掉300克，还剩多少克瓜子？答：________________________________________________________________________________________________________________________________3.一个橘子重150克，6个橘子，送给别人200克，还剩多少克橘子？答：________________________________________________________________________________________________________________________________4.一支笔重10克，8支笔，搭配一个50克的笔盒，整套文具一共重多少克？答：________________________________________________________________________________________________________________________________5.一块饼干重20克，10块饼干，再加一袋150克的面包，总重量是多少克？答：________________________________________________________________________________________________________________________________6.一个果冻重30克，9个果冻，吃掉120克，还剩多少克果冻？答：________________________________________________________________________________________________________________________________7.一双袜子重25克，4双袜子，收纳盒重80克，放在一起总重多少克？答：________________________________________________________________________________________________________________________________8.一颗糖果重15克，7颗糖果，吃掉60克，还剩多少克糖果？答：________________________________________________________________________________________________________________________________9.一个小本子重40克，5个本子，搭配一个300克的书包挂件，总重多少克？答：________________________________________________________________________________________________________________________________10.一根火腿肠重50克，8根火腿肠，吃掉250克，还剩多少克？答：________________________________________________________________________________________________________________________________第8天两步计算·先除后加减应用题（10题）核心考点：先平均分求单量，再进行重量对比、求和求差，掌握混合运算应用题逻辑1.800克芒果平均分成4份，吃掉一份，还剩多少克芒果？答：________________________________________________________________________________________________________________________________2.900克葡萄平均分3份，一份送给邻居，剩下的葡萄重多少克？答：________________________________________________________________________________________________________________________________3.1000克酸奶平均分5杯，喝掉2杯，还剩多少克酸奶？答：________________________________________________________________________________________________________________________________4.600克松子平均分2份，一份自己吃，一份送人，自己吃了多少克？答：________________________________________________________________________________________________________________________________5.1200克红枣平均分6袋，用掉3袋，还剩多少克红枣？答：________________________________________________________________________________________________________________________________6.400克巧克力平均分4块，吃掉1块，剩余多少克？答：________________________________________________________________________________________________________________________________7.1500克橘子平均分5份，卖出2份，还剩多少克橘子？答：________________________________________________________________________________________________________________________________8.700克瓜子平均分7小包，吃掉4小包，还剩多少克？答：________________________________________________________________________________________________________________________________9.2000克香蕉平均分4串，吃掉1串，还剩多少克香蕉？答：________________________________________________________________________________________________________________________________10.800克饼干平均分8盒，送出5盒，还剩多少克饼干？答：________________________________________________________________________________________________________________________________第9天单位辨析·合理选型+计算应用题（10题）核心考点：结合生活常识判断物品质量单位，规避单位误用，结合计算解题，强化量感1.一个乒乓球约重3克，一个羽毛球约重5克，一个乒乓球和一个羽毛球一共重多少克？答：________________________________________________________________________________________________________________________________2.一只小鸡重200克，一只大鸡重2千克，大鸡比小鸡重多少克？答：________________________________________________________________________________________________________________________________3.一块橡皮重10克，一把直尺重5克，10块橡皮和一把直尺一共重多少克？答：________________________________________________________________________________________________________________________________4.一袋洗衣粉重1千克，一块肥皂重800克，洗衣粉比肥皂重多少克？答：________________________________________________________________________________________________________________________________5.一颗草莓重20克，一盒有15颗草莓，这盒草莓一共重多少克？答：________________________________________________________________________________________________________________________________6.一个书包重1200克，装入300克的书本，书包和书本一共重多少克？答：________________________________________________________________________________________________________________________________7.一瓶矿泉水重500克，4瓶矿泉水一共重多少克？合多少千克？答：________________________________________________________________________________________________________________________________8.一只兔子重3千克，一只仓鼠重300克，兔子比仓鼠重多少克？答：________________________________________________________________________________________________________________________________9.一包便利贴重40克，5包便利贴比一包200克的彩纸重多少克？答：________________________________________________________________________________________________________________________________10.一桶罐头重800克，吃掉一半后，还剩多少克罐头？答：________________________________________________________________________________________________________________________________第10天中期综合·基础题型混合训练（10题）核心考点：整合前9天知识点，混合换算、加减、乘除、两步计算题型，查漏补缺1.2千克苹果和1300克梨，一共重多少克？苹果比梨重多少克？答：________________________________________________________________________________________________________________________________2.一个月饼重180克，4个月饼一共重多少克？吃掉300克后还剩多少克？答：________________________________________________________________________________________________________________________________3.1500克坚果平均分成5份，每份重多少克？两份一共重多少克？答：________________________________________________________________________________________________________________________________4.一桶5千克的食用油，用掉2500克，还剩多少千克多少克？答：________________________________________________________________________________________________________________________________5.一支口红重15克，8支口红总重量比100克多多少克？答：________________________________________________________________________________________________________________________________6.3袋大米，每袋1千克，吃掉1800克，还剩多少克大米？答：________________________________________________________________________________________________________________________________7.600克芒果干和400克葡萄干，混合后一共重多少克？合多少千克？答：________________________________________________________________________________________________________________________________8.20个同样的纽扣重100克，5个纽扣重多少克？答：________________________________________________________________________________________________________________________________9.一个收纳箱重800克，放入6包每包100克的纸巾，总重量多少克？答：________________________________________________________________________________________________________________________________10.4千克鸭肉，卖出2200克，又买来1500克，现在有多少克鸭肉？答：________________________________________________________________________________________________________________________________第11天购物称重·价格+重量综合应用题（10题）核心考点：结合超市购物场景，融合重量计算与生活消费，提升综合应用能力1.超市苹果每500克8元，妈妈买了1000克苹果，一共买了多少个500克？答：________________________________________________________________________________________________________________________________2.橘子每500克5元，奶奶买了1500克橘子，1500克里面有几个500克？答：________________________________________________________________________________________________________________________________3.一袋500克的饼干售价9元，买4袋这样的饼干，总重量是多少克？合多少千克？答：________________________________________________________________________________________________________________________________4.猪肉每500克15元，爸爸买了2000克猪肉，2000克是多少个500克？总重量多少千克？答：________________________________________________________________________________________________________________________________5.一盒250克的酸奶，4盒酸奶一共重多少克？合多少千克？答：________________________________________________________________________________________________________________________________6.每500克香蕉4元，买2500克香蕉，香蕉总重量是多少克？答：________________________________________________________________________________________________________________________________7.一包300克的薯片，买5包，吃掉600克，还剩多少克薯片？答：________________________________________________________________________________________________________________________________8.1千克火龙果售价12元，一个火龙果重500克，两个火龙果重多少克？答：________________________________________________________________________________________________________________________________9.超市散装糖果每100克6元，买800克糖果，糖果总重量多少克？吃掉200克剩多少？答：________________________________________________________________________________________________________________________________10.一袋400克的面包，买6袋，总重量多少克？吃掉1200克后还剩多少克？答：________________________________________________________________________________________________________________________________第12天容器称重·净重毛重应用题（10题）核心考点：掌握毛重、净重、容器重量的关系，解决带容器称重的实际问题1.一个空杯子重100克，装入300克水，杯子和水一共重多少克？答：________________________________________________________________________________________________________________________________2.一个罐子重150克，罐子里装500克蜂蜜，蜂蜜连罐一共重多少克？答：________________________________________________________________________________________________________________________________3.水杯装水后总重450克，空水杯重120克，杯里的水重多少克？答：________________________________________________________________________________________________________________________________4.礼盒重200克，里面装800克糕点，礼盒加糕点总重多少克？合多少千克？答：________________________________________________________________________________________________________________________________5.一个收纳盒重180克，装入7包每包40克的便签纸，总重量多少克？答：________________________________________________________________________________________________________________________________6.玻璃瓶重80克，装满果汁后总重680克，果汁重多少克？答：________________________________________________________________________________________________________________________________7.书包重900克，装入2本各重300克的课本，书包总重多少克？答：________________________________________________________________________________________________________________________________8.铁盒重110克，装入300克巧克力，吃掉150克巧克力，现在总重多少克？答：________________________________________________________________________________________________________________________________9.空油桶重500克，装满油后重4500克，桶里的油重多少克？合多少千克？答：________________________________________________________________________________________________________________________________10.饭盒重130克，装入250克米饭和120克青菜，饭盒总重多少克？答：________________________________________________________________________________________________________________________________第13天多步运算·连续加减称重应用题（10题）核心考点：掌握三步及以上连续运算，解决多次取用、多次增减重量的复杂问题1.有1000克糖果，第一次吃掉200克，第二次吃掉300克，还剩多少克糖果？答：________________________________________________________________________________________________________________________________2.2千克西瓜，第一次吃掉800克，第二次吃掉700克，还剩多少克西瓜？答：________________________________________________________________________________________________________________________________3.超市运来1500克草莓、800克蓝莓、700克芒果，三种水果一共重多少克？答：________________________________________________________________________________________________________________________________4.3000克大米，做饭用掉900克，煮粥用掉600克，还剩多少克大米？答：________________________________________________________________________________________________________________________________5.有800克饼干，吃掉150克，又买来200克，现在有多少克饼干？答：________________________________________________________________________________________________________________________________6.4千克土豆，第一次卖出1200克，第二次卖出1800克，还剩多少克？答：________________________________________________________________________________________________________________________________7.桌上有250克葡萄、350克提子、400克橙子，水果总重多少克？答：________________________________________________________________________________________________________________________________8.1200克酸奶，喝掉400克，又倒入200克牛奶，现在总重多少克？答：________________________________________________________________________________________________________________________________9.5千克面粉，做包子用掉1500克，做面条用掉1000克，还剩多少克？答：________________________________________________________________________________________________________________________________10.有600克坚果，送出220克，又买回来320克，现在有多少克坚果？答：________________________________________________________________________________________________________________________________第14天倍数进阶·多倍对比称重应用题（10题）核心考点：掌握重量倍数关系，解决几倍重量、几倍多/少的综合应用题1.一个梨重120克，一个苹果的重量是梨的2倍，苹果重多少克？答：________________________________________________________________________________________________________________________________2.一只小鸟重80克，一只鸽子的重量是小鸟的3倍，鸽子重多少克？答：________________________________________________________________________________________________________________________________3.一包小零食重90克，大包零食的重量是小包的4倍，大包重多少克？答：________________________________________________________________________________________________________________________________4.番茄重150克，南瓜的重量是番茄的5倍，南瓜重多少克？合多少千克？答：________________________________________________________________________________________________________________________________5.一支圆珠笔重16克，钢笔的重量是圆珠笔的2倍，钢笔重多少克？钢笔比圆珠笔重多少克？答：________________________________________________________________________________________________________________________________6.一块小蛋糕重70克，大蛋糕的重量是小蛋糕的6倍，大蛋糕重多少克？答：________________________________________________________________________________________________________________________________7.钥匙重20克，U盘的重量是钥匙的3倍，钥匙和U盘一共重多少克？答：________________________________________________________________________________________________________________________________8.蒜苗重110克，青菜的重量是蒜苗的4倍，青菜比蒜苗重多少克？答：________________________________________________________________________________________________________________________________9.小号水杯重50克，大号水杯重量是小号的5倍，大号水杯重多少克？大小水杯一共重多少克？答：________________________________________________________________________________________________________________________________10.一袋软糖重85克，硬糖重量是软糖的3倍，两种糖一共重多少克？答：________________________________________________________________________________________________________________________________第15天归一问题·单一量推导总重量应用题（10题）核心考点：三年级重点题型，先求单个重量，再求多份总重量，掌握归一解题思路1.3个同样的橙子重450克，1个橙子重多少克？8个这样的橙子重多少克？答：________________________________________________________________________________________________________________________________2.5块饼干重100克，1块饼干重多少克？20块饼干重多少克？答：________________________________________________________________________________________________________________________________3.4支钢笔重120克，1支钢笔重多少克？9支钢笔重多少克？答：________________________________________________________________________________________________________________________________4.6个鸡蛋重300克，1个鸡蛋重多少克？15个鸡蛋重多少克？答：________________________________________________________________________________________________________________________________5.7包纸巾重210克，1包纸巾重多少克？12包纸巾重多少克？答：________________________________________________________________________________________________________________________________6.8个乒乓球重40克，1个乒乓球重多少克？30个乒乓球重多少克？答：________________________________________________________________________________________________________________________________7.2袋芒果干重360克，1袋芒果干重多少克？5袋芒果干重多少克？答：________________________________________________________________________________________________________________________________8.9块巧克力重270克，1块巧克力重多少克？18块巧克力重多少克？答：________________________________________________________________________________________________________________________________9.4瓶小样乳液重320克，1瓶重多少克？10瓶重多少克？答：________________________________________________________________________________________________________________________________10.5个火龙果重750克，1个火龙果重多少克？7个火龙果重多少克？答：________________________________________________________________________________________________________________________________第16天归总问题·总重量反推单量应用题（10题）核心考点：三年级重难点，先求总重量，再根据份数求单个重量，衔接考试高频题型1.每袋150克的糖果，有6袋，总重量多少克？把这些糖果平均分成9份，每份多少克？答：________________________________________________________________________________________________________________________________2.每盒200克的酸奶，有5盒，总重多少克？平均分给10个小朋友，每人分多少克？答：________________________________________________________________________________________________________________________________3.每个120克的包子，8个包子总重多少克？平均分成4份，每份多少克？答：________________________________________________________________________________________________________________________________4.每包90克的薯片，7包总重多少克？吃掉一半，还剩多少克？答：________________________________________________________________________________________________________________________________5.每支18克的水彩笔，10支总重多少克？平均装在3个盒子里，每盒多少克？答：________________________________________________________________________________________________________________________________6.每颗25克的荔枝，12颗总重多少克？平均分成6份，每份多少克？答：________________________________________________________________________________________________________________________________7.每本35克的笔记本，8本总重多少克？送出140克，还剩多少克？答：________________________________________________________________________________________________________________________________8.每袋110克的瓜子，9袋总重多少克？平均分成11份，每份多少克？答：________________________________________________________________________________________________________________________________9.每个40克的果冻，15个总重多少克？吃掉400克，还剩多少克？答：________________________________________________________________________________________________________________________________10.每根30克的火腿肠，20根总重多少克？平均分成12份，每份多少克？答：_________________________________________________