2026秋三升四小学数学暑假专项提升训练20天（人民币小数应用题专项）

2026秋三升四小学数学暑假专项提升训练20天（人民币小数应用题专项）第1天小数基础读写与人民币单位换算应用题1.一支铅笔售价0.8元，请读出这个小数，并说一说0.8元等于几角。________________________________________________________________________________________________________________________________2.一本练习本售价1.5元，请问1.5元等于几元几角？________________________________________________________________________________________________________________________________3.一个橡皮售价5角，改写成以“元”为单位的小数是多少元？________________________________________________________________________________________________________________________________4.一支钢笔售价8元6角，改写成以“元”为单位的小数是多少元？________________________________________________________________________________________________________________________________5.0.3元、3元、0.03元三个金额，分别等于多少角、多少分？________________________________________________________________________________________________________________________________6.妈妈买纽扣花了9分，改写成以“元”为单位的小数是多少元？________________________________________________________________________________________________________________________________7.一个文具盒售价12.8元，读出这个小数，并换算成几元几角。________________________________________________________________________________________________________________________________8.7角2分改写成以“元”为单位的小数是多少元？________________________________________________________________________________________________________________________________9.小明有3.6元零花钱，是几元几角？换算成角一共是多少角？________________________________________________________________________________________________________________________________10.一本漫画书售价20.05元，读出这个小数，说一说包含几元几分。________________________________________________________________________________________________________________________________第2天小数金额大小比较应用题1.两支圆珠笔，A款售价1.2元，B款售价1.5元，哪一款圆珠笔更便宜？便宜多少元？________________________________________________________________________________________________________________________________2.两个笔记本，甲本3.8元，乙本3.5元，哪个笔记本价格更高？________________________________________________________________________________________________________________________________3.小明有5.6元，小红有5.9元，谁的零花钱更多？多多少角？________________________________________________________________________________________________________________________________4.超市两种矿泉水，瓶装2.3元，桶装2.8元，哪种水价格更低？________________________________________________________________________________________________________________________________5.尺子售价1.8元，圆规售价2.1元，哪个文具更贵？贵多少元？________________________________________________________________________________________________________________________________6.三种零食价格：薯片4.5元、饼干4.2元、糖果4.8元，请按从便宜到贵的顺序排列。________________________________________________________________________________________________________________________________7.书包售价35.5元，双肩包售价35.8元，哪个价格更高？________________________________________________________________________________________________________________________________8.小刚有10.2元，小丽有9.9元，谁的钱更多？多多少元？________________________________________________________________________________________________________________________________9.橡皮0.6元，卷笔刀0.9元，哪个文具价格便宜？便宜多少角？________________________________________________________________________________________________________________________________10.三种饮料价格：可乐3.2元、雪碧3.5元、橙汁3.0元，最贵的和最便宜的相差多少元？________________________________________________________________________________________________________________________________第3天一位小数简单加法应用题（人民币）1.买一块橡皮0.5元和一支铅笔0.3元，一共需要花多少元？________________________________________________________________________________________________________________________________2.一本作业本1.2元，一支圆珠笔1.3元，各买一件一共多少元？________________________________________________________________________________________________________________________________3.早餐买包子2.5元、豆浆1.0元，早餐一共花费多少元？________________________________________________________________________________________________________________________________4.尺子1.8元，贴纸0.7元，买这两样文具一共需要多少钱？________________________________________________________________________________________________________________________________5.苹果每斤5.5元，橘子每斤3.4元，各买一斤一共多少元？________________________________________________________________________________________________________________________________6.笔记本2.6元，中性笔1.9元，购买一套需要多少元？________________________________________________________________________________________________________________________________7.矿泉水1.5元，面包3.3元，买一瓶水和一个面包一共多少钱？________________________________________________________________________________________________________________________________8.贺卡2.8元，信封0.6元，各买一个一共花费多少元？________________________________________________________________________________________________________________________________9.羽毛球4.1元，乒乓球拍5.8元，买这两样体育用品一共多少元？________________________________________________________________________________________________________________________________10.毛巾6.5元，牙刷2.4元，买一套洗漱用品一共多少钱？________________________________________________________________________________________________________________________________第4天一位小数简单减法应用题（人民币）1.一支钢笔5.8元，一支圆珠笔3.5元，钢笔比圆珠笔贵多少元？________________________________________________________________________________________________________________________________2.一个书包45.9元，一个文具盒12.6元，文具盒比书包便宜多少元？________________________________________________________________________________________________________________________________3.小明有8.5元，买零食花了4.2元，还剩下多少元？________________________________________________________________________________________________________________________________4.一瓶饮料3.6元，一瓶矿泉水1.2元，饮料比矿泉水贵多少元？________________________________________________________________________________________________________________________________5.一本故事书18.8元，一本童话书15.5元，童话书比故事书便宜多少元？________________________________________________________________________________________________________________________________6.小红有10.0元，买尺子花了1.8元，还剩多少钱？________________________________________________________________________________________________________________________________7.篮球68.9元，足球65.3元，足球比篮球便宜多少元？________________________________________________________________________________________________________________________________8.一块香皂5.7元，一块肥皂4.5元，肥皂比香皂便宜多少元？________________________________________________________________________________________________________________________________9.小刚有7.3元，买铅笔花了0.8元，剩余多少元？________________________________________________________________________________________________________________________________10.一盒彩笔22.6元，一盒蜡笔19.8元，蜡笔比彩笔便宜多少元？________________________________________________________________________________________________________________________________第5天小数加减基础混合应用题（无进退位）1.买橡皮0.4元、铅笔0.5元、尺子1.1元，三样文具一共多少元？________________________________________________________________________________________________________________________________2.小明有9.8元，买本子花2.3元，买贴纸花1.2元，还剩多少元？________________________________________________________________________________________________________________________________3.早餐牛奶2.2元、面包3.1元，付10元，应找回多少元？________________________________________________________________________________________________________________________________4.苹果4.3元，香蕉3.2元，橘子2.1元，三种水果各买一斤一共多少元？________________________________________________________________________________________________________________________________5.文具盒15.5元，笔记本3.3元，中性笔1.1元，全套购买一共多少钱？________________________________________________________________________________________________________________________________6.小红有12.9元，买文具花5.2元，妈妈又给她3.0元，现在小红有多少元？________________________________________________________________________________________________________________________________7.跳绳8.6元，毽子2.1元，沙包1.2元，买这三样体育用品一共多少元？________________________________________________________________________________________________________________________________8.一瓶洗发水28.8元，一瓶沐浴露21.1元，沐浴露比洗发水便宜多少元？两样一共多少元？________________________________________________________________________________________________________________________________9.小刚有15.6元，买零食花6.5元，买文具花2.1元，还剩多少元？________________________________________________________________________________________________________________________________10.书签1.3元、笔筒8.2元、胶带2.4元，全部购买一共需要多少元？________________________________________________________________________________________________________________________________第6天小数加法进位应用题（人民币重点）1.笔记本2.8元，钢笔6.5元，各买一件一共需要多少元？________________________________________________________________________________________________________________________________2.面包4.6元，酸奶3.7元，买一份早餐一共花费多少元？________________________________________________________________________________________________________________________________3.尺子1.9元，圆规2.3元，两样文具一共多少元？________________________________________________________________________________________________________________________________4.苹果6.8元一斤，葡萄5.9元一斤，各买一斤一共多少钱？________________________________________________________________________________________________________________________________5.书包36.7元，笔袋13.8元，买一套书包笔袋一共多少元？________________________________________________________________________________________________________________________________6.彩笔18.5元，油画棒19.6元，两样绘画工具一共多少钱？________________________________________________________________________________________________________________________________7.毛巾7.6元，拖鞋12.9元，购买这两样生活用品一共多少元？________________________________________________________________________________________________________________________________8.羽毛球3.8元，乒乓球4.5元，两种球各买一个一共多少钱？________________________________________________________________________________________________________________________________9.故事书24.7元，科普书25.8元，两本书一共多少元？________________________________________________________________________________________________________________________________10.水杯15.9元，水壶28.4元，买这两样器具一共多少钱？________________________________________________________________________________________________________________________________第7天小数减法退位应用题（人民币重点）1.小红有10.0元，买一支钢笔7.6元，应找回多少元？________________________________________________________________________________________________________________________________2.一个玩具车25.3元，小明有30.0元，买完还剩多少元？________________________________________________________________________________________________________________________________3.书包42.1元，拉杆箱50.0元，书包比拉杆箱便宜多少元？________________________________________________________________________________________________________________________________4.一盒巧克力18.5元，一盒糖果9.8元，糖果比巧克力便宜多少元？________________________________________________________________________________________________________________________________5.小刚有20.0元，买绘本花了12.7元，剩余多少钱？________________________________________________________________________________________________________________________________6.运动鞋89.2元，帆布鞋75.8元，帆布鞋比运动鞋便宜多少元？________________________________________________________________________________________________________________________________7.一盏台灯38.6元，小夜灯19.9元，小夜灯比台灯便宜多少元？________________________________________________________________________________________________________________________________8.一瓶果酱12.5元，一瓶沙拉酱8.7元，沙拉酱比果酱便宜多少元？________________________________________________________________________________________________________________________________9.小丽有15.0元，买文具套装花了13.4元，还剩多少元？________________________________________________________________________________________________________________________________10.电风扇56.8元，手持风扇29.9元，手持风扇比电风扇便宜多少元？________________________________________________________________________________________________________________________________第8天小数加减进退位综合应用题（基础）1.买钢笔8.5元、笔记本3.8元，付20元，应找回多少元？________________________________________________________________________________________________________________________________2.小明有12.6元，妈妈给了5.8元，买玩具花了10.9元，现在小明有多少元？________________________________________________________________________________________________________________________________3.面包5.9元，牛奶3.6元，两样早餐一共多少元？面包比牛奶贵多少元？________________________________________________________________________________________________________________________________4.文具盒16.8元，尺子2.9元，橡皮0.8元，三样文具一共多少元？________________________________________________________________________________________________________________________________5.小红有20.0元，买故事书14.5元，买书签1.6元，还剩多少元？________________________________________________________________________________________________________________________________6.跳绳9.8元，毽子3.5元，买两根跳绳和一个毽子一共多少元？________________________________________________________________________________________________________________________________7.苹果7.9元，香蕉4.8元，橘子3.3元，三种水果各买一斤一共多少元？________________________________________________________________________________________________________________________________8.书包49.5元，笔袋12.8元，付70元购买这两样，应找回多少元？________________________________________________________________________________________________________________________________9.小刚原有8.7元，花掉4.9元，又收到压岁钱6.5元，现在有多少元？________________________________________________________________________________________________________________________________10.彩笔21.9元，蜡笔17.6元，马克笔25.8元，彩笔和蜡笔的总价比马克笔贵多少元？________________________________________________________________________________________________________________________________第9天购物凑单与金额够不够应用题1.一支钢笔6.8元，一个笔记本2.5元，小明有10元，够买这两样物品吗？________________________________________________________________________________________________________________________________2.面包4.9元，酸奶3.8元，小红有8元，够买一份早餐吗？________________________________________________________________________________________________________________________________3.文具盒15.6元，尺子1.9元，橡皮0.7元，20元够买全套文具吗？________________________________________________________________________________________________________________________________4.玩具车28.9元，玩具熊21.5元，50元够买这两个玩具吗？________________________________________________________________________________________________________________________________5.苹果6.5元一斤，买两斤，12元够吗？不够还差多少元？________________________________________________________________________________________________________________________________6.跳绳8.8元，毽子3.6元，球拍19.9元，30元够买这三样体育用品吗？________________________________________________________________________________________________________________________________7.故事书16.8元，童话书13.5元，30元够买两本书吗？够的话多多少元？________________________________________________________________________________________________________________________________8.水杯12.9元，牙刷3.5元，毛巾6.8元，25元够买洗漱套装吗？________________________________________________________________________________________________________________________________9.薯片5.9元，饼干4.8元，糖果3.2元，15元够买这三种零食吗？________________________________________________________________________________________________________________________________10.书包39.9元，笔袋9.8元，50元够买一套书包文具吗？________________________________________________________________________________________________________________________________第10天半月综合复盘（基础题型全覆盖）1.把6角、8分、1元2角、9角5分改写成以元为单位的小数。________________________________________________________________________________________________________________________________2.比较大小：2.8元〇2.5元、10.1元〇9.9元、3.05元〇3.50元________________________________________________________________________________________________________________________________3.买中性笔1.8元和便利贴2.3元，一共需要多少元？________________________________________________________________________________________________________________________________4.一个闹钟25.8元，一个笔筒18.9元，闹钟比笔筒贵多少元？________________________________________________________________________________________________________________________________5.小明有15元，买笔记本4.6元、尺子2.8元，还剩多少元？________________________________________________________________________________________________________________________________6.牛奶2.9元、面包5.8元、鸡蛋1.5元，早餐三样一共多少元？________________________________________________________________________________________________________________________________7.玩具飞机36.9元，小明有40元，购买后还剩多少元？________________________________________________________________________________________________________________________________8.书包45.5元，文具盒12.6元，60元够买这两样吗？够的话找回多少元？________________________________________________________________________________________________________________________________9.小红原有9.3元，收到红包8.5元，买文具花10.8元，现在有多少元？________________________________________________________________________________________________________________________________10.彩笔19.8元，油画棒22.5元，两样文具总价是多少？油画棒比彩笔贵多少元？________________________________________________________________________________________________________________________________第11天两步小数应用题（先加后减）1.买铅笔0.9元和橡皮0.8元，付5元，应找回多少元？________________________________________________________________________________________________________________________________2.故事书12.5元，绘本8.6元，小红付25元，需要找回多少元？________________________________________________________________________________________________________________________________3.苹果5.8元，橙子4.7元，妈妈付20元，买完水果还剩多少元？________________________________________________________________________________________________________________________________4.文具盒13.9元，中性笔2.6元，贴纸1.5元，付20元应找回多少元？________________________________________________________________________________________________________________________________5.跳绳7.8元，毽子2.9元，羽毛球4.3元，付15元购买，找回多少元？________________________________________________________________________________________________________________________________6.面包3.9元，酸奶2.8元，香肠1.6元，付10元买早餐，剩余多少元？________________________________________________________________________________________________________________________________7.台灯29.8元，小台灯16.5元，付50元购买两个台灯，找回多少元？________________________________________________________________________________________________________________________________8.毛巾6.9元，牙刷2.8元，香皂4.5元，付15元购买，应找回多少元？________________________________________________________________________________________________________________________________9.玩具车22.6元，拼图18.9元，付50元买两个玩具，剩余多少元？________________________________________________________________________________________________________________________________10.笔记本2.5元、钢笔7.8元、尺子1.6元，付15元买全套文具，找回多少元？________________________________________________________________________________________________________________________________第12天两步小数应用题（先减后加）1.小明有18.6元，买文具花了7.9元，爸爸又给了他6.8元，现在小明有多少元？________________________________________________________________________________________________________________________________2.小红有25.8元，买零食花了9.5元，妈妈奖励她8.2元，现在小红有多少钱？________________________________________________________________________________________________________________________________3.小刚有12.3元，买绘本花了5.6元，压岁钱收到4.9元，现有多少元？________________________________________________________________________________________________________________________________4.小丽有30.5元，买玩具花了16.8元，姐姐转给她7.7元，现在有多少元？________________________________________________________________________________________________________________________________5.小明原有9.8元，买水花了3.9元，捡了2.5元，现在他有多少钱？________________________________________________________________________________________________________________________________6.小红有15.2元，买笔袋花了8.7元，老师奖励3.8元，现有多少零花钱？________________________________________________________________________________________________________________________________7.小刚有22.9元，买篮球配件花了10.3元，家长补发6.4元，现在有多少元？________________________________________________________________________________________________________________________________8.小丽有11.7元，买贴纸花了4.8元，收到红包5.5元，现有多少钱？________________________________________________________________________________________________________________________________9.小明有28.4元，买课外书花了15.9元，同学归还欠款3.6元，现在有多少元？________________________________________________________________________________________________________________________________10.小红有14.5元，买早餐花了6.8元，妈妈又给了4.7元，现有多少元？________________________________________________________________________________________________________________________________第13天多物品组合购物应用题1.文具单价：铅笔0.7元、橡皮0.9元、笔记本2.8元。买2支铅笔、1块橡皮、1本笔记本，一共多少元？________________________________________________________________________________________________________________________________2.零食单价：薯片4.5元、饼干3.8元、糖果2.2元。买1包薯片、2包糖果，一共花费多少元？________________________________________________________________________________________________________________________________3.水果单价：苹果6.2元/斤、香蕉3.9元/斤、橙子5.1元/斤。买2斤香蕉、1斤苹果，一共多少元？________________________________________________________________________________________________________________________________4.体育用品：跳绳8.5元、毽子3.2元、球拍18.9元。买1副球拍、2个毽子，总价多少元？________________________________________________________________________________________________________________________________5.生活用品：毛巾7.3元、牙刷2.9元、香皂5.6元。买2条毛巾、1块香皂，一共多少钱？________________________________________________________________________________________________________________________________6.书籍单价：故事书13.8元、童话书11.5元、漫画书9.9元。买2本漫画书、1本故事书，总价多少？________________________________________________________________________________________________________________________________7.饮品单价：可乐3.5元、雪碧3.2元、果汁4.8元。买2瓶雪碧、1瓶果汁，一共花费多少元？________________________________________________________________________________________________________________________________8.玩具单价：积木29.8元、小车15.5元、玩偶12.6元。买2个小车、1个玩偶，总价多少元？________________________________________________________________________________________________________________________________9.学习用品：彩笔18.6元、蜡笔14.3元、马克笔22.9元。买2盒蜡笔、1盒彩笔，一共多少钱？________________________________________________________________________________________________________________________________10.早餐食材：面包4.2元、牛奶2.8元、鸡蛋1.3元。买2个面包、2盒牛奶，一共多少元？________________________________________________________________________________________________________________________________第14天价格差价与最值问题应用题1.三种文具价格：钢笔9.8元、中性笔2.5元、铅笔0.8元，最贵的比最便宜的贵多少元？________________________________________________________________________________________________________________________________2.三种水果价格：芒果8.9元、荔枝7.6元、西瓜3.2元，最贵和最便宜的差价是多少元？________________________________________________________________________________________________________________________________3.玩具价格：遥控车39.9元、拼图25.8元、积木19.6元，最便宜的两种玩具总价多少元？________________________________________________________________________________________________________________________________4.书籍价格：教辅书22.5元、课外书16.8元、绘本10.9元，最贵的两种书总价多少元？________________________________________________________________________________________________________________________________5.饮品价格：奶茶5.9元、果汁4.6元、矿泉水1.5元，买最贵和最便宜的饮品各一杯，一共多少元？________________________________________________________________________________________________________________________________6.生活用品：拖鞋15.8元、袜子3.9元、帽子8.5元，最贵的比另外两件的总价贵多少元？________________________________________________________________________________________________________________________________7.体育用品：篮球69.9元、足球58.5元、羽毛球拍32.8元，最便宜的比最贵的便宜多少元？________________________________________________________________________________________________________________________________8.零食价格：巧克力12.8元、牛肉干9.5元、薯片4.9元，最贵的零食比另外两种总价贵多少元？________________________________________________________________________________________________________________________________9.洗漱用品：洗发水29.8元、沐浴露26.5元、牙膏8.9元，最便宜的两件总价多少元？________________________________________________________________________________________________________________________________10.文具套装：高端套装35.9元、普通套装22.6元、简易套装10.8元，最贵套装和最便宜套装差价多少元？________________________________________________________________________________________________________________________________第15天小数购物找回金额进阶应用题1.买7.8元的钢笔和4.9元的笔记本，付20元，应找回多少元？________________________________________________________________________________________________________________________________2.购买12.5元的绘本、8.9元的贴纸、3.6元的尺子，付30元，找回多少元？________________________________________________________________________________________________________________________________3.买两斤单价6.8元的苹果，付15元，应找回多少元？________________________________________________________________________________________________________________________________4.买3支单价1.9元的中性笔，付10元，剩余找回多少元？________________________________________________________________________________________________________________________________5.玩具车28.8元，玩具熊19.9元，付50元购买，应找回多少元？________________________________________________________________________________________________________________________________6.早餐买2个4.5元的面包、1盒3.8元的牛奶，付15元，找回多少元？________________________________________________________________________________________________________________________________7.买18.6元的彩笔、14.8元的蜡笔，付40元，应找回多少元？________________________________________________________________________________________________________________________________8.买4个单价2.8元的毽子，付15元，找回多少元？________________________________________________________________________________________________________________________________9.书包42.9元，笔袋11.8元，尺子2.5元，付60元购买全套，找回多少元？________________________________________________________________________________________________________________________________10.买2包5.9元的薯片、1包4.8元的饼干，付20元，应找回多少元？________________________________________________________________________________________________________________________________第16天小数金额比较与方案选择应用题1.同款笔记本，甲店售价3.8元，乙店售价3.5元，买5本的话，在乙店买比甲店便宜多少元？________________________________________________________________________________________________________________________________2.同款钢笔，A超市8.9元，B超市9.2元，买2支选哪个超市划算？便宜多少元？________________________________________________________________________________________________________________________________3.同款牛奶，单盒2.9元，整箱6盒16.8元，买6盒，整箱买比单买便宜多少元？________________________________________________________________________________________________________________________________4.同款跳绳，实体店7.8元，网店6.5元，买3根跳绳，网店比实体店省多少元？________________________________________________________________________________________________________________________________5.同款绘本，书店15.6元，文具店14.9元，买2本，哪里买更划算？省多少钱？________________________________________________________________________________________________________________________________6.同款矿泉水，单瓶1.8元，一提8瓶12元，买8瓶，整提买比单买便宜多少元？________________________________________________________________________________________________________________________________7.同款橡皮，散装0.9元一块，5块套装4.2元，买5块橡皮，套装比散装便宜多少元？________________________________________________________________________________________________________________________________8.同款牙刷，单支3.5元，3支套装9.8元，买3支选套装还是单买？便宜多少元？________________________________________________________________________________________________________________________________9.同款橘子，菜市场4.6元一斤，超市4.9元一斤，买4斤，菜市场比超市省多少元？________________________________________________________________________________________________________________________________10.同款贴纸，单张1.2元，10张套装10元，买10张，套装比单买便宜多少元？________________________________________________________________________________________________________________________________第17天小数生活实际场景综合应用题1.小明一周零花钱20.0元，周一花3.8元，周二花2.9元，还剩多少零花钱？________________________________________________________________________________________________________________________________2.妈妈买菜，青菜4.5元、肉28.8元、豆腐3.2元，一共花了多少元？________________________________________________________________________________________________