2026秋小学数学四升五暑假专项提升训练19天(价格购物问题)
展开 这是一份2026秋小学数学四升五暑假专项提升训练19天(价格购物问题),共5页。
训练重点:熟练掌握单一商品单价、数量、总价三者基础关系,无混合运算,夯实基础公式,规范解题步骤
1. 一个笔记本单价8元,班级采购35本作为奖品,一共需要花费多少元?
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2. 一支中性笔单价3元,小明带了96元,最多可以购买多少支中性笔?
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3. 超市中1箱牛奶售价48元,包含12盒牛奶,每盒牛奶的单价是多少元?
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4. 跳绳单价12元一根,学校体育组购买42根跳绳,一共需要支付多少钱?
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5. 文具店售卖橡皮,20块橡皮一共售价60元,一块橡皮单价多少元?
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6. 书包单价56元一个,妈妈买4个书包送给留守儿童,总共需要花多少钱?
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7. 一本故事书单价15元,小红带135元,能买多少本这样的故事书?
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8. 1盒彩笔24元,美术老师采购28盒彩笔,一共需要花费多少元?
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9. 超市10袋饼干售价30元,一袋饼干的单价是多少元?
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10. 钢笔单价18元一支,购买36支钢笔,总共需要支付多少元?
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第2天 专项训练:单一商品购买进阶应用题(10题)
训练重点:结合生活场景,考查有余数的购物问题、限额购买问题,深化三者关系运用
1. 文具盒单价14元一个,小明带100元,最多能买几个文具盒?还剩多少钱?
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2. 矿泉水单价2元一瓶,超市整箱售卖,一箱24瓶,买5箱矿泉水需要多少钱?
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3. 玩具车单价29元一辆,爸爸带200元,最多可以买几辆玩具车?剩余多少钱?
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4. 练习本单价2元一本,全班45名同学每人购买6本,一共需要花费多少元?
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5. 36个文件夹一共售价144元,一个文件夹的单价是多少元?购买50个需要多少钱?
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6. 羽毛球单价5元一个,体育老师带300元,买45个羽毛球后,还剩多少钱?
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7. 保温杯单价32元一个,公司采购65个保温杯作为礼品,一共需要花费多少元?
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8. 7本漫画书售价84元,一本漫画书多少元?买12本需要多少钱?
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9. 尺子单价4元一把,学校采购80把尺子,付给收银员400元,需要找回多少钱?
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10. 书包单价45元一个,带500元最多能买几个书包?剩余多少元?
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第3天 专项训练:两种商品混合采购(乘加基础)10题
训练重点:掌握乘加混合运算购物问题,分别计算两种商品总价再求和,规范综合算式解题
1. 铅笔2元一支,买30支;笔记本5元一本,买20本。一共需要花费多少元?
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2. 苹果8元一斤,买15斤;橘子6元一斤,买18斤。购买两种水果一共需要多少钱?
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3. 跳绳12元一根,买10根;毽子3元一个,买25个。总共需要支付多少元?
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4. 故事书16元一本,买12本;童话书14元一本,买15本。购书一共花费多少元?
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5. 钢笔18元一支,买8支;橡皮2元一块,买30块。一共需要花多少钱?
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6. 牛奶4元一盒,买24盒;面包3元一个,买36个。购买早餐一共花费多少元?
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7. 羽毛球5元一个,买40个;乒乓球2元一个,买50个。总共需要多少钱?
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8. 文件夹4元一个,买45个;便利贴1元一本,买80本。采购办公用品一共花费多少元?
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9. 玩具汽车25元一辆,买6辆;玩具娃娃18元一个,买9个。买玩具一共花多少钱?
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10. 毛巾15元一条,买20条;牙刷8元一支,买35支。生活用品采购一共花费多少元?
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第4天 专项训练:两种商品混合采购(乘加进阶)10题
训练重点:复杂生活场景乘加问题,数值更大、情境更贴合实际,提升混合运算准确率
1. 学校采购运动器材,篮球68元一个,买15个;排球55元一个,买12个。一共需要花费多少元?
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2. 超市采购零食,薯片9元一包,买48包;饼干7元一包,买56包。总共采购成本多少元?
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3. 购买文具礼盒,精装钢笔26元一支,买24支;精装笔记本18元一本,买32本。一共花费多少元?
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4. 水果店进货,葡萄12元一斤,买35斤;芒果15元一斤,买28斤。进货总费用多少元?
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5. 班级采购奖品,书签3元一个,买60个;荣誉证书8元一本,买42本。一共需要多少钱?
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6. 购买家居用品,拖鞋16元一双,买38双;抱枕22元一个,买25个。总花费多少元?
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7. 书店购书,科普书28元一本,买18本;作文书22元一本,买24本。一共需要支付多少元?
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8. 体育用品采购,足球75元一个,买10个;跳绳14元一根,买55根。总费用多少元?
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9. 早餐店采购食材,鸡蛋0.8元一个,买100个;面粉5元一袋,买16袋。一共花费多少元?
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10. 手工材料采购,彩纸2元一张,买120张;胶水6元一瓶,买45瓶。总花费多少元?
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第5天 专项训练:满减、找零基础应用题(乘减基础)10题
训练重点:掌握支付找零、简单差价计算,基础乘减运算,理解付款与消费的数量关系
1. 买8支钢笔,每支18元,付给收银员200元,需要找回多少钱?
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2. 购买15本笔记本,每本5元,支付100元,找回多少元?
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3. 一个书包56元,一个文具盒14元,书包比文具盒贵多少元?(差价问题)
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4. 买24盒牛奶,每盒4元,付款100元,应找回多少钱?
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5. 10根跳绳,每根12元,支付150元,找回多少元?
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6. 玩具车29元,玩具飞机45元,两者差价是多少元?
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7. 购买30块橡皮,每块2元,付70元,应找回多少钱?
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8. 一箱橙子48元,一箱苹果56元,苹果比橙子贵多少元?
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9. 买18本故事书,每本15元,付款300元,找回多少元?
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10. 25个毽子,每个3元,付100元,应找回多少钱?
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第6天 专项训练:满减优惠专项应用题(乘减进阶)10题
训练重点:掌握超市满减规则,计算优惠后价格、实际花费、节省金额,理解优惠购物逻辑
1. 超市满100元减20元,妈妈购买商品总价128元,实际需要支付多少元?节省了多少元?
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2. 文具店满80元减15元,买12支钢笔,每支18元,实际付款多少元?
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3. 商场满200元减30元,购买4个书包,每个56元,优惠后实际花费多少元?
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4. 零食店满50元减8元,买6包薯片,每包9元,实际需要支付多少钱?
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5. 书店满150元减25元,采购10本科普书,每本28元,优惠后花费多少元?
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6. 超市满300元减50元,购买15箱牛奶,每箱48元,实际付款多少元?
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7. 文具店满60元减10元,买20本笔记本,每本5元,能享受优惠吗?实际花多少钱?
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8. 服装店满180元减20元,买3件短袖,每件65元,优惠后节省多少元?实际花费多少元?
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9. 水果店满100元减12元,买12斤葡萄,每斤12元,实际支付多少元?
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10. 体育用品店满250元减40元,买8个篮球,每个68元,优惠后实际花费多少元?
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第7天 专项训练:套餐、组合购买基础应用题10题
训练重点:认识购物套餐、组合套装,对比单品购买与套餐购买的价格差异,掌握套餐总价计算
1. 文具套餐包含3支钢笔和5本笔记本,一套售价45元,购买8套文具套餐一共需要多少钱?
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2. 早餐套餐:2个面包+1盒牛奶,每套12元,买15套早餐套餐需要花费多少元?
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3. 运动套餐包含1根跳绳+2个毽子,一套售价18元,购买20套需要多少钱?
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4. 图书套餐:3本童话书+2本故事书,每套60元,买12套图书套餐一共花费多少元?
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5. 洗护套餐包含1条毛巾+1支牙刷,每套22元,采购30套洗护套餐需要多少钱?
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6. 玩具套餐:1辆玩具车+1个玩具娃娃,每套40元,买9套玩具套餐需要花费多少元?
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7. 手工套餐包含彩纸、胶水、剪刀一套,每套28元,购买16套手工套餐一共多少钱?
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8. 学习套餐:1个文具盒+10支铅笔,每套25元,班级采购40套需要花费多少元?
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9. 水果套餐包含苹果、橘子各3斤,每套42元,买18套水果套餐需要多少钱?
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10. 体育礼包套餐包含篮球、羽毛球各1个,每套95元,买7套礼包一共花费多少元?
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第8天 专项训练:套餐组合对比优惠应用题10题
训练重点:对比单品单独购买与套餐购买的价格,计算套餐优惠差价,学会选择最优购物方案
1. 单独买1支钢笔18元、1本笔记本5元;套餐(1钢笔+1笔记本)20元。买10套套餐比单独买节省多少元?
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2. 单独买面包3元一个、牛奶4元一盒;早餐套餐(2面包+1牛奶)9元。买8套套餐比单独买便宜多少元?
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3. 单独跳绳12元、毽子3元;运动套餐(1跳绳+2毽子)16元。购买15套套餐,节省多少钱?
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4. 单独童话书14元、故事书16元;图书套餐(2童话+2故事)50元。买6套套餐比单独买省多少元?
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5. 单独毛巾15元、牙刷8元;洗护套餐(1毛巾+1牙刷)20元。采购25套套餐,节省多少元?
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6. 单独玩具车25元、玩具娃娃18元;玩具套餐(1车1娃娃)40元。买12套套餐节省多少钱?
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7. 单独彩纸2元、胶水6元、剪刀10元;手工套餐一套28元。买20套套餐比单独买省多少元?
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8. 单独文具盒14元、铅笔2元一支;学习套餐(1文具盒+10铅笔)22元。买30套节省多少钱?
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9. 单独苹果7元、橘子6元;水果套餐(各3斤)35元。买10套套餐比单独买省多少元?
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10. 单独篮球68元、羽毛球25元;体育套餐一套85元。买8套套餐节省多少钱?
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第9天 专项训练:四大题型混合基础训练10题
训练重点:混合巩固单一购买、乘加混合、找零、套餐基础题型,提升题型辨别能力
1. 尺子单价4元,购买45把尺子,一共需要花费多少元?
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2. 苹果9元一斤买12斤,香蕉5元一斤买18斤,两种水果一共花多少钱?
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3. 买20支中性笔,每支3元,付100元,应找回多少元?
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4. 文具套餐每套36元,包含钢笔和笔记本,购买14套套餐需要多少钱?
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5. 书包单价58元,带400元最多能买几个书包?剩余多少元?
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6. 足球72元一个买8个,排球58元一个买6个,一共需要花费多少元?
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7. 超市满90元减15元,购买商品总价108元,实际支付多少元?
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8. 早餐套餐每套13元,购买22套,一共需要花费多少元?
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9. 科普书24元一本,买15本,付400元,找回多少元?
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10. 橡皮2元一块买50块,便利贴1元一本买90本,办公用品一共花费多少元?
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第10天 专项训练:四大题型混合进阶训练10题
训练重点:中等难度综合题型,融合多种解题思路,提升运算熟练度与审题能力
1. 一箱酸奶55元,超市购进32箱,一共需要花费多少元?
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2. 精装笔记本22元一本买16本,彩色笔18元一盒买24盒,总花费多少元?
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3. 买18个保温杯,每个32元,超市满500元减60元,实际需要支付多少元?
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4. 运动套餐每套48元,包含球拍和球,购买19套套餐,一共花费多少元?
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5. 玩具飞机38元一架,带300元最多能买几架?剩余多少钱?
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6. 牛肉45元一斤买8斤,猪肉32元一斤买12斤,采购肉类一共花费多少元?
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7. 单独买球拍35元、乒乓球15元,套餐一套42元,买12套套餐能节省多少元?
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8. 买26本作文书,每本19元,付款500元,应找回多少元?
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9. 书店满200元减35元,购买12套图书,每套22元,实际花费多少元?
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10. 手工材料包每套32元,购买25套,一共需要支付多少元?
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第11天 专项训练:单一商品难题专项(含最值、限额)10题
训练重点:单一商品复杂应用题,侧重最多最少购买、剩余资金利用、单价反向计算难点题型
1. 绿植盆栽27元一盆,花店带800元,最多可以采购多少盆盆栽?剩余多少元?
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2. 45个收纳盒总价945元,一个收纳盒单价多少元?采购68个需要花费多少元?
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3. 雨伞单价36元一把,学校采购54把雨伞作为运动会奖品,一共需要花费多少元?
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4. 台灯单价42元一盏,带600元购买14盏台灯,钱够吗?多多少或少多少?
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5. 6箱洗衣液售价288元,一箱洗衣液多少元?购买35箱需要多少钱?
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6. 保温杯38元一个,公司采购72个,一共需要支付多少元?
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7. 笔记本礼盒45元一盒,带500元最多能买几盒?剩余多少钱?
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8. 18支高端钢笔售价576元,一支钢笔单价多少元?买24支需要多少钱?
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9. 遮阳帽19元一顶,购买63顶遮阳帽,一共需要花费多少元?
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10. 书包礼盒68元一个,带900元购买13个,钱够吗?差额多少?
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第12天 专项训练:两种商品乘加综合难题10题
训练重点:大数值、多数量乘加混合运算,结合生活批量采购场景,提升混合运算准确率
1. 采购办公用品,文件夹6元一个买85个,订书机15元一个买32个,总花费多少元?
答:________________________________________________________________
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2. 水果店进货,榴莲28元一斤买26斤,车厘子35元一斤买18斤,进货总费用多少元?
答:________________________________________________________________
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3. 学校采购演出服装,上衣48元一件买36件,裤子32元一条买36条,一共花费多少元?
答:________________________________________________________________
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4. 购买零食大礼包食材,坚果22元一包买42包,糖果13元一包买58包,总花费多少元?
答:________________________________________________________________
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5. 体育器材采购,羽毛球拍45元一副买28副,乒乓球拍38元一副买35副,一共多少钱?
答:________________________________________________________________
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6. 书店采购教辅资料,数学练习册18元一本买65本,语文练习册17元一本买70本,总费用多少元?
答:________________________________________________________________
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7. 家居采购,地毯29元一块买24块,抱枕16元一个买48个,一共花费多少元?
答:________________________________________________________________
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8. 生鲜采购,大虾36元一斤买15斤,鲈鱼28元一斤买22斤,总花费多少元?
答:________________________________________________________________
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9. 文具批发,荧光笔8元一盒买72盒,便利贴3元一本买120本,一共需要多少钱?
答:________________________________________________________________
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10. 礼品采购,礼盒75元一个买16个,贺卡4元一张买80张,总花费多少元?
答:________________________________________________________________
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第13天 专项训练:满减+找零+差价综合应用题10题
训练重点:融合满减优惠、差价对比、付款找零三重考点,综合运用乘减混合运算
1. 买12套文具,每套35元,超市满400元减50元,付款400元,应找回多少元?
答:________________________________________________________________
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2. 篮球78元一个,足球65元一个,各买8个,两种商品总差价是多少元?
答:________________________________________________________________
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3. 购买24盒彩笔,每盒22元,书店满500元减80元,实际花费多少元?付500元找回多少?
答:________________________________________________________________
________________________________________________________________
4. 羽绒服198元一件,冲锋衣156元一件,各买3件,总差价多少元?
答:________________________________________________________________
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5. 采购30本故事书,每本16元,文具店满450元减60元,实际支付多少元?
答:________________________________________________________________
________________________________________________________________
6. 电动车头盔45元一个,骑行护具28元一套,各买12套,差价总额多少元?
答:________________________________________________________________
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7. 买18箱牛奶,每箱52元,超市满900元减100元,付款900元,找回多少元?
答:________________________________________________________________
________________________________________________________________
8. 实木书架125元一个,简易书架88元一个,各买4个,总差价多少元?
答:________________________________________________________________
________________________________________________________________
9. 购买45块香皂,每块5元,超市满200元减30元,实际花费多少元?
答:________________________________________________________________
________________________________________________________________
10. 品牌钢笔32元一支,普通钢笔18元一支,各买20支,总差价多少元?
答:________________________________________________________________
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第14天 专项训练:套餐组合最优方案应用题10题
训练重点:结合套餐优惠、单品购买,对比多种购物方案,选择最省钱的购买方式
1. 购买20支钢笔,单支18元,套餐(5支装)80元,怎么买最省钱?最少花费多少元?
答:________________________________________________________________
________________________________________________________________
2. 需要30本笔记本,单本5元,套餐(10本装)42元,全部购买最省钱方案花费多少?
答:________________________________________________________________
________________________________________________________________
3. 购买16个毽子,单个3元,套餐(4个装)10元,最优购买方案花费多少元?
答:________________________________________________________________
________________________________________________________________
4. 需要12盒彩笔,单盒22元,套餐(3盒装)60元,怎么买最划算?总花费多少?
答:________________________________________________________________
________________________________________________________________
5. 购买25个文具盒,单个14元,套餐(5个装)65元,最优方案花费多少元?
答:________________________________________________________________
________________________________________________________________
6. 需要18根跳绳,单根12元,套餐(6根装)65元,最省钱购买方式花费多少?
答:________________________________________________________________
________________________________________________________________
7. 购买40块橡皮,单个2元,套餐(8块装)14元,全部采购最优方案花费多少?
答:________________________________________________________________
________________________________________________________________
8. 需要15本童话书,单本14元,套餐(5本装)60元,怎么买最划算?总花费多少?
答:________________________________________________________________
________________________________________________________________
9. 购买22盒牛奶,单盒4元,套餐(10盒装)35元,最优购买方案花费多少元?
答:________________________________________________________________
________________________________________________________________
10. 需要10个篮球,单个68元,套餐(2个装)125元,最省钱方案花费多少?
答:________________________________________________________________
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第15天 专项训练:四大题型综合拔高训练(一)10题
训练重点:全题型融合,涵盖基础、进阶、优惠、方案选择,全面检测基础掌握情况
1. 收纳箱每个39元,采购48个,一共需要花费多少元?
答:________________________________________________________________
________________________________________________________________
2. 樱桃32元一斤买14斤,草莓18元一斤买22斤,两种水果总花费多少元?
答:________________________________________________________________
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3. 买24套洗护套餐,每套28元,超市满600元减70元,实际支付多少元?
答:________________________________________________________________
________________________________________________________________
4. 单独买画笔15元、颜料22元,组合套餐一套32元,买18套套餐节省多少元?
答:________________________________________________________________
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5. 护眼灯46元一盏,带700元最多能买几盏?剩余多少元?
答:________________________________________________________________
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6. 运动袜8元一双买56双,护腕12元一个买38个,体育用品总花费多少元?
答:________________________________________________________________
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7. 购买32本教辅书,每本21元,付款700元,应找回多少元?
答:________________________________________________________________
________________________________________________________________
8. 零食套餐每套29元,购买27套,一共需要花费多少元?
答:________________________________________________________________
________________________________________________________________
9. 品牌书包69元,普通书包45元,各买12个,总差价多少元?
答:________________________________________________________________
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10. 超市满300元减45元,购买18箱纸巾,每箱19元,实际花费多少元?
答:________________________________________________________________
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第16天 专项训练:四大题型综合拔高训练(二)10题
训练重点:高难度综合题,多步骤解题,锻炼审题、分析、分步计算的综合解题能力
1. 工厂采购劳保用品,手套7元一双买95双,口罩2元一个买150个,总花费多少元?
答:________________________________________________________________
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2. 买16台小型风扇,每台43元,商场满600元减85元,实际支付多少元?找回多少?
答:________________________________________________________________
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3. 学习大礼包每套58元,购买34套,一共需要花费多少元?
答:________________________________________________________________
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4. 高端笔记本28元一本,普通笔记本12元一本,各买40本,总差价多少元?
答:________________________________________________________________
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5. 需要28支彩笔,单支4元,套餐(7支装)25元,最优购买方案花费多少元?
答:________________________________________________________________
________________________________________________________________
6. 实木桌椅每套135元,采购19套,一共需要支付多少元?
答:________________________________________________________________
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7. 超市满500元减65元,购买25箱水果,每箱23元,实际花费多少元?
答:________________________________________________________________
________________________________________________________________
8. 单独买羽毛球6元一个、球拍39元一副,套餐一套42元,买15套节省多少元?
答:________________________________________________________________
________________________________________________________________
9. 绘画工具每套36元,购买22套,付款800元,应找回多少元?
答:________________________________________________________________
________________________________________________________________
10. 红富士苹果9元一斤买36斤,砂糖橘5元一斤买48斤,总花费多少元?
答:________________________________________________________________
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第17天 专项训练:易错题专项突破10题
训练重点:汇总四升五购物问题高频易错题型,纠正运算失误、审题漏洞、公式误用问题
1. 带300元买单价27元的绘本,最多能买几本?剩余多少钱?(易错:余数处理错误)
答:________________________________________________________________
________________________________________________________________
2. 满200减30,购买商品总价218元,实际花费多少?节省的钱能再买一个15元的文具吗?(易错:优惠逻辑混淆)
答:________________________________________________________________
________________________________________________________________
3. 买12支钢笔(18元/支)和12本笔记本(5元/本),一共花费多少元?(易错:漏算数量)
答:________________________________________________________________
________________________________________________________________
4. 套餐(4块橡皮+2支铅笔)每套15元,买10套,比单独买(橡皮2元、铅笔3元)省多少?(易错:套餐单品数量看错)
答:________________________________________________________________
________________________________________________________________
5. 付款500元,买18件商品,每件24元,找回多少元?(易错:运算顺序错误)
答:________________________________________________________________
________________________________________________________________
6. 甲商品36元买15件,乙商品28元买15件,甲比乙多花多少钱?(易错:差价计算错误)
答:________________________________________________________________
________________________________________________________________
7. 满100减20,多次购买总价320元,实际需要支付多少元?(易错:满减次数计算错误)
答:________________________________________________________________
________________________________________________________________
8. 需要35个文件夹,单买4元一个,10个套装35元,最省钱方案花费多少?(易错:方案选择失误)
答:________________________________________________________________
________________________________________________________________
9. 24盒牛奶总价96元,再买15盒需要花多少钱?(易错:单价计算错误)
答:________________________________________________________________
________________________________________________________________
10. 买20套运动器材,每套42元,满800减90,实际花费多少元?(易错:满减条件判断错误)
答:________________________________________________________________
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第18天 专项训练:生活场景综合应用题10题
训练重点:贴合超市采购、节日购物、班级采购、居家消费等真实生活场景,强化应用意识
1. 班级举办联欢会,采购糖果45斤,每斤16元,零食38包,每包9元,一共花费多少元?
答:________________________________________________________________
________________________________________________________________
2. 妈妈超市年货采购,坚果礼盒78元买12盒,糕点礼盒45元买18盒,总花费多少元?
答:________________________________________________________________
________________________________________________________________
3. 运动会采购奖品,奖牌22元一枚买30枚,证书8元一本买60本,满1000减120,实际花费多少?
答:________________________________________________________________
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4. 居家大扫除采购工具,抹布3元一块买40块,清洁剂28元一瓶买12瓶,一共多少钱?
答:________________________________________________________________
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5. 开学文具采购,套装文具每套32元,购买36套,付款1200元,找回多少元?
答:________________________________________________________________
________________________________________________________________
6. 户外野餐采购食材,三明治12元一个买25个,果汁8元一瓶买30瓶,总花费多少元?
答:________________________________________________________________
________________________________________________________________
7. 书店开学季满500减80,采购30本作文书,每本21元,实际支付多少元?
答:________________________________________________________________
________________________________________________________________
8. 社团采购手工材料,彩绳6元一卷买52卷,卡纸2元一张买110张,总花费多少元?
答:________________________________________________________________
________________________________________________________________
9. 对比购买:单买书包59元、笔袋16元,组合套餐70元,买20套套餐节省多少元?
答:________________________________________________________________
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10. 水果店七夕礼盒,每套38元,购买42套,一共需要花费多少元?
答:________________________________________________________________
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第19天 专项训练:小升初衔接拔高应用题10题
训练重点:衔接五年级及小升初基础题型,多步骤综合运算,培养数学建模思维
1. 商店购进65箱饮料,每箱36元,卖出48箱后,剩余饮料按每箱32元低价售卖,一共盈利多少元?
答:________________________________________________________________
________________________________________________________________
2. 购买甲乙两种图书各35本,甲书24元一本,乙书18元一本,采购总费用多少?甲比乙多花多少?
答:________________________________________________________________
________________________________________________________________
3. 超市满500减60、满1000减130,采购商品总价980元,实际最优优惠后花费多少元?
答:________________________________________________________________
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4. 需要42个小礼品,单买5元一个,10个套装45元,怎么购买最省钱?总花费多少?
答:________________________________________________________________
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5. 工厂采购零件,A零件19元一个买72个,B零件23元一个买65个,总采购成本多少元?
答:________________________________________________________________
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6. 买28套运动套装,每套46元,付款1300元,应找回多少元?
答:________________________________________________________________
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7. 套餐优惠:3支钢笔+4本笔记本=38元,单支钢笔10元、单本笔记本3元,买15套节省多少元?
答:________________________________________________________________
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8. 家电促销,风扇原价58元,现价42元,购买36台,一共节省多少元?实际花费多少元?
答:________________________________________________________________
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9. 文具店批发,荧光笔13元一盒买68盒,马克笔17元一盒买59盒,总花费多少元?
答:________________________________________________________________
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10. 满300减40,购买14件单价28元的商品,实际支付多少元?
答:________________________________________________________________
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