2026春小学数学人教版（新教材）二年级下册 期中复习口算易错题专项训练试卷（含答案）

2026春小学数学人教版（新教材）二年级下册期中复习口算易错题专项训练试卷班级：__________姓名：__________得分：__________考试时间：20分钟一、表内除法口算易错题（40道）（易错点：乘法口诀混淆、商与除数颠倒、漏记特殊口诀，如“六六三十六”“九九八十一”，忽略除法与乘法的互逆关系，计算时粗心看错数字或运算符号）1.12÷2＝__________2.18÷3＝__________3.20÷4＝__________4.15÷5＝__________5.6÷6＝__________6.8÷2＝__________7.12÷3＝__________8.16÷4＝__________9.9÷3＝__________10.24÷6＝__________11.49÷7＝__________12.56÷8＝__________13.63÷9＝__________14.35÷7＝__________15.72÷8＝__________16.81÷9＝__________17.28÷7＝__________18.40÷8＝__________19.54÷9＝__________20.63÷7＝__________21.48÷8＝__________22.72÷9＝__________23.36÷9＝__________24.56÷7＝__________25.42÷7＝__________26.32÷8＝__________27.18÷6＝__________28.25÷5＝__________29.30÷6＝__________30.45÷9＝__________31.14÷7＝__________32.16÷8＝__________33.27÷3＝__________34.36÷4＝__________35.40÷5＝__________36.54÷6＝__________37.21÷3＝__________38.32÷4＝__________39.49÷7＝__________40.64÷8＝__________二、有余数的除法口算易错题（30道）（易错点：余数大于或等于除数、忘记写余数、乘法口诀误用导致余数错误，计算时忽略“余数必须比除数小”的核心规则，看错被除数或除数）1.10÷3＝__________2.17÷5＝__________3.22÷4＝__________4.19÷6＝__________5.25÷7＝__________6.31÷8＝__________7.37÷9＝__________8.14÷5＝__________9.20÷7＝__________10.28÷5＝__________11.33÷6＝__________12.40÷7＝__________13.15÷4＝__________14.21÷5＝__________15.27÷4＝__________16.32÷9＝__________17.38÷5＝__________18.43÷6＝__________19.16÷3＝__________20.23÷7＝__________21.29÷8＝__________22.34÷7＝__________23.41÷9＝__________24.18÷5＝__________25.24÷5＝__________26.30÷7＝__________27.35÷8＝__________28.42÷8＝__________29.17÷3＝__________30.26÷9＝__________三、有余数的除法（最大能填几）易错题（20道）（易错点：混淆“最大能填几”与“最小能填几”、乘法口诀计算错误、忽略余数小于除数的规则，计算时高估或低估乘数，导致结果不符合题意）1.（）×7＜43__________2.8×（）＜60__________3.9×（）＜52__________4.6×（）＜37__________5.（）×8＜50__________6.7×（）＜51__________7.（）×9＜65__________8.5×（）＜28__________9.8×（）＜70__________10.6×（）＜40__________11.（）×5＜36__________12.4×（）＜30__________13.7×（）＜45__________14.（）×8＜63__________15.9×（）＜71__________16.5×（）＜44__________17.6×（）＜29__________18.（）×7＜38__________19.8×（）＜55__________20.9×（）＜82__________四、万以内数的口算易错题（40道）（易错点：整百、整千数加减混淆、漏数末尾0、数位对错导致计算错误，混淆“几千”与“几百”的计数单位，计算时粗心看错数字或运算符号）1.300＋500＝__________2.800－200＝__________3.5000＋3000＝__________4.9000－4000＝__________5.400＋600＝__________6.1200－700＝__________7.2000＋500＝__________8.8500－500＝__________9.700＋800＝__________10.3600－3000＝__________11.4500＋2000＝__________12.6300－300＝__________13.1000＋400＝__________14.7200－200＝__________15.3000＋600＝__________16.5800－800＝__________17.900＋600＝__________18.4000－1000＝__________19.2500＋300＝__________20.8000－5000＝__________21.200＋700＝__________22.900－300＝__________23.4000＋5000＝__________24.8000－3000＝__________25.500＋500＝__________26.1500－800＝__________27.3000＋400＝__________28.7600－600＝__________29.800＋600＝__________30.4200－2000＝__________31.5500＋1000＝__________32.6800－800＝__________33.1200＋300＝__________34.8000－2000＝__________35.2000＋800＝__________36.9300－300＝__________37.600＋900＝__________38.5000－2000＝__________39.3500＋500＝__________40.7000－4000＝__________五、混合运算（无括号）口算易错题（30道）（易错点：混淆运算顺序、先算加减后算乘除、计算过程中粗心出错，忽略“先乘除、后加减”的核心规则，分步计算时出错）1.35＋15÷5＝__________2.72－8×9＝__________3.48÷6＋27＝__________4.9×7－30＝__________5.24＋3×8＝__________6.56－40÷8＝__________7.18＋2×5＝__________8.63÷7＋2＝__________9.4×9－15＝__________10.56－24÷3＝__________11.36÷4＋18＝__________12.7×8－25＝__________13.45÷5＋20＝__________14.8×6－30＝__________15.28÷4＋32＝__________16.9×5－27＝__________17.60－12÷3＝__________18.25＋5×7＝__________19.72÷8－5＝__________20.4×8＋12＝__________21.50－6×7＝__________22.36÷6＋29＝__________23.8×9－45＝__________24.42÷7＋35＝__________25.64－8×7＝__________26.19＋3×6＝__________27.54÷9＋17＝__________28.7×5－20＝__________29.30－4×6＝__________30.48÷8＋31＝__________六、克和千克单位换算易错题（20道）（易错点：混淆克与千克的换算关系、漏写单位、单位换算错误，不清楚1千克＝1000克，误用单位导致计算失误）1.1千克＝__________克2.5000克＝__________千克3.3千克＝__________克4.7000克＝__________千克5.2千克500克＝__________克6.4500克＝__________千克__________克7.6千克＝__________克8.9000克＝__________千克9.1千克200克＝__________克10.3800克＝__________千克__________克11.8千克＝__________克12.6000克＝__________千克13.5千克300克＝__________克14.7200克＝__________千克__________克15.4千克＝__________克16.8000克＝__________千克17.2千克800克＝__________克18.5600克＝__________千克__________克19.9千克＝__________克20.3000克＝__________千克参考答案一、表内除法口算易错题（40道）1.62.63.54.35.16.47.48.49.310.411.712.713.714.515.916.917.418.519.620.921.622.823.424.825.626.427.328.529.530.531.232.233.934.935.836.937.738.839.740.8二、有余数的除法口算易错题（30道）1.3……12.3……23.5……24.3……15.3……46.3……77.4……18.2……49.2……610.5……311.5……312.5……513.3……314.4……115.6……316.3……517.7……318.7……119.5……120.3……221.3……522.4……623.4……524.3……325.4……426.4……227.4……328.5……229.5……230.2……8三、有余数的除法（最大能填几）易错题（20道）1.62.73.54.65.66.77.78.59.810.611.712.713.614.715.716.817.418.519.620.9四、万以内数的口算易错题（40道）1.8002.6003.80004.50005.10006.5007.25008.80009.150010.60011.650012.600013.140014.700015.360016.500017.150018.300019.280020.300021.90022.60023.900024.500025.100026.70027.340028.700029.140030.220031.6500