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：__________时间：60分钟一、基础口算易错题（每题1分，共80分）1.18÷9＝__________2.35÷7＝__________3.24÷8＝__________4.42÷6＝__________5.54÷6＝__________6.63÷7＝__________7.72÷8＝__________8.81÷9＝__________9.28÷4＝__________10.36÷4＝__________11.45÷5＝__________12.16÷2＝__________13.12÷3＝__________14.20÷5＝__________15.21÷3＝__________16.32÷4＝__________17.40÷8＝__________18.56÷7＝__________19.64÷8＝__________20.9÷3＝__________21.7÷7＝__________22.8÷1＝__________23.0÷6＝__________24.0×8＝__________25.5×7＝__________26.6×8＝__________27.7×9＝__________28.8×8＝__________29.9×6＝__________30.4×9＝__________31.3×8＝__________32.5×9＝__________33.18÷2＝__________34.27÷3＝__________35.36÷9＝__________36.49÷7＝__________37.50÷7＝__________38.60÷8＝__________39.25÷4＝__________40.30÷7＝__________41.40÷6＝__________42.55÷8＝__________43.17÷5＝__________44.23÷3＝__________45.31÷6＝__________46.47÷9＝__________47.53÷7＝__________48.61÷8＝__________49.100＋200＝__________50.300＋500＝__________51.600－400＝__________52.800－200＝__________53.150＋300＝__________54.450－100＝__________55.700＋250＝__________56.900－350＝__________57.230＋40＝__________58.560－60＝__________59.80＋700＝__________60.630－300＝__________61.380＋200＝__________62.720－500＝__________63.400＋190＝__________64.810－70＝__________65.1分＝__________秒66.1时＝__________分67.2分＝__________秒68.1时30分＝__________分69.90秒＝__________分__________秒70.120分＝__________时71.1分15秒＝__________秒72.2时10分＝__________分73.80分＝__________时__________分74.65秒＝__________分__________秒75.3分＝__________秒76.1时10分－40分＝__________分77.2分30秒＋30秒＝__________分78.1时－25分＝__________分79.3分10秒－1分40秒＝__________秒80.4分－2分20秒＝__________秒二、易错混淆口算题（每题1分，共60分）1.8×7－8＝__________2.9×6＋9＝__________3.7×5－15＝__________4.6×8＋20＝__________5.5×9－25＝__________6.8×4＋12＝__________7.9×7－30＝__________8.7×6＋18＝__________9.36÷4＋5＝__________10.49÷7－6＝__________11.56÷8＋12＝__________12.63÷9－7＝__________13.24÷3＋18＝__________14.35÷5－5＝__________15.42÷6＋20＝__________16.72÷8－8＝__________17.18÷2＋30＝__________18.27÷3－8＝__________19.32÷4＋15＝__________20.45÷5－7＝__________21.500＋30＝__________22.530－300＝__________23.70＋400＝__________24.740－40＝__________25.180＋200＝__________26.380－80＝__________27.600＋120＝__________28.820－200＝__________29.450＋50＝__________30.600－50＝__________31.230＋70＝__________32.900－600＝__________33.300＋400＋50＝__________34.800－200－300＝__________35.500＋150＋50＝__________36.900－300－200＝__________37.200＋300－100＝__________38.700－200＋100＝__________39.400＋200＋30＝__________40.650－50－300＝__________41.5×8＋8＝__________42.7×7－7＝__________43.6×9＋6＝__________44.8×6－12＝__________45.9×5＋10＝__________46.7×8－20＝__________47.6×7＋14＝__________48.8×9－36＝__________49.1分20秒＝__________秒50.1时20分＝__________分51.100秒＝__________分__________秒52.110分＝__________时__________分53.2分－50秒＝__________秒54.1时－40分＝__________分55.3分20秒＋40秒＝__________分56.2时15分－1时＝__________分57.1分40秒＋20秒＝__________分58.1时30分－50分＝__________分59.4分－1分30秒＝__________秒60.2分20秒＋1分40秒＝__________分三、高频易错口算拔高题（每题1分，共60分）1.43÷7＝__________2.58÷9＝__________3.65÷8＝__________4.72÷9＝__________5.37÷5＝__________6.48÷6＝__________7.59÷7＝__________8.67÷8＝__________9.29÷4＝__________10.38÷6＝__________11.47÷8＝__________12.55÷6＝__________13.63÷8＝__________14.71÷9＝__________15.31÷4＝__________16.44÷7＝__________17.52÷8＝__________18.61÷7＝__________19.73÷9＝__________20.28÷5＝__________21.350＋250＝__________22.480－180＝__________23.620＋180＝__________24.850－350＝__________25.390＋210＝__________26.720－270＝__________27.560＋340＝__________28.900－450＝__________29.270＋330＝__________30.680－280＝__________31.450＋350＝__________32.800－520＝__________33.190＋410＝__________34.750－350＝__________35.360＋240＝__________36.920－620＝__________37.8×7＋2×7＝__________38.9×6－3×6＝__________39.7×5＋7×3＝__________40.8×8－8×5＝__________41.6×9＋3×9＝__________42.7×7－4×7＝__________43.5×8＋5×4＝__________44.9×5－6×5＝__________45.3×7＋5×7＝__________46.8×6－4×6＝__________47.6×7＋2×7＝__________48.9×4－5×4＝__________49.2时20分＋1时40分＝__________时50.3时15分－1时30分＝__________分51.1分50秒＋2分10秒＝__________分52.4时－1时25分＝__________分53.3分30秒＋2分30秒＝__________分54.2时10分－50分＝__________分55.1分45秒＋1分15秒＝__________分56.3时20分－2时40分＝__________分57.2分50秒－1分20秒＝__________秒58.1时15分＋45分＝__________时59.4分10秒－2分40秒＝__________秒60.2时30分＋3时30分＝__________时四、口算易错题解题提示（共10分）1.有余数的除法：牢记“余数要比除数小”，计算时先想乘法口诀，再确定商和余数，避免余数大于或等于除数。2.表内乘除法混合运算：先算乘除，后算加减，不要混淆运算顺序；遇到相同因数的加减混合（如8×7＋2×7），可利用乘法分配律简化计算。3.万以内数的口算：注意末尾0的个数，避免多写或漏写；加减时相同数位对齐，先算整百、整十部分，再算个位部分。4.时间单位换算：牢记“1时＝60分，1分＝60秒”，换算时注意满60进1、不够减借1当60，避免出现“1时＝100分”“1分＝100秒”的错误。5.易错提醒：0除以任何非0数都得0，0乘任何数都得0；计算有余数的除法时，不要忘记写余数；时间计算中，跨时、跨分的题目要分步计算，避免粗心出错。参考答案一、基础口算易错题（每题1分，共80分）1.22.53.34.75.96.97.98.99.710.911.912.813.414.415.716.817.518.819.820.321.122.823.024.025.3526.4827.6328.6429.5430.3631.2432.4533.934.935.436.737.7……138.7……439.6……140.4……241.6……442.6……743.3……244.7……245.5……146.5……247.7……448.7……549.30050.80051.20052.60053.45054.35055.95056.55057.27058.50059.78060.33061.58062.22063.59064.74065.6066.6067.12068.9069.1、3070.271.7572.13073.1、2074.1、575.18076.3077.378.3579.9080.100二、易错混淆口算题（每题1分，共60分）1.482.633.204.685.206.447.338.609.1410.111.1912.013.2614.215.2716.117.3918.119.2320.221.53022.23023.47024.70025.38026.30027.72028.62029.50030.55031.30032.30033.75034.30035.70036.40037.40038.60039.63040.30041.4842.42