2026春 小学数学（北师大版）一年级下册 期中复习口算易错题专项训练试卷及答案

2026春小学数学（北师大版）一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：20分钟一、20以内退位减法（易错重点，共20题）1.11-5=__________2.13-7=__________3.12-4=__________4.15-8=__________5.14-6=__________6.16-9=__________7.17-8=__________8.11-3=__________9.12-8=__________10.13-9=__________11.14-5=__________12.15-6=__________13.16-8=__________14.17-9=__________15.11-7=__________16.12-5=__________17.13-8=__________18.14-7=__________19.15-9=__________20.16-7=__________二、100以内整十数加减整十数（易错点：漏加、漏减末尾0）（共20题）21.20+30=__________22.50-20=__________23.40+10=__________24.70-30=__________25.60+20=__________26.80-50=__________27.30+50=__________28.90-60=__________29.10+80=__________30.60-40=__________31.50+40=__________32.80-70=__________33.20+70=__________34.90-80=__________35.40+50=__________36.70-20=__________37.30+60=__________38.50-30=__________39.60+30=__________40.100-50=__________三、两位数加一位数（不进位，易错点：混淆个位与十位）（共15题）41.23+2=__________42.35+3=__________43.41+5=__________44.56+2=__________45.64+3=__________46.72+6=__________47.85+4=__________48.91+8=__________49.17+2=__________50.28+1=__________51.36+3=__________52.49+0=__________53.55+4=__________54.67+2=__________55.78+1=__________四、两位数加一位数（进位，易错点：忘记进位）（共15题）56.28+5=__________57.36+7=__________58.45+8=__________59.57+5=__________60.64+9=__________61.73+8=__________62.82+9=__________63.19+6=__________64.27+6=__________65.38+5=__________66.49+4=__________67.56+8=__________68.65+7=__________69.74+8=__________70.81+9=__________五、两位数减一位数（不退位，易错点：个位减错、十位漏写）（共15题）71.35-2=__________72.48-5=__________73.56-3=__________74.69-6=__________75.77-4=__________76.84-2=__________77.98-7=__________78.16-4=__________79.29-5=__________80.37-6=__________81.45-4=__________82.58-7=__________83.63-3=__________84.76-5=__________85.89-8=__________六、两位数减一位数（退位，易错点：忘记退位、退位后十位计算错误）（共15题）86.32-5=__________87.41-6=__________88.53-8=__________89.62-7=__________90.71-9=__________91.83-5=__________92.94-6=__________93.14-5=__________94.25-7=__________95.36-8=__________96.47-9=__________97.54-6=__________98.65-8=__________99.76-9=__________100.82-3=__________七、混合口算（易错点：运算顺序、进退位混淆）（共20题，附加题，不计入满分，供拓展练习）101.12-4+5=__________102.15-7+3=__________103.20+15-8=__________104.30+25-6=__________105.45-3+7=__________106.56-8+4=__________107.60+18-9=__________108.72-5+3=__________109.81-7+2=__________110.90+9-6=__________111.18-9+7=__________112.23+7-5=__________113.34-6+8=__________114.47+3-9=__________115.52-8+6=__________116.65+5-7=__________117.78-9+4=__________118.86+4-8=__________119.93-6+5=__________120.100-20+8=__________参考答案一、20以内退位减法1.62.63.84.75.86.77.98.89.410.411.912.913.814.815.416.717.518.719.620.9二、100以内整十数加减整十数21.5022.3023.5024.4025.8026.3027.8028.3029.9030.2031.9032.1033.9034.1035.9036.5037.9038.2039.9040.50三、两位数加一位数（不进位）41.2542.3843.4644.5845.6746.7847.8948.9949.1950.2951.3952.4953.5954.6955.79四、两位数加一位数（进位）56.3357.4358.5359.6260.7361.8162.9163.2564.3365.4366.5367.6468.7269.8270.90五、两位数减一位数（不进位）71.3372.4373.5374.6375.7376.8277.9178.1279.2480.3181.4182.5183.6084.7185.81六、两位数减一位数（退位）86.2787.3588.4589.5590.6291.7892.8893.994.1895.2896.3897.4898.5799.67100.79七、混合口算（附加题）101.13102.11103.27104.49105.49106.52107.69108.70109.76110.93111.16