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附答案

2026春小学数学（人教版·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：40分钟一、20以内退位减法（易错重点，每题1分，共30分）1.11-5=__________2.13-7=__________3.12-4=__________4.14-6=__________5.15-8=__________6.16-9=__________7.11-3=__________8.12-5=__________9.13-4=__________10.14-5=__________11.15-6=__________12.16-7=__________13.17-8=__________14.18-9=__________15.11-8=__________16.12-9=__________17.13-8=__________18.14-7=__________19.15-7=__________20.16-8=__________21.17-9=__________22.11-6=__________23.12-7=__________24.13-5=__________25.14-8=__________26.15-9=__________27.16-6=__________28.17-7=__________29.18-8=__________30.11-2=__________二、整十数加减整十数（易错辨析，每题1分，共20分）1.20+30=__________2.50-20=__________3.40+10=__________4.60-30=__________5.70+20=__________6.80-50=__________7.30+50=__________8.90-60=__________9.10+80=__________10.70-40=__________11.50+40=__________12.60-20=__________13.20+70=__________14.80-70=__________15.40+40=__________16.90-80=__________17.30+60=__________18.50-30=__________19.60+30=__________20.100-50=__________三、两位数加减一位数（不进位、不退位，易错提醒：注意数位对齐，每题1分，共20分）1.23+2=__________2.35-3=__________3.46+3=__________4.58-5=__________5.67+1=__________6.79-7=__________7.82+5=__________8.94-4=__________9.18+1=__________10.27-2=__________11.34+4=__________12.49-6=__________13.51+8=__________14.65-2=__________15.73+6=__________16.88-3=__________17.92+7=__________18.15-4=__________19.26+2=__________20.38-5=__________四、两位数加减一位数（进位、退位，高频易错，每题1分，共20分）1.28+5=__________2.36-8=__________3.47+6=__________4.53-7=__________5.65+8=__________6.72-9=__________7.84+7=__________8.91-6=__________9.19+4=__________10.25-8=__________11.37+5=__________12.48-9=__________13.56+9=__________14.61-4=__________15.78+3=__________16.85-7=__________17.96+4=__________18.17-9=__________19.29+2=__________20.33-5=__________五、两位数加减整十数（易错点：勿将个位与十位混淆，每题1分，共15分）1.23+20=__________2.56-30=__________3.47+10=__________4.78-50=__________5.62+30=__________6.89-40=__________7.35+40=__________8.91-60=__________9.18+70=__________10.53-20=__________11.29+50=__________12.76-60=__________13.44+20=__________14.85-30=__________15.67+20=__________六、混合口算（易错提醒：从左到右依次计算，每题1分，共15分）1.12-5+3=__________2.15-8+6=__________3.20+10-7=__________4.35-5+8=__________5.47+3-9=__________6.58-8+4=__________7.60+20-5=__________8.72-20+6=__________9.81-9+7=__________10.93+7-10=__________11.18+7-9=__________12.25-6+8=__________13.36+4-8=__________14.49-9+5=__________15.50+15-7=__________七、易错对比口算（重点区分易混淆题型，每题1分，共20分）1.13-5=__________13-8=__________2.24+3=__________24+30=__________3.35-2=__________35-20=__________4.46+8=__________46-8=__________5.57-4=__________57-9=__________6.68+2=__________68+20=__________7.79-5=__________79-50=__________8.83+7=__________83-7=__________9.91-6=__________91-60=__________10.19+5=__________19-5=__________11.27+6=__________27-6=__________12.38+4=__________38+40=__________13.45-7=__________45-17=__________14.56+9=__________56-9=__________15.63+8=__________63-8=__________16.72-3=__________72-30=__________17.84+6=__________84-6=__________18.95-8=__________95-18=__________19.16+8=__________16-8=__________20.28+5=__________28-5=__________八、拓展口算（贴合期中重难点，每题1分，共10分）1.39+8=__________2.52-4=__________3.71-9=__________4.86+4=__________5.94-7=__________6.27+5+3=__________7.48-6-3=__________8.60+18-9=__________9.75-20+8=__________10.83+7-10=__________参考答案一、20以内退位减法1.62.63.84.85.76.77.88.79.910.911.912.913.914.915.316.317.518.719.820.821.822.523.524.825.626.627.1028.1029.1030.9二、整十数加减整十数1.502.303.504.305.906.307.808.309.9010.3011.9012.4013.9014.1015.8016.1017.9018.2019.9020.50三、两位数加减一位数（不进位、不退位）1.252.323.494.535.686.727.878.909.1910.2511.3812.4313.5914.6315.7916.8517.9918.1119.2820.33四、两位数加减一位数（进位、退位）1.332.283.534.465.736.637.918.859.2310.1711.4212.3913.6514.5715.8116.7817.10018.819.3120.28五、两位数加减整十数1.432.263.574.285.926.497.758.319.8810.3311.7912.1613.6414.5515.87六、混合口算1.102.133.234.385.416.547.758.589.7910.9011.1612.2713.3214.4515.58七、易错对比口算1.8、52.27、543.33、154.54、385.53、486.70、887.74、298.90、769.85、3110.24、1411.33、2112.42、7813.38、2814.65、4715.71、5