第8单元 数学广角——搭配（二）-【优佳好】2023-2024学年三年级下册数学口算计算能力提升（人教版）

单元 8 　 第 1 课时　 简单的排列(教材 P101) 3 年级 下 R 9. 3 - 2. 6 = 3 - 2. 7 = 1. 1 + 0. 9 = 0. 2 + 0. 3 = 2. 6 + 4. 7 = 1 + 4. 8 = 8. 1 - 5. 2 = 9. 5 + 8. 7 = 12. 9 - 8. 7 = 9. 8 - 4. 8 = 1. 5 + 4. 1 = 2. 3 + 1. 5 = 0. 9 - 0. 4 = 5. 4 - 5. 3 = 6 - 5. 4 = 1. 2 + 5. 7 = 5. 3 + 8. 2 = 6. 1 + 2. 2 = 2. 4 + 3. 8 = 6. 2 + 1. 7 = 5. 2 - 1. 7 = 2. 8 - 1. 3 = 2 - 0. 1 = 2 + 5. 3 = 5. 7 + 5. 4 = 8. 8 - 0. 9 = 6 + 4. 7 = 0. 7 + 0. 5 = 9 - 3. 6 = 5. 3 + 2. 2 = 0. 8 + 2. 2 = 3. 2 - 2. 2 = 4 + 0. 4 = 7. 4 + 3. 2 = 7. 7 + 9. 3 = 7. 6 + 2 = 0. 9 + 7. 8 = 1. 8 + 6. 9 = 8. 2 + 4. 7 = 3. 5 + 1. 9 = 14. 8 + 5. 7 = 　 　 　 　 　 　 　 　 　 3. 7 + 7. 4 = 　 　 　 　 　 　 　 　 　 8. 9 - 3. 6 = 7. 1 - 5. 3 = 8 - 4. 9 = 13. 2 - 6. 4 = 36 单元 8 　 第 2 课时　 搭配(教材 P102) 3 年级 下 R 11. 3 - 4. 5 = 7. 3 - 0. 7 = 3. 1 + 2. 4 = 1. 2 + 2. 7 = 3. 5 - 0. 8 = 1. 2 + 4. 3 = 4. 5 + 5. 4 = 1. 4 + 0. 8 = 8. 4 - 0. 8 = 7. 3 + 6. 2 = 2. 4 + 1. 3 = 7. 6 - 0. 8 = 9. 4 - 5. 3 = 1. 8 + 2. 9 = 5. 6 - 0. 7 = 6. 9 + 3. 8 = 1. 2 + 5. 8 = 3. 6 - 0. 7 = 8. 4 + 0. 8 = 1. 9 + 1. 9 = 3. 3 + 0. 8 = 1. 6 + 2. 5 = 1. 9 + 2. 8 = 3. 2 + 8. 1 = 4. 2 + 3. 7 = 3. 8 - 1. 9 = 7. 6 - 1. 5 = 0. 5 + 5. 4 = 9. 2 - 6. 3 = 3. 8 - 2. 1 = 5. 1 + 2. 7 = 4. 5 - 3. 5 = 4. 4 - 0. 7 = 1. 7 + 3. 9 = 4. 2 - 0. 4 = 5. 4 - 2. 7 = 8. 4 - 0. 8 = 8. 5 - 0. 5 = 7. 3 + 2. 6 = 7. 5 - 4. 2 = 11. 7 + 8. 6 = 　 　 　 　 　 　 　 　 　 35. 5 + 4. 7 = 　 　 　 　 　 　 　 　 　 80. 1 - 12. 6 = 3. 6 + 43. 9 = 8. 4 - 3. 5 = 12. 2 - 10. 9 = 46 单元 8 　 第 3 课时　 稍复杂的组合(教材 P103) 3 年级 下 R 8. 1 + 2. 5 = 2 + 2. 8 = 5. 5 + 5. 3 = 8. 3 + 5. 2 = 5. 8 - 3. 4 = 5. 9 - 4. 2 = 2. 6 + 4. 2 = 8. 7 - 3. 2 = 10 + 6. 7 = 8. 2 + 1. 6 = 3 + 0. 6 = 4. 1 - 2. 7 = 10 - 3. 8 = 4. 6 - 3. 9 = 3. 5 + 3. 6 = 9. 3 - 6. 9 = 3. 4 + 0. 8 = 5. 6 - 2. 8 = 11. 3 + 5. 8 = 5. 1 + 2. 2 = 5. 4 - 2. 2 = 0. 6 + 0. 2 = 9. 5 - 8. 7 = 7. 2 - 5. 5 = 8. 3 - 2. 2 = 4. 5 + 5. 4 = 7. 9 - 5. 4 = 6. 5 + 3. 8 = 15. 4 - 3. 4 = 4. 9 + 5. 3 = 1. 6 + 3. 7 = 0. 8 + 0. 5 = 13. 9 + 6. 9 = 4. 3 + 5. 6 = 8. 5 - 6. 1 = 5. 5 - 3. 1 = 1. 8 + 4. 5 = 9. 4 - 6. 3 = 5. 6 + 4. 4 = 8. 1 - 3. 2 = 12. 2 - 1. 4 = 　 　 　 　 　 　 　 　 21. 3 + 6. 3 = 　 　 　 　 　 　 　 　 27. 3 + 73. 2 = 15. 8 + 28. 9 = 82. 1 - 3. 6 = 7. 8 - 2. 4 = 56 单元 8 　 第 4 课时　 练习课(教材 P104) 3 年级 下 R 4. 2 + 1. 5 = 4. 6 + 5. 8 = 6. 1 + 6. 5 = 2. 2 - 1. 7 = 2. 8 - 1. 3 = 5. 6 - 3. 7 = 10 - 8. 3 = 5. 7 - 4. 8 = 0. 8 + 5. 6 = 4. 2 - 2. 3 = 3. 1 - 0. 7 = 5. 9 + 7. 7 = 3. 2 + 6. 5 = 4 - 1. 4 = 7. 7 + 3. 6 = 4. 1 + 5. 2 = 5. 6 + 10. 4 = 6. 3 - 2. 5 = 9. 2 - 1. 8 = 5. 4 - 1. 8 = 2. 5 + 3. 2 = 2. 5 - 1. 7 = 5. 3 + 6. 5 = 1. 2 + 7. 5 = 8. 2 - 5. 3 = 2. 9 - 1. 8 = 7. 2 - 3. 5 = 10. 9 + 3. 5 = 15. 4 + 2. 7 = 9. 3 - 2. 6 = 1. 1 - 0. 8 = 0. 8 - 0. 2 = 6. 8 + 3 = 4. 5 + 3. 6 = 6. 6 + 4. 5 = 8. 8 - 2. 7 = 2. 1 + 5. 9 = 7. 8 - 5. 7 = 7. 9 - 4. 3 = 7. 5 + 4. 6 = 15. 7 + 5. 8 = 　 　 　 　 　 　 　 　 23. 6 - 4. 9 = 　 　 　 　 　 　 　 　 8. 3 + 7. 9 = 17. 5 - 3. 6 = 87. 2 + 12. 8 = 13. 7 + 5. 9 = 66 单元 8 　 第 8 单元计算易错专练 3 年级 下 R 1. 直接写出得数。 4. 5 + 3. 2 = 8. 4 - 2. 7 = 4. 3 + 0. 8 = 7. 3 - 2. 6 = 2. 9 + 10. 5 = 3. 2 + 4. 8 = 9. 3 - 2. 6 = 9. 8 - 7. 8 = 6. 2 - 4. 5 = 7. 3 - 4. 2 = 5. 3 - 0. 9 = 6. 3 + 4. 3 = 3. 9 + 8. 5 = 2. 7 - 1. 5 = 8. 7 - 4. 7 = 14. 2 - 7. 3 = 5. 3 + 2. 7 = 6. 6 + 3. 9 = 1. 7 + 2. 6 = 5. 5 + 4. 5 = 11. 3 - 2. 9 = 1. 3 + 2. 6 = 5. 3 + 7. 7 = 6. 6 + 4. 8 = 6 - 3. 1 = 5. 2 + 1. 4 = 0. 8 + 5. 7 = 8 - 3. 6 = 5. 4 + 6. 8 = 8. 4 + 2. 5 = 5. 8 + 0. 3 = 11. 5 - 5. 8 = 2. 用竖式计算。 14. 8 + 5. 6 = 　 　 　 　 　 　 　 22. 7 - 7. 9 = 　 　 　 　 　 　 　 34. 5 + 17. 8 = 22. 4 - 7. 8 = 16 - 5. 3 = 52. 4 + 7. 9 = 3. 在 里填上“ > ”“ < ”或“ = ”。 8. 3 - 4. 7 5. 1 9. 3 - 2. 1 5. 4 1. 4 + 0. 8 5. 4 - 4. 3 7. 2 + 1. 8 10 6. 8 4. 5 + 2. 3 8. 2 - 1. 7 3. 2 + 4. 7 76 着3年级下R 参考答案 口快了 结束时间 时 分-开始时间 时 分=做题时间 比上次口慢了 分 竖式计算提升 第67页 0.90.83.2 1.61.418.1 1.7.71.782.9 5.73.110.56.6 第61页 5.14.44.36.5 4.710.6104.4 口算能力提升 13.412.48.412.281.23.910.9 4.84.43.33.2 7.91.96.33.6 6.74136.1 26.911.45.7 4.46.50.15.3 0.90.86.36.9 2.20.414.852.3 14.610.760.3 3.76.55.52.7 4.988.48.6 3.<>> = < 26.45.30.4 12.411.32.12 第68页 4.71.46.31.8 5.9484.5 口算能力提升 竖式计算提升 3608803600101 2002250210 16.617.52.4 19.316.75.9 2.84.717.59.6 608010070 第62页 25082010.13.7 63009008090 1.8.54.14.72.9 24.50.21.8 8401507.65.3 7504346.570 0.91.90.21.6 31.13.910.8 7.52.646 50.34.12 2.2871900 5.96.461.9 竖式计算提升 2.7.6105.2 6.44.420.2 21427.878 39.52520 1014 3.>>= < 第69页 第63页 口算能力提升 口算能力提升 7002001000360 10.4940211 6.75.63.5 3 0.33.81.51 600016002.111.5 5601501062040 20.51.94.4 0.50.17.310.6 6.99025201040 7.30.611.117 5.86.97.99.6 竖式计算提升 2.913.510.78.7 18.28.31.28.7 40.12700134…2 79…2224114.2 4.26.25.412.9 57.97.55.4 脱式计算提升 竖式计算提升 9037846 20.511.15.3 1.83.16.8 第70页 第64页 口算能力提升 口算能力提升 96021007501080 40801221 6.83.74.17.8 6.66.84.11 228010.11.8 107.62105.8 5.54.14.73.7 3.94.711.35.6 10601701031500 2.74.97.93.8 5.5 10.71.92.7 竖式计算提升 9.976.17.6 2.22.95.98 1824100…5 21.5 69…38645.8 7.69.22.99.9 13.53.81.73.3 脱式计算提升 竖式计算提升 782224770 20.340.267.5 47.54.91.3 第65页 第71页 口算能力提升 口算能力提升 60030007060 32402012240103 10.63.63.25.3 4.81.40.81.3 300010790.6 1300.93.58000 10.86.20.820.8 13.50.71.79.9 2.47.16.12.4 1.72.49.92.4 815.1280160 6.84.22.56.3 5.52.810.33.1 竖式计算提升 16.717.11210 9.87.3 10.24.9 4.31944150+.1 105…220.22212 竖式计算提升 脱式计算提升 10.827.6100.5 4.778.55.4 782109324 第66页 第72页 口算能力提升 口算能力提升 5.72.45.70.3 10.413.60.80.6 950224080960 11.14.362.4 12.69.711.89.8 0.52.68.78.1 402400900100 37020280600 1.511.32.911.1 1.99.31.16.1 24009090 70 1.7163.78 0.93.814.42.1 竖式计算提升 6.47.418.13.6 1.93.66.712.1 80013.7155.4 58400558.2 竖式计算提升 脱式计算提升 21.518.716.2 13.910019.6 302551225 年 月日第 天打卡 订正吧