第6单元 数据的表示和分析-【优佳好】2023-2024学年四年级下册数学口算计算能力提升（北师大版）

单元六 　 第 1 课时　 生日 4 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　8. 5 × 0. 2 = 1. 5 × 0. 03 = 0. 12 × 0. 03 = 0. 48 - 0. 44 = 5. 6 - 2. 7 = 2. 97 × 100 = 3. 2 - 0. 16 = 0. 4 × 0. 8 = 12. 5 × 0. 08 = 18 × 0. 9 = 3. 5 × 20 = 0. 22 + 0. 78 = 4. 7 × 0. 1 = 2. 4 × 0. 03 = 0. 24 - 0. 04 = 3. 01 × 2 = 32. 4 + 20. 8 = 2. 43 + 3. 57 = 2. 1 × 5 = 0. 96 + 0. 33 = 0. 36 × 5 = 8. 1 - 0. 9 = 0. 7 × 0. 2 = 15 × 0. 04 = 1. 8 - 0. 9 = 3 × 3. 5 = 110 × 20 = 9. 6 × 1. 2 = 2. 05 + 0. 61 = 8. 3 × 1. 2 = 2. 5 × 0. 6 = 14. 7 - 0. 7 = 4 × 0. 15 = 0. 8 × 3. 6 = 5. 1 × 6 = 1. 8 × 80 = 1. 6 × 0. 5 = 62. 7 - 33. 3 = 3. 2 × 0. 8 = 1. 6 × 5. 5 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　2. 4 - 1. 6 = 10. 4 + 23. 7 = 10 - 7. 8 = x - 9. 2 = 37 x ÷ 9 = 3. 6 4y - 3 = 25 95 单元六 　 第 2 课时　 栽蒜苗(一) 4 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　6. 04 × 4 = 2 × 0. 05 = 1 × 0. 04 = 0. 5 × 0. 6 = 1. 6 × 0. 8 = 8 × 0. 01 = 3. 5 + 2. 7 = 0. 56 + 0. 65 = 7. 2 - 6. 6 = 0. 4 × 0. 4 = 9. 3 + 3 = 7. 07 + 7 = 0. 13 × 100 = 7. 2 + 0. 9 = 1. 5 × 8 = 3. 6 + 6 = 1. 5 - 0. 3 = 4. 8 × 0. 2 = 2. 5 × 0. 4 = 1. 6 × 0. 5 = 3. 2 × 0. 4 = 2. 2 × 5 = 1. 8 × 0. 5 = 62. 7 + 30. 3 = 0. 26 + 1. 3 = 1. 2 × 0. 8 = 14. 7 + 5. 6 = 4. 6 × 0. 5 = 9. 65 + 2. 1 = 7. 3 × 0. 6 = 21. 3 + 3 = 0. 94 × 0. 6 = 4. 7 × 4 = 0. 65 × 5 = 4. 57 × 2 = 1. 5 + 15 = 4 × 3. 5 = 2. 8 × 9 = 5. 4 × 0. 7 = 1. 9 × 20 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　21x = 189 2x + 0. 6 = 16. 6 45 + 2x = 95 0. 35 × 1. 25 × 4 × 0. 8 0. 35 × 199 21. 3 × 0. 8 + 0. 2 × 21. 3 06 单元六 　 第 3 课时　 栽蒜苗(二) 4 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　1. 22 × 3 = 1. 03 × 2 = 1. 23 × 3 = 6. 01 × 2 = 7. 5 × 20 = 0. 2 × 0. 5 = 0. 5 × 0. 4 = 3. 5 + 0. 5 = 0. 5 + 0. 25 = 0. 9 × 0. 2 = 80 × 0. 07 = 8. 2 × 0. 01 = 3 × 0. 15 = 0. 81 × 100 = 9. 5 - 0. 95 = 0. 15 × 8 = 8. 04 × 5 = 0. 7 + 0. 5 = 0. 6 + 0. 03 = 2. 8 + 0. 7 = 1. 8 × 0. 3 = 1. 3 × 0. 5 = 0. 3 × 0. 9 = 3. 6 × 2 = 4. 2 × 0. 7 = 1. 2 + 2. 4 = 0. 75 + 2. 5 = 4. 5 × 4 = 3. 2 + 0. 8 = 8. 6 - 2 = 1 × 0. 125 = 1. 8 × 20 = 84 - 4. 2 = 5. 8 × 0. 4 = 7. 05 × 0. 08 = 15. 3 - 0. 3 = 3. 5 × 8 = 6. 6 + 3. 3 = 12. 5 × 6 = 0. 85 + 1. 7 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　1. 39 × 2. 8 = 19. 2 × 0. 23 = 11. 3 - 7. 8 = 2x - 5 = 13 16 + 9x = 34 8y + 35 = 67 16 单元六 　 第 4 课时　 平均数 4 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　0. 45 + 0. 09 = 20 × 0. 06 = 0. 4 × 8 = 0. 6 + 0. 5 = 4. 5 × 2 = 0. 18 × 0. 3 = 80 × 0. 2 = 0. 05 × 1. 6 = 8 × 0. 75 = 8 + 0. 4 = 0. 8 × 0. 8 = 20 × 0. 25 = 4. 7 × 0. 7 = 9. 9 + 0. 03 = 4. 8 + 1. 2 = 2. 2 × 0. 5 = 0. 78 + 3. 9 = 1. 8 × 0. 5 = 6. 2 - 1. 3 = 1. 2 × 0. 8 = 3. 4 × 0. 5 = 1. 57 + 0. 77 = 1. 5 + 1. 5 = 2. 8 + 1. 4 = 15 + 2. 5 = 1. 3 × 0. 5 = 0. 3 × 0. 9 = 3. 6 × 5 = 2. 05 × 8 = 6. 5 - 1. 3 = 8. 04 × 0. 7 = 4. 08 + 0. 88 = 4. 8 × 0. 5 = 2. 5 + 0. 9 = 12. 5 × 4 = 7. 2 × 6 = 8. 1 - 2. 7 = 5. 8 × 2 = 2. 25 + 1. 5 = 2. 4 × 0. 2 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　x - 1. 7 = 3. 6 x ÷ 4. 5 = 2 5x + 25 = 250 12. 68 + 3. 55 - 2. 96 18. 9 + 13. 26 - 14. 77 8. 24 × 1. 5 - 11. 87 26 单元六 　 第 5 课时　 练习六 4 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　3. 5 + 0. 7 = 0. 8 + 1. 3 = 7 × 3. 5 = 4 × 0. 11 = 9. 5 × 0. 6 = 0. 5 × 0. 12 = 1. 25 × 5 = 6. 2 + 0. 2 = 2. 5 × 0. 5 = 0. 8 × 0. 4 = 0. 7 × 0. 7 = 8. 4 × 0. 2 = 0. 75 + 0. 25 = 0. 45 + 0. 9 = 0. 3 × 0. 1 = 1. 24 + 0. 84 = 1. 26 - 0. 42 = 0. 75 + 2. 31 = 4. 7 × 4 = 8. 5 × 2 = 8 × 0. 35 = 1 - 0. 125 = 1. 9 × 20 = 6. 4 × 3 = 4. 5 × 4 = 4 × 2. 5 = 2. 4 - 2 = 9. 6 + 0. 8 = 4. 8 + 16 = 9. 4 + 0. 6 = 7. 5 - 1. 5 = 2. 04 × 0. 7 = 0. 32 × 5 = 1. 4 × 25 = 7 × 0. 5 = 3. 8 + 0. 19 = 5. 6 + 0. 8 = 0. 7 × 0. 8 = 30 × 50 = 4. 96 + 0. 04 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　x - 91. 2 = 3. 5 4x - 8. 9 = 7. 1 7x + 0. 8 = 49. 8 15. 17 - 1. 8 - 3. 2 13. 6 × 2. 4 + 13. 6 × 7. 6 12. 5 × (0. 8 + 80) 36 单元六 　 第六单元计算易错专练 4 年级 下 B 1. 直接写出得数。 1. 5 × 3 = 　 　 　 　 　 0. 36 + 0. 66 = 　 　 　 　 　 9. 5 × 5 = 　 　 　 　 　 4. 3 × 1. 5 = 9. 9 - 3. 9 = 6. 6 × 3 = 0. 75 - 0. 55 = 5. 2 × 1. 4 = 0. 85 × 4 = 2. 1 × 5 = 8 × 1. 6 = 2. 3 × 8 = 10 × 0. 4 = 0. 1 × 22 = 0. 64 + 0. 46 = 1. 5 × 0. 7 = 4. 3 × 0. 5 = 9. 9 - 1. 88 = 1. 2 × 9 = 2. 07 × 0. 8 = 2. 用竖式计算。 45. 9 - 7. 88 = 　 　 　 　 　 　 　 　 12. 1 × 0. 8 = 　 　 　 　 　 　 　 　 7. 2 × 12. 6 = 3. 脱式计算。 8. 24 × 1. 5 - 11. 87 14. 1 + 3. 5 × 0. 66 26. 7 - 1. 56 × 5. 5 4. 解方程。 25x = 400 y - 1. 3 = 2. 2 x ÷ 12 = 155 x ÷ 0. 6 = 1. 5 x + 5. 72 = 10 5x - 15 = 25 46 4年级下B 参考答案 口快了 结束时间 时 分-开始时间 时 分-做题时间 分 比上次☐慢了 分 第49页 第56页 口算能力提升 口算能力提升 509029.71.2513.3 1.08109.65.4 1.860.01921.323 30.980.0650.39 0.1020.483.7462.5 6.422.880.80.96 56.513.26.427.2 2.71,361.129.6 0.0545.58111.458 0.18102.130.42 0.31518.919.360.444 6.391780.88872.9 187.50.0641.0551.2 5.085.883.120.756 1.520.427.52.1 7.527.531.279.2 0.4421.6514.4 86.40.00920.72 15.513.20.443,6 39.28001.727.35 解方程提升 竖式计算提升 x=15x=15x=7.2 x=40x=1.5x=2.9 15900.150.801 x=0.8x=27.2xm1.2 解方程提升 第50页 x=18.7x=6星=5 口算能力提升 第57页 421.69.842.25 6.1216.2168.96 口算能力提升 0.2250.54104.32 3.25450.5225 0.2160.0841.3 4.210.4316.5 14.45.80.3150.567 969.31.250.304 8.80.60.149.8 11.26.11.81.7 0.47212.614.710.08 110.70.86472.326.8 12.83.40.163.3 43.210.951 3.2346.371.20.52 0.5070.027 4.253.72 1.842.8810.290.7 7.51.6210.25 解方程提升 5.441.361.6482.6 1.952.340.7047.2 x=235.2x=5x=168 x=12x=15x=3.2 竖式计算提升 =24x=5x=3.1 6.491.2144.63 第51页 解方程提升 口算能力提升 x■2.7x=34x=5 3.15482,5911.7 49.61.9514 第58页 7.613.21.980.9 0.3240.57.28 口算能力提升 21.20.3714.526 11.20.61.6617.5 0.53120003.85 0.013.43212.6 6.6651.84216.48 23.56.20.1963.6 97.20.10810.10.46 2812.813.2180 1.240.22.8814 50.058101.92 61.331100.082 2.70.0124.860.525 解方程提升 0.646.65.76153 4.297.21.663.09 x=5x=6x=5 x=3x=8x=8 第52页 1.050.750.0780.52 15.255.237528.8 口算能力提升 解方程提开 30.60.96320.824.8 2.335.4152.5 ￥=10x=5.3x=9 0.90.00820.84.55 43.44.481.981.25 简便计算提升 0.530.1275.614.4 2.3351.272.3 33.835143021.78 4.560.0481.6217.28 2.580.872.5659.29 第59页 0.90.1251.680.007 0.05217.51.62.009 口算能力提升 解方程提升 1.70.045.0.00360.04 2.92973.040.32 =4x=6=0 x=3x=17x=4 116.2701 0.470.0720.26.02 第53页 53.2610.51.29 1.87.20.140.6 口算能力提升 0.910.5220011.52 2.669.9%1.514 1.040.722880.7 15249.443.60.155 0.62.8830.6144 0.829.42.568.8 5.2560.0376.5 9.7280.9637.8 竖式计算提升 23.517.281.641.2 3.127635.238.8 0.834.12.2 22.80.06940 6.30.92.2215.3 解方程提升 16.241.9212.29.76 0.0720.0752.1618.8 x=46.2x=32,4y=7 解方程提升 第60页 x=6x=13x=10 x=9x=5x=I5 口算能力提升 第54页 24.160.10.040.3 1.280.086.21.21 口算能力提升 0.60.1612.314.07 138.1129,6 0.4899058.83.38 7.70.3620.480.324 1.20.610.8 1.28110.993 20.41.32193.57 195.5825.110.28 1.560.620.32.3 11.754.3824.30.564 9,98.280.642.52 8.80.841.567.84 18.83.259.1416.5 1425.23.7838 160.720.843.92 2.82.791.4310.8 解方程提升 25.636411.926.4 1.51.1526.124.8 x■9x=8车■25 解方程提升 简便计算提升 x=11.5x=106x=24 x=16.3x=8x=3 1.469.6521.3 第55页 第61页 1.72.092000.923 62.160.02177.5 口算能力提升 4.20.531127.50.55 27.682.41639 3.662.063.6912.02 1500.10.24 82751.988.4 5.44.322.561 0.750.185.60.082 0.45818.551.2 12.31.28103.12 02.4320.960.645 40.21.20,633.5 0.540.650.277.2 2.x=3x=2=8 x=2.97x=27.7x=4 2.943.63.2518 46.60.12536 3.2419.62676.7 79.82.320.56415 289.9752.55 口算批改订正吧 年月 日第 天打卡 77 4年级下B 参考答案 口快了 结束时间 时 分-开始时间 时 分-做题时间 分 比上次□慢了 竖式计算提升 9.990.035.411,2 540.15.56 3.8924.4163.5 280.5.2.51.62 0.260.665.23.9 解方程提升 竖式计算提升 x=9x=2y=4 4.0960.78890.2016 第62页 简便计算提升 口算能力提升 1683610.1 0.541.23.21.1 90.054160.08 第68页 68.40.645 3.299.9361.1 口算能力提升 4.680.94.90.96 1.72.3434.2 28.82.468 4.44.475.697.2 17.50.65.0.2718 16.45.25.6284.96 3360.8410502 28.81.141.79.45 2.43.45043.2 5.411.63.750.48 23.40.37721.4 0.6892.287.3 解方程提升 13240.950 1.521.625.82.22 x=5.3x=9x=45 73.612.42.884.88 0.610192.52 脱式计算提升 竖式计算提升 13.2717.390.49 16.652.94241.9456 第63页 解方程提升 口算能力提升 x■19.1x■12x■3 4.22.124.50.44 5.70.066.256.4 第69页 1.250.320.491.68 11.350.032.08 口算能力提升 5.2717.61.22 0.843.0618.817 2.80.8753819.2 1.0821.70.721.44 15.311100.75 18100.410.4 20.81061.428 3.2891.123.75 0.120.9162.59.4 12.23.721.460.156 1.6353.53.99 6.40.5615005 32.160.8961.082.5 0.25124.110.8 解方程提升 0.841259.60.102 34.81.561.2320 x=94.7x=4x=7 解方程提升 简使计算提升 x=35.3x=4.32x=5 10.171361010 脱式计算提升 第64页 0.298860111.23 1.4.51.0247.56.45 619.80.27.28 第70页 3,410.512.818.4 42.21.11.05 口算能力提升 2.158.0210.81.656 60.8140.380.088 0.93.2、1.212.4 2.38.029.6890.72 40.01118.6 19.24.62116.84 3.0.4916.4118.12 0.9100.755.2 2.340.3632.59.7 4.x=16y=35x=1860 x=0.9 x=4.28x=8 0.39121.089.9 3.48073.3 第65页 02.5284.658 2.39.381.612 口算能力提升 竖式计算提升 2251.750.84.35 0.2490.0360.541.04 1.245144.15100.98 0.150.05101,75 18.053.3450.71.5 解方程提升 43.28.42.0650 3.5725.293.84 x■21,3x=25,12x■6 13.64.29.76.9 5.42260.44 第71页 15.93.6581500 8.420.960.408 口算能力提升 经式计算提升 32253.124.2 2.960.821857.6 3.8711.9410.68 2.766.22.381.18 20.10.3975.61.08 解方程提升 1.680.0570.372135 7220.915.6356.7 x=7.2x=2.9x=2 189162.70.84 3014.82.1910 第66页 62.252.723.3 8.17,220.80.09 口算能力提升 数式计算提升 31.20.25110.9 1.98.410.91.56 7.6145.8520.2 0.083.690.04599.9 1.50.30.544.5 解方程提升 2.810016.80.06 621.647.56.4 x=1.6x=9米=5 10.63.041.44513.7 0.8510.81.1281.13 第72页 1.043.652.621,85 6.9663.233.72 口算能力提升 经式计算提升 170.233.6370.7 0.0351.63.871.5 233.970.20720.6468 1.323974.42.6 130.92.25 简使计算提升 50.48.380.5 24.311.46.19.9 4899 42513.8271.3 3.310.22.1422.52 第67页 2.80.1192.25 3.64.11.440.099 口算能力提升 解方程提升 29.78.160.9629.4 1160.6312.5 x=0.375x=62x=4 25.440.80.12 38.41.21.5420 脱式计算提升 1.268.11,449 3.60.10.03214,4 75.9915.8521.7 年月日第 天打卡 78 订正吧