五上数学《小数乘法》计算每日一练

五上数学《小数乘法》计算每日一练（第1天）一、口算题(共20道)0.2×3=0.61.2×2=2.40.3×0.2=0.060.4×0.3=0.120.5×6=33.1×2=6.21.1×0.3=0.332.2×0.2=0.440.4×5=20.8×3=2.40.5×0.5=0.250.2×0.6=0.120.7×4=2.80.6×5=30.8×0.4=0.320.9×0.5=0.452.1×3=6.31.5×4=60.7×0.1=0.071.3×0.2=0.26二、竖式计算题(共3道)3.2×4=12.83.2×412.85.8×6=34.85.8×934.80.75×8=60.75×86.00三、简便计算题(共9道)2.5×3.7×0.4=2.5×0.4×3.7=1×3.7=3.71.25×5.6×0.8=1.25×0.8×5.6=1×5.6=5.64.8×99+4.8=4.8×(99+1)=4.8×100=4803.6×101=3.6×(100+1)=3.6×100+3.6×1=360+3.6=363.60.25×44=0.25×(40+4)=0.25×40+0.25×4=10+1=111.25×32×0.25=1.25×8×4×0.25=(1.25×8)×(4×0.25)=10×1=107.2×4.8+2.8×4.8=4.8×(7.2+2.8)=4.8×10=485.6×1.9-0.6×1.9=(5.6-0.6)×1.9=5×1.9=9.51.25×4.7×0.8=1.25×0.8×4.7=1×4.7=4.7五上数学《小数乘法》计算每日一练（第2天）一、口算题(共20道)1.2×5=61.5×0.6=0.90.8×0.6=0.484.1×0.2=0.823.2×2=6.41.02×3=3.060.3×0.8=0.240.1×0.8=0.081.4×3=4.20.22×4=0.881.4×0.2=0.280.6×0.3=0.180.45×2=0.90.24×3=0.722.2×0.3=0.661.3×0.3=0.391.6×4=6.40.72×3=2.160.1×0.2=0.021.8×0.4=0.72二、竖式计算题(共3道)2.45×3=7.352.45×37.350.36×1.5=0.540.36×1.5180360.5404.8×0.25=1.24.8×0.25240961.200三、简便计算题(共9道)0.25×7.8×4=0.25×4×7.8=1×7.8=7.82.5×1.6×0.4=2.5×0.4×1.6=1×1.6=1.60.125×9.6×8=0.125×8×9.6=1×9.6=9.69.8×2.5=(10-0.2)×2.5=10×2.5-0.2×2.5=25-0.5=24.510.2×3.6=(10+0.2)×3.6=10×3.6+0.2×3.6=36+0.72=36.725.4×102=5.4×(100+2)=5.4×100+5.4×2=540+10.8=550.86.7×99+6.7=6.7×(99+1)=6.7×100=6709.3×101-9.3=9.3×(101-1)=9.3×100=9303.2×4.6+6.8×4.6=4.6×(3.2+6.8)=4.6×10=46五上数学《小数乘法》计算每日一练（第3天）一、口算题(共20道)0.35×2=0.70.33×3=0.990.4×0.4=0.162.6×0.3=0.781.8×2=3.60.36×2=0.721.1×0.8=0.883.4×0.2=0.682.5×3=7.50.81×2=1.622.4×0.4=0.960.8×0.3=0.240.16×5=0.82.04×2=4.083.2×0.2=0.642.8×0.1=0.282.5×0.4=11.11×2=2.220.7×0.4=0.284.5×0.3=1.35二、竖式计算题(共3道)3.06×0.5=1.533.06×0.51.530.94×2.5=2.350.94×2.54701882.3505.28×1.4=7.3925.08×1.420325087.392三、简便计算题(共9道)8.5×2.3-5.5×2.3=2.3×(8.5-5.5)=2.3×3=6.90.25×48=0.25×4×12=1×12=121.25×16=1.25×8×2=10×2=208.9×98=8.9×(100-2)=8.9×100-8.9×2=890-17.8=872.24.8×0.25=(4+0.8)×0.25=4×0.25+0.8×0.25=1+0.2=1.23.5×10.1=3.5×(10+0.1)=3.5×10+3.5×0.1=35+0.35=35.352.5×36=2.5×4×9=10×9=900.125×72=0.125×8×9=1×9=91.25×2.4×0.5=1.25×(2.4×0.5)=1.25×1.2=1.5五上数学《小数乘法》计算每日一练（第4天）一、口算题(共20道)1.05×2=2.10.48×2=0.960.9×0.2=0.180.2×0.3=0.061.25×4=50.92×4=3.680.2×0.9=0.180.7×0.7=0.490.15×6=0.93.5×0.2=0.71.5×0.5=0.751.9×0.3=0.570.65×2=1.30.28×3=0.842.4×0.2=0.482.7×0.2=0.541.75×2=3.51.6×0.5=0.83.6×0.1=0.363.8×0.1=0.38二、竖式计算题(共3道)6.15×0.8=4.926.15×0.84.922.7×0.36=0.9722.7×0.36162810.9720.85×0.12=0.1020.85×0.12170850.1020三、简便计算题(共9道)2.5×0.8×1.9=(2.5×0.8)×1.9=2×1.9=3.80.25×1.2×0.4=(0.25×0.4)×1.2=0.1×1.2=0.121.25×0.32×0.8=(1.25×0.8)×0.32=1×0.32=0.327.8×0.99=7.8×(1-0.01)=7.8×1-7.8×0.01=7.8-0.078=7.7222.4×99.9=2.4×(100-0.1)=2.4×100-2.4×0.1=240-0.24=239.765.6×100.1=5.6×(100+0.1)=5.6×100+5.6×0.1=560+0.56=560.564.5×0.4×2.5=4.5×(0.4×2.5)=4.5×1=4.57.2×1.01-7.2=7.2×(1.01-1)=7.2×0.01=0.0723.8×99+3.8=3.8×(99+1)=3.8×100=380五上数学《小数乘法》计算每日一练（第5天）一、口算题(共20道)0.55×4=2.20.5×0.2=0.10.1×0.5=0.050.5×0.3=0.150.09×3=0.272.5×0.2=0.53.3×0.3=0.990.6×0.4=0.241.4×0.5=0.70.08×4=0.320.6×0.6=0.360.4×0.6=0.240.5×0.8=0.42.12×2=4.241.2×0.6=0.721.2×0.3=0.366×0.7=4.20.9×0.9=0.811.7×0.2=0.342.1×0.2=0.42二、竖式计算题(共3道)1.85×2.4=4.441.85×2.47403704.4400.48×3.2=1.5360.48×3.2961441.5367.2×0.18=1.2967.2×0.18576721.296三、简便计算题(共9道)6.4×2.9+3.6×2.9=2.9×(6.4+3.6)=2.9×10=2910.8×3.5-0.8×3.5=3.5×(10.8-0.8)=3.5×10=352.7×0.9+7.3×0.9=0.9×(2.7+7.3)=0.9×10=94.2×98+8.4=4.2×98+4.2×2=4.2×(98+2)=4.2×100=4209.5×101-95