小数乘法和除法练习题[1]

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小数乘除法简便运算分类练 习[1]

小数乘除法简便运算分类练    习[1]

小数乘法简便运算分类练习题一、乘法交换律0.25×8.5×4 12.5×0.96×0.80.25×0.73×4 0.25×16.2×4二乘法结合律4.36×12.5×8 0.95×0.25×435×0.2×0.5 0.75×50×0.4三、乘法分配律(1.25-0.125)×8 (20-4)×0.25 (2+0.4)×5(125+2.5)×0.84、 乘法分配律逆应用3.72×3.5+6.28×3.5 15.6×2.1-15.6×1.1 3.83×4.56+3.83×5.447.09×10.8-0.8×7.09 27.5×3.7-7.5×3.73.9×2.7+3.9×7.310.6×0.35-9.6×0.35 7.6×0.8+0.2×7.6五、把其中一个因数分成两个数的和或差,再按乘法分配律0.8×100.1 0.79×99 0.85×1993.65×10.14.6×0.9 0.65×101 4.8×10.1 3.6×102 0.39×199 8.9×1.01 0.32×4033.65×10.10.85×9.9 0.65×101六、拆分因数1.25×2.5×323.2×0.25×12.5 0.25×36 25×4.4 8.8×1.25七、添加因数“1”56.5×99+56.5 9.7×99+9.7 4.2×99+4.25.4×11-5.41.87×9.9+0.187 12.7×9.9+1.27八、更改因数的小数点位置6.66×3.3+66.6×67 46×57+23×86 4.8×7.8+78×0.523.14×0.68+31.4×0.032 101×0.87-0.91×87 3.65×4.7 -36.5×0.372.3×16+2.3×23+2.3 314×0.043+3.14×7.2-31.4×0.15九.除法运算性质a÷b÷c= a÷(b×c)320÷1.25÷8 3.52÷2.5÷0.4 9.6÷0.8÷0.4 63.4÷2.5÷0.4 8.54÷2.5÷0.410. 除法运算性质逆运算a÷(b×c)= a÷b÷c3.9÷(1.3×5) 15÷(0.15×0.4)75.3÷(7.53×20) 48÷(0.48×0.5)十一、综合练习题5×1.03×0.2 32×1.25 0.45×9953×10.10.125×96 12.5×10.8 25×7.3×0.445×21-50×2.145×1.58+5.5×15.8 4.2×6.51+3.49×4.29.99×2.22+3.33×3.34一、加法中的巧算1. “凑整法” 如:1+9=10,3+7=10, 2+8=10,4+6=10, 5+5=10。

五年级小数乘除法口算练习题(5篇范文)

五年级小数乘除法口算练习题(5篇范文)

五年级小数乘除法口算练习题(5篇范文)第一篇:五年级小数乘除法口算练习题小数乘除法口算练习1.5×4=2.5×4=0.13× 4=5.4÷10=0.18×0.3=4.2×1000=0.45÷0.15=3.6÷0.1=8.5×100=8.5÷ 1.7=3.2÷100=1.2÷0.3 =0.49÷7=0.04×25=0.096÷0.03=84÷4.2= 1000×0.756= 0.5×100= 0÷0.25= 1÷0.01=1.25×8=3.8×2=7.2÷0.9=9.3÷0.3= 4÷0.4= 0.45÷0.5= 0.2÷0.01= 0.92.1×0.3=7×0.08=1.87×0=0.2×0.5= 60×0.5= 0.05×1.6=0.5×1.1=0.8×0.5=1.25×4= 4×0.25= 0.4÷8= 1.8×0.5= 8÷0.5= 0.32÷16=2.5÷10= 6.3÷2.1= 0.924= 80÷1.6= 6.2+1.7= 0.56÷14= 1.66.3÷9= 0.15×8= 7.2÷0.6= 4.2÷1.4=3.9÷3.9= 0÷6.81= 1.47×0.4= 0.4×0.25=0.8×7= 1.5×7= 1.32×8=0.7×8=10.3×2=5×0.6=3.21×23= 3.21×2.3=32.1×2.3=32.1×0.23= 3.21×0.23=321×0.023=0.9×0.3=3.5×0.2=2.01×0=10×0.05=0.13×7=0.21×100=0.7×4=0.05×4=4×0.3=12.5×8= 2.3×4= 3.25×0=0.4×50=30×0.1=2.6×3=4.1×2=0.35×0.2=7.5×0.1=0.9×0.3=1×0.06=9×0.5=1.25×8=1-0.73=0.6×8=2.05×100=0.04×0.3=0.4×0.25=1.25×8=1.6×5= 0.9+1.4=0.2×0.4=8.2+1.8=100-35.22=2.5×0.4=2.4×5=0.22×4=0.9-0.52= 3.99×1=0×3.52=1.6×0.2=×6=0.24×5= 6÷0.12= ÷÷0.8=7.2÷6=4.4÷4=3.6÷3=5.2÷2=1.5×3=1.2×0.4=3.6÷3=2.7÷3=0.12÷3=0.45÷9=3.6÷6=2.7÷2=1.2÷3 =0.45÷4=2.5÷5=8.4÷7=0.34÷17=2.5÷0.5=8.4÷0.7=0.34÷0.17=30.4÷4=1.2×6=0.72÷0.6=2.6÷1.3=0.6×0.3=0÷3.65=7.82÷1 =1.4÷0.7=3.6÷0.06=5.6÷0.9=0.48÷0.8=4.4÷0.11=4.2×3 =0.3÷0.01=40.9÷0.45=9.63÷4=8.13.6+6.3=0.051-0.08= 3.53.9+0.39=4.86.4÷4﹦ 1.52.5×2= 0.5×10= 0.6×8= 2.1×2=2.8×10= 0.7×0.8= 0.04×20= 5.6+0.4=4.7+2.3= 4.5×2= 6.9-2.5= 7.2×0.8= 6×3.4= 0.62-0.32= 1.4×0.5= 0.75×100=0.02×0.5= 3.6×0.3= 0.75÷0.25= 0.125×8=4.8÷0.3= 0.86÷2=0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.7×9=3.6÷24= 0.8×1.1= 7.2+12.8= 46.7-12.8÷4=5.2÷13=12.5÷5= 1.64+4.1=10÷20= 3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=0.56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=0.22×102= 9.6÷0.8= 5×0.24= 4.5-3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=4.8×0.5= 2.8+7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=0.56÷0.8= 7.4- 2.8= 0.18÷0.2= 0.16÷8=4.5×0.02= 8+7.2= 1.2×30= 0.012×0.2=7.3×0.3= 0÷6= 3.6÷0.12= 7.8÷0.6=2÷5= 4.510.5×0.4= 7.3+0.27= 8×0.125= 0.54÷0.6=0.61+0.39= 0.56÷28= 10÷20= 4.08÷0.4= ÷0.5=5.1÷0.17=÷16=1÷0.01 =÷9=2.5×4=×4=3.5×0=×0.01=1.25÷0.25=+5.2=0.5×0.4 =÷0.3﹦4.2×3﹦6.3÷7= 5.6×100=3.8= 24÷15= 8.65×10= 0.35×0.6=13=0.05= 4.2= 0.84÷2.1= 5÷0.25=+5= 0.3÷0.6= 0.96÷0.2=10-9.4= 0.8×0.11= 7.2+12.8= 5.6÷0.01= 2.3×100= 0.75×100= 0.108÷2= 10.8÷9= 7.8÷0.01= 5.4÷0.6= 3÷5= 7×0.62= 12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100= 0.41+3.7= 0.02×0.5= 7.2-0.8= 1.4×0.5= 84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2= 1.75+32.5= 16-5.07= 5.2÷13= 1.64÷41= 1.02×0.2= 0.26×0.3= 8.4×0.02= 1.2×6= 0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21= 0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2= 1.24×4= 3.27+0.63= 5.02×0.3= 0.3×0.5= 5.6÷7= 72÷ 7.2= 0.7÷0.35=0.7÷1.40.48÷0.04= 1.25÷2.5= 5.5+5.5= 16.8÷8=0.54+2.2= 3.51.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.46.5+52.5= 0.45×102= 1.25×88= 2.64+8×1.25= 7÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=0.27÷0.3= 2.5×101= 0.65×101-0.65= 2.6×7÷2.6×7=0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=7.8÷0.01= 5.4÷0.6= 1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=2.5×2= 0.5×10= 0.6×8= 2.1×2=0.61+0.39= 0.56÷28= 10÷20= 4.08÷0.4= 1.2×0.3 = 6.6÷1.1 = 4.9÷7= 0÷0.48=-0.05= 2÷0.02= 0.25×40= 1=3.85+1.54=3.2÷5= 7×0.62=第二篇:五年级上册数学小数乘除法口算练习题小数乘除法口算练习班级姓名1.5×4=2.5×4= 0.13× 4= 5.4÷10= 0.18×0.3= 4.2×1000=3.2÷100= 84÷4.2= 1.25×8= 4÷0.4= 7×0.08= 1.870.05×1.6= 0.54×0.25= 0.42.5÷10= 6.30.56÷14= 1.64.2÷1.4= 3.9 0.45÷0.15= 1.2÷0.3 = 1000×0.756= 3.8×2= 0.45÷0.5= ×0= 0.24×1.1= 0.8÷8= 1.8÷2.1= 0.92÷0.8= 6.3÷3.9= 03.6÷0.1= 0.49÷7= 0 0.5×100= 7.2÷0.9= 0.2÷0.01= 0.9×5= 0.2×0.5= 6×0.5= 8÷4= 80÷9= 0.15÷6.81= 8.5×100=.04×25= 0÷0.25= 1.6×0.2= ×6= 2.1×0.5= 60÷0.12= 1.25÷0.5= 0.32÷1.6= 6.2×8= 7.21.47×0.4= 0.48.5÷ 1.7= 0.096÷0.03= 1÷0.01= 9.3÷0.3= ×0.3= ×0.5= ×4= ÷16= +1.7= ÷0.6= ×0.25=第三篇:五年级上册数学小数乘除法口算练习题/ 1小数乘除法口算练习姓名1.5×4=2.5×4= 0.13× 4= 5.4÷10= 0.18×0.3= 4.2×1000=3.2÷100= 84÷4.2= 1.25×8= 4÷0.4= 7×0.08= 1.870.05×1.6= 0.54×0.25= 0.42.5÷10= 6.30.56÷14= 1.60.45÷0.15= 1.2÷0.3 = 1000×0.756= 3.8×2= 0.45÷0.5= ×0= 0.24×1.1= 0.8÷8= 1.8÷2.1= 0.92÷0.8= 6.33.6÷0.1= 0.49÷7= 0 0.5×100= 7.2÷0.9= 0.2÷0.01= 0.9×5= 0.2×0.5= 6×0.5= 8÷4= 80÷9= 0.158.5×100=.04×25= 0÷0.25= 1.6×0.2= ×6= 2.1×0.5= 60÷0.12= 1.25÷0.5= 0.32÷1.6= 6.2×8= 7.28.5÷ 1.7= 0.096÷0.03= 1÷0.01= 9.3÷0.3= ×0.3= ×0.5= ×4= ÷16= +1.7= ÷0.6=第四篇:五年级数学小数除法口算练习2.4÷0.85.4÷100.45÷0.153.6÷0.13.2÷1008.5÷ 1.71.2÷0.30.49÷0.7 0.096÷0.0384÷4.20÷0.251÷0.017.2÷0.99.3÷0.34÷0.40.45÷0.5 0.2÷0.011.4÷0.51.55÷0.53.15÷0.71.86÷0.21.04÷0.80.38÷0.11.36÷0.2 1.16÷0.40.12÷0.60.27÷0.90.48÷0.28.73÷0.90.72÷0.30.46÷0.10.22÷0.2 3.45÷0.54.62÷0.61.92÷0.40.9÷0.5.11÷0.70.35÷0.13.92÷0.84.32÷0.9 0.24÷0.83.15÷0.70.98÷0.71.8÷0.61.76÷0.42.64÷0.47.56÷0.90.125÷5 0.24÷0.20.4÷0.010.57÷190.7÷0.010.9÷0.010.9÷0.15 0.96÷0.03 0.96÷0.3 0.96÷31.08÷0.41.1÷0.51.28÷3.21.47÷0.7 1.55÷3.9 1.84÷0.2 1÷0.5 10.1÷3.310.75÷1.25 10÷2.510÷25100÷1.2512.3÷0.03 2.4÷0.22.4÷2 12÷0.3120÷0.24123÷1.23128÷0.415.4÷0.4 15÷0.0615÷1.516.2÷0.06 19.6÷219.6÷419.76÷5.22.17÷0.72.7÷7.52.87÷0.720.8÷0.221÷1.43.2÷0.043.2÷1.624÷0.2424÷2.436÷0.636÷3.639÷0.0034.2÷0.14.8÷0.64.8÷64÷0.841.8÷0.2492÷0.45.05÷0.55.2÷0.55.22÷0.29 5.98÷0.23 54.5÷0.9 54÷0.126.3÷217.5÷27.5÷57.56÷0.367.8÷0.038.4÷0.84 8.4÷4.28.6÷0.0028.6÷0.439.6÷0.39.6÷0.6 = 9.6÷3.29.6÷30.48÷64.6÷2314×0.56.8÷45.2÷1312.5÷50.12×58÷0.56.3÷2.10.92÷46÷1.20.4÷884÷0.040.49÷0.76.3÷3.196÷0.61.8×0.50.05×4 013.2÷633.5÷52.5×40.13× 45.4÷100.18×0.38.5÷ 1.73.2÷1001.2÷0.30.49÷70.5×1000÷0.251÷0.011.25×84÷0.40.45÷0.50.2÷0.01 0.9×60.2×0.5 60×0.50.05×1.6 0.5×1.10.4÷8 1.8×0.5 8÷0.5 0.32÷166.2+1.7 0.56÷14 1.6÷0.8 6.3÷9 1.2×50.7×0.01 2.5×0.4 1.25×8 2.5÷0.5 6.45÷0.01 0.36÷0.03 0.08÷0.01 0.75÷0.52.6÷2 9.6÷4.8 1.5÷216.9×0.3 2.37+6.3 2.37+3.72.5×1.25 2.3×0.15 4.39×10 0.1×4.39 0.7×23 13.95÷3.113÷4133÷.0.715.1÷0.05 ÷0.13 16÷1.618.63÷0.03 18.72÷3.6 2.2÷0.112.5÷0.52.5÷0.72.7÷4 22.8÷3246.4÷13 25.8÷626÷0.13 81÷796÷1.232÷0.436÷0.18 4.2÷3.5329÷64.5÷0.05 4.6÷0.023 42÷0.345÷0.546÷0.2348÷0.6 5.4÷65.5÷0.555.6÷77.4÷0.02 6.6÷0.03 6.6÷0.66 64.32÷1665÷0.05 7÷0.2572.8÷0.878÷0.0678÷0.6 8.6÷28.8÷2.28÷1081÷0.039.8÷0.79÷0.590.75÷3.31.2÷30.72÷120.7×1.10.72÷49.6÷60.32÷160.5×1.10.5+0.141.25×4 7.6-3.8 6.8÷1.70.56÷142.4÷0.61.55÷0.50.35÷0.0736÷1.24.8÷33.6÷180.54÷2.71.5×40.16×5 4.2×1000 0.45÷0.153.6÷0.18.5×100 0.04×25 0.096÷0.0384÷4.21000×0.756 3.8×2 7.2÷0.97×0.08 1.87×0 0.245÷5 0.8×0.5 6÷0.12 1.25×44×0.25 2.5÷106.3÷2.1 0.92÷4 80÷1.6 0.15×87.2÷0.66.6×0.61.78×2 5.37×5 9.6×0.63.9×7 53×2 0.01÷0.2 7.5÷2.58.8÷2.2 0.96÷6 2.4÷2 6.4—4 0.6÷355×3 4.4×25 2.64×5 3.8×10.1 0.98×0.7 0.47×0.7 0.7×0.57 1.21×30.78×516.9= 5.3×4.2= 5.24×0.99= 10.65×0.22= 1×0.125= 0.125×11= 12 ×0.03= 3 ×0.121= 8.6 × 0.7= 7.6 ×16.73×2.5 8.53×0.99 18= 1.4 × 15=五年级数学上册口算题卡小数乘法计算(2)0.1 ×0.2= 3.57 × 5= 4.2 × 0.1= 99 ×0.35= 0.05 ×0.8= 1.23 × 3= 0.36 ×12= 1.7×5 5.8×0.29 5.8×2.9 8.6×18 1.42× 7.3×0.43= 1.2 × 0.4= 7.5 × 2.5 × 4= 0.4 ×1.3= 5.43 × 0.86= 0.85 ×1.01= 5.29 ×2.3= 0.1 × 0.01= 0.28 ×35= 4.68 ×1.25= 25.7 ×3.29= 6.71 × 25.7= 6.5 ×56.5= 1 × 0.85= 4.73 × 3.9= 47.3 ×39= 47.3 ×0.39= 0.473 × 0.39= 2.4 × 5= 1 ×1.25= 0.45 × 0.09= 6.2 ×0.03= 9 ×0.18= 0.25 × 16= 0.125 ×0.125= 0.7 × 8= 9.9 × 2.5 × 4= 3.05 × 4= 6.8 ×2= 1.05 × 0.1= 4.2 ×21= 5.64 —2.1= 1.25 × 80= 17.5 × 7.5 × 2= 0.77 ×1.1= 1.2 —0.08=五年级数学上册口算题卡小数的加减乘除法混合运算(6)0.5 -0.35 ÷ 0.7 = 0.7 -0.09 ÷ 0.3 =0.8 -0.2 ÷ 0.4 = 7 -0.35 ÷ 0.5 =6.3 ÷ 0.9 - 0.6 =0.18 ÷ 0.2 - 0.3 =5.4 ÷ 0.9 - 0.2 =2 ÷ 0.4 - 0.4 =1.5 ÷ 0.3 - 0.4 =0.42 ÷ 0.6 - 0.4 =0.9 -0.42 ÷ 0.6 = 0.2 -0.08 ÷ 0.4 =0.4 ÷ 0.5 - 0.2 =1.6 ÷ 0.2 - 0.6 =0.42 ÷ 0.7 - 0.2 = 8 -0.06 ÷ 0.3 =0.5 -0.12 ÷ 0.3 = 0.4 -0.12 ÷ 0.6 =0.9 -0.12 ÷ 0.2 = 5 -0.25 ÷ 0.5 =-0.1 ÷ 0.5 = 8 - 0.32 ÷ 0.4 =-0.12 ÷ 0.3 = 0.4 -0.04 ÷ 0.2 = 6.43 - 1.43 + 2.33 = 7.64 - 2.64 + 13.3 =×(3.5 + 1.5)=(0.5 +4.3)× 0.2 =五年级数学上册口算题卡小数的加减乘除法混合运算(7)0.08 × 0.125 × 0.8 =0.5 × 0.2 × 0.2 =8.31 - 0.49 - 7.31 = 7.01 + 6.3 - 0.31 =7.63 - 4.54 - 0.46 = 8.51 - 4.51 + 6.57 =5.32 - 1.32 +6.83 =0.02 × 0.5 × 0.2 =8.64 - 2.64 + 2.24 =2 × 0.3 +2 × 2.2 =5.01 + 0.4 - 0.08 = 72.2 - 32.2 - 0.4 =7.13 - 6.38 - 0.62 = 5.43 - 1.43 + 31.2 =0.04 × 0.25 × 0.5 =5 × 0.2 × 0.2 =8.15 - 0.61 - 2.15 = 7.65 - 1.65 + 76.2 =0.04 × 0.25 × 0.8 = 61.2 - 0.7 - 59.3 =8.55 - 7.62 - 0.38 = 4.21 - 1.21 + 4.73 =(3.5 +2.3)× 0.2 = 65.8 - 3.3 - 36.7 =0.2 × 0.005 × 0.9 =0.2 × 0.005 × 0.2 =4.53 - 0.07 - 0.93 = 7.93 -5.93 - 0.36 =五年级数学上册口算题卡小数的加减乘除法混合运算(8)4.3 × 0.3 + 4 =1.6 × 0.5 + 6 =2 × 3.5+3= 4.7 × 0.2 + 2 =6 × 0.9 + 8.8 =5 × 0.7 +5.4 =2.2 × 0.2 + 6 =9 × 0.8 + 8.2 = 1 +0.8 × 1.1 =3.4 × 0.3 + 3 = 7 +0.7 × 1.5 =7.7 × 0.5 + 8 =6.8 × 0.3 + 5 = 6 +0.9 ×7.5 =5 × 0.8 + 4.4 =+0.9 × 5.1 =3 × 0.9 + 1.4 =5 × 0.9 + 4.6 =9.4 × 0.1 + 7 =8.7 × 0.5 + 1 =4 × 0.8 + 7.4 =4.6 × 0.3 + 1 =1 × 0.6 + 3.2 =3.5 × 0.3 + 7 =+0.7 × 4.7 =2.1 × 0.4 + 2 =3 × 0.7 + 1.6 =+0.7 × 8.3 = 2 +0.6 × 8.5 =4.7 × 0.4 + 7 =3.5 × 0.3 + 4 =2.8 × 0.2 + 6 = 5 +0.8 × 3.1 =+0.7 × 5.1 =4.4 × 0.3 + 4 =6 × 0.7 + 8.4 =+0.9 × 3.5 =2.5 ×4+0.125= 1.25 × 8-0.5= 10 ÷4+0.5= 10 ×0.12-0.12= 0.36 ÷ 0.3+1.8=五年级数学上册口算题卡五年级数学口算综合一3.4 -1.4= 7.82 -7.2= 2.19 + 9.1= 10.1 -0.89= 0.68 +0.42= 8.1 -5.1= 0.728 -0.24= 0.8 +0.18= 0.89 - 0.25= 1 -0.98= 0.048 +0.52= 5×400= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10=75÷10=0.96÷0.8= 0.8×7=1.5×7=1.32×8=0.7×8=10.3×2=5×0.6=0.9×0.3=3.5×0.2=2.01×0=10×0.05=0.13×7=0.21×100=0.7×4=0.05×4=4×0.3=430-250= 0.17+0.06= 1.02-0.09= 7200÷800= 0.17+0.6=0.83-0.6= 17×300= 0.98-0.09= 0.2+0.78= 600×700= 10.2+0.02= 0.15+0.7=五年级数学上册口算题卡五年级数学口算综合二670+250= 0.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3= 25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= 0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250= 3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3= 630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53= 9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= 23×100= 9.8-4.8= 480÷40=0.53÷100= 5.1+2.3= 125×80= 0.078÷10= 0.52+0.4= 70×12=五年级数学上册口算题卡五年级数学口算综合三0.25×100= 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 0.5×1000= 7.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000= 2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8= 3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= 3.7+0.33= 0.51+0.33= 1-0.6= 1.2+3.6= 0.175 +0.0225= 8 ×0.125= 5.6 + 3.8= 0.62 -0.32= 0.02 ×0.5= 0.75 ÷ 0.25= 16.8 ÷4= 0.04 ×2.5= 0.25 × 8= 5.9 -2.5= 0.1 +0.01= 0.125 × 8= 3.08×0.01=4.95×1000= 6.9×0.1=第五篇:小数乘除法教案doc一、小数扩大或缩小规律:1)在乘法里,一个因数不变,另外一个因数扩大(或缩小)a倍,积也扩大(或缩小)____倍。

小学数学小数的乘除运算练习题

小学数学小数的乘除运算练习题

小学数学小数的乘除运算练习题一、基础练习题1. 计算下列各题:(1) 3.2 × 4(2) 5.6 × 2.5(3) 1.8 × 0.5(4) 7.2 × 0.32. 计算下列各题:(1) 12 ÷ 3(2) 15 ÷ 2.5(3) 5.4 ÷ 1.5(4) 9÷ 3.6二、综合运用题1. 小明买了一些苹果,每个苹果的重量是0.4千克,他一共买了3.2千克的苹果。

请问他买了多少个苹果?2. 一桶汽油的容量是40升,小华用了0.8升的汽油。

请问他用了这桶汽油的几分之几?3. 小红在超市买了一些玩具,每个玩具的价格是2.5元,她带了8元去买。

请问小红可以买几个玩具,还剩下多少钱?4. 小明去售楼处了解房子的价格,他看到的一栋房子的报价是48万元。

他可以用他家的存款的四分之一来支付首付款,请问首付款是多少万元?5. 小明用绳子测量了一条长方形的边长,测得一条边的长度是3.6米。

整个长方形的周长是18米,请问另外三条边的长度分别是多少米?三、解答题1. 小明爸爸为他买了一块手表,手表的价格是128元。

小明想自己攒钱买下来,每周存15元。

请问他需要存储多少星期才能买到手表?2. 小华喜欢看漫画书,他买了一本漫画书,价格是25.6元。

他现在已经有了70元,他还需要攒多少钱才能买到这本漫画书?3. 学校举办了一个摄影比赛,小明想要参加比赛。

他买了一部相机,价格是480元,他要用20%的零用钱来支付相机的费用,请问他的零用钱总共有多少元?4. 小红参加了一个社区义工活动,她捐赠了自己存款的1/6给需要帮助的人。

她以前存了720元,她捐赠了多少钱?5. 小明和小华一起为寿星买了一张生日卡片,卡片上面有许多小星星,他们数了一下,一共有800个小星星。

如果小明数了240个小星星,那么小华数了多少个小星星?。

小数乘除法练习题(附答案)70道

小数乘除法练习题(附答案)70道

小数乘除法练习题(附答案)70道2017-01-105.6×2.93.77×1.80.02×965.22×0.39.99×0.024.67×0.95×2.441.666×6.19.432×0.0025.6×6.54.88×2.95.61×4.38.9×2.45.5×559.77×0.021.384×5.18.78×832.6×610.059×0.24.268×1.757×5.79.46×2.8517.8×6.41.5×4.92.5×0.885.555×5.22.22×3.337.658×8536.02×0.356.78×8除法:85.44÷1642.84÷7101.7÷967.5÷15230.4÷621.24÷360.736÷2343.5÷1235.21÷739.6÷246.21÷0.03210÷1.451.3÷0.2791.2÷3.80.756÷0.180.66÷0.311.97÷1.569.6÷2.938.4÷0.815÷0.06(循环小数的用简便方法,除不尽保留2位小数):8.2÷0.120.8÷0.976.4÷5.44.7÷31.25÷1.232÷4214.36÷2.78.33÷6.21.7÷0.032.41÷0.7用竖式计算0.396÷1.2= 0.756÷0.36= 15.6×13=0.18×15= 0.025×14= 3.06×36=0.04×0.12=3.84×2.6≈ 5.76×3=(保留一位小数)7.15×22 90.75÷3.3 3.68×0.2516.9÷0.13 1.55÷3.9 3.7×0.01613.76×0.8= 5.2×0.6 8.4×1.36.4×0.5 4.48×0.4 5.25×535.4×4.2 0.042×0.54 0.76×0.320.25×0.046 2.52×3.4 1.08×250.12×0.5×0.16=4.8×0.25=0.125×1.4≈(保留两位小数)2.5÷0.7= (保留三位小数)10.1÷3.3= (商用循环小数)10.75÷12.5= (用乘法验算)3.25×9.04= (用除法验算)3、脱式计算(能简算的要简算)2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.97.28×99+7.28 4.3×50×0.2 64-2.64×0.526×15.7+15.7×24 (2.275 +0.625)×0.283.94+34.3×0.2 1.2×(9.6÷2.4)÷4.88.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.468.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.5832+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×84.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.094.85 + 0.35 ÷ 1.48.7 × 17.4 - 8.7 × 7.412.5×0.4×2.5×8 0.87×3.16+4.64 9.5×1010.68 ÷(5.2 -3.5)× 1.2540.5 ÷ 0.81 × 0.18 4.8×(15 ÷ 2.4)6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8(9.37+9.37+9.37+9.37)× 2.52.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.12.5×(3.8×0.04) 7.69×101 3.8×10.10.25×39+0.25 0.125×72 46×0.33+54×0.33(8×5.27) ×1.25 6.81+6.81×99 0.25×185×406.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.29.5×99 13.5×0.98 12.5×8.8本站是提供个人知识管理的网络存储空间,所有内容均由用户发布,不代表本站观点。

小数乘除法练习题及答案100道

小数乘除法练习题及答案100道

小数乘除法练习题及答案100道6÷1.=3.2÷= .2÷ 0.= 4÷1.=12÷0.1= .75÷0.2= 12÷0.7= 1÷0.= 16.9÷0.1= 1.55÷3.= .7×0.01=.2÷= 0.3÷0.1= 0.5×0.1= 1.4×= 0.1×0.01 = 0.35×= .35÷=1÷0.01 = ÷ 0.= 0.32×0 =1÷0.1 = 12.5×= .6÷0.= 0.25×0.=2.5×=÷0.=66.6÷1.11 = 0.125×= .3÷0.31 =1.5×= .5×= 0.13×=2.4-0.= .4÷10 = .2×1000 =0.45÷0.1= .6÷0.1 = O.75×0.=8.5×100 = .2÷100 = 0.18×0.=8.5÷1.= 1.2÷0.= 0.49÷0.=0.04×2= 0.096÷0.0=4÷4.=1000×0.75= 0.5×100 =0.1÷0.2= 1÷0.01 = 1.25×=3.8×= .2÷0.=1.6× 0.=9.3÷0.= ÷0.= 0.45÷0.=0.2÷0.01 =.6×2.= .77×1.= 0.02×9=.22×0.=.99×0.0=.67×0.=×2.4= 1.666×6.1 =.432×0.00=.6×6.= 101.7÷=7.5÷1=30.4÷=1.24÷3=100道小数乘法计算题5.6×2..77×1.0.02×965.22×0.9.99×0.024.67×0.9.54×2.41.666×6.1.432×0.002.6×6..88×2.95.61×2.1.9×2..77×0.021.384×5.1 .78×82.6×610.059×0.24.268×1.57×5.9.46×2.855.555×5.256.78×.22×0.1.666×6.15.61×4.1.384×5.14.268×1.71.5×4.97.658×85.3×6.39.9×1.44.8×9.15.59×4.1.3×1.62.1×7.93.8×2.38.7×0.12.1×0.42.8×3.5 17.8×6..22×3.35.6×2.99.99×0.09.432×0.00.9×2.48.78×8357×5.2.5×0.886.02×0..4×7.6.4×2.0.6× 0.2×5.64.6×3.8.8×2.31.8×9.1.7×4.9.8×4.5×1.11.5×4..658×853.77×1.84.67×0.9.6×6.5.5×52.6×61 .46×2.855.555×5.6.78×84×8.812.48×4.2×1..4×8..1×5.61.8×9.6.1×4..6×8..7×9..9×8.22.5×0.886.02×0. 0.02×9×2.4.88×2..77×0.00.059×0.17.8×6..22×3.30.1×5..1×0..8×1..6×6. 0.5×4.6229.570.4×1. 11.259-2.1×7.7.5×5. 0.3×7..4×.9×1.7小数除法练习题一、填空1、0.56÷0.2=÷2=。

小数乘除法练习题及答案100道

小数乘除法练习题及答案100道

小数乘除法练习题及答案100道6÷1.=3.2÷= .2÷ 0.= 4÷1.=12÷0.1= .75÷0.2= 12÷0.7= 1÷0.= 16.9÷0.1= 1.55÷3.= .7×0.01=.2÷= 0.3÷0.1= 0.5×0.1= 1.4×= 0.1×0.01 = 0.35×= .35÷=1÷0.01 = ÷ 0.= 0.32×0 =1÷0.1 = 12.5×= .6÷0.= 0.25×0.=2.5×=÷0.=66.6÷1.11 = 0.125×= .3÷0.31 =1.5×= .5×= 0.13×=2.4-0.= .4÷10 = .2×1000 =0.45÷0.1= .6÷0.1 = O.75×0.=8.5×100 = .2÷100 = 0.18×0.=8.5÷1.= 1.2÷0.= 0.49÷0.=0.04×2= 0.096÷0.0=4÷4.=1000×0.75= 0.5×100 =0.1÷0.2= 1÷0.01 = 1.25×=3.8×= .2÷0.=1.6× 0.=9.3÷0.= ÷0.= 0.45÷0.=0.2÷0.01 =.6×2.= .77×1.= 0.02×9=.22×0.=.99×0.0=.67×0.=×2.4= 1.666×6.1 =.432×0.00=.6×6.= 101.7÷=7.5÷1=30.4÷=1.24÷3=100道小数乘法计算题5.6×2..77×1.0.02×965.22×0.9.99×0.024.67×0.9.54×2.41.666×6.1.432×0.002.6×6..88×2.95.61×2.1.9×2..77×0.021.384×5.1 .78×82.6×610.059×0.24.268×1.57×5.9.46×2.855.555×5.256.78×.22×0.1.666×6.15.61×4.1.384×5.14.268×1.71.5×4.97.658×85.3×6.39.9×1.44.8×9.15.59×4.1.3×1.62.1×7.93.8×2.38.7×0.12.1×0.42.8×3.5 17.8×6..22×3.35.6×2.99.99×0.09.432×0.00.9×2.48.78×8357×5.2.5×0.886.02×0..4×7.6.4×2.0.6× 0.2×5.64.6×3.8.8×2.31.8×9.1.7×4.9.8×4.5×1.11.5×4..658×853.77×1.84.67×0.9.6×6.5.5×52.6×61 .46×2.855.555×5.6.78×84×8.812.48×4.2×1..4×8..1×5.61.8×9.6.1×4..6×8..7×9..9×8.22.5×0.886.02×0. 0.02×9×2.4.88×2..77×0.00.059×0.17.8×6..22×3.30.1×5..1×0..8×1..6×6. 0.5×4.6229.570.4×1. 11.259-2.1×7.7.5×5. 0.3×7..4×.9×1.7小数除法练习题一、填空1、0.56÷0.2=÷2=。

小数乘除法练习题及答案100道

小数乘除法练习题及答案100道

小数乘除法练习题及答案100道1. 0.5 × 0.4 = ______答案:0.22. 0.3 × 0.6 = ______答案:0.183. 0.8 × 0.7 = ______答案:0.564. 0.9 × 0.5 = ______答案:0.455. 0.4 × 0.2 = ______答案:0.086. 0.6 ÷ 0.2 = ______答案:37. 0.9 ÷ 0.3 = ______答案:38. 0.8 ÷ 0.4 = ______答案:29. 0.7 ÷ 0.1 = ______答案:710. 0.5 ÷ 0.25 = ______答案:211. 1.2 × 0.4 = ______答案:0.4812. 1.5 × 0.6 = ______答案:0.913. 1.8 × 0.7 = ______答案:1.2614. 1.9 × 0.5 = ______答案:0.9515. 1.4 × 0.2 = ______答案:0.2816. 1.6 ÷ 0.2 = ______答案:817. 1.9 ÷ 0.3 = ______答案:6.33(保留两位小数)18. 1.8 ÷ 0.4 = ______答案:4.519. 1.7 ÷ 0.1 = ______答案:1720. 1.5 ÷ 0.25 = ______答案:6当然,让我们继续补充练习题及答案:21. 2.3 × 1.4 = ______答案:3.2222. 2.6 × 1.8 = ______答案:4.6823. 2.9 × 2.5 = ______24. 2.1 × 3.2 = ______答案:6.7225. 2.4 × 3.7 = ______答案:8.8826. 3.5 ÷ 1.75 = ______答案:227. 4.2 ÷ 1.4 = ______答案:328. 4.8 ÷ 1.2 = ______答案:429. 5.1 ÷ 2.55 = ______答案:230. 5.6 ÷ 1.4 = ______答案:431. 6.7 × 0.8 = ______答案:5.3632. 7.2 × 0.9 = ______答案:6.4833. 8.1 × 1.3 = ______答案:10.5334. 9.4 × 1.6 = ______答案:15.0435. 10.5 × 2.2 = ______36. 11.1 ÷ 1.1 = ______答案:10.09(保留两位小数)37. 12.6 ÷ 1.3 = ______答案:9.69(保留两位小数)38. 13.8 ÷ 2.76 = ______答案:539. 14.3 ÷ 4.79 = ______答案:3(保留整数)40. 15.9 ÷ 3.18 = ______答案:541. 0.25 × 0.75 = ______答案:0.187542. 0.3 × 0.1 = ______答案:0.0343. 0.45 × 0.6 = ______答案:0.2744. 0.55 × 0.8 = ______答案:0.4445. 0.65 × 0.4 = ______答案:0.2646. 0.75 ÷ 0.25 = ______答案:347. 0.85 ÷ 0.05 = ______48. 0.95 ÷ 0.19 = ______答案:549. 0.66 ÷ 0.33 = ______答案:250. 0.77 ÷ 0.11 = ______答案:751. 3.24 × 4.5 = ______答案:14.5852. 4. × 5.2 = ______答案:25.27253. 6.58 × 6.3 = ______答案:41.25454. 7.14 × 7.7 = ______答案:54.87855. 8.92 × 8.1 = ______答案:72.37256. 9.6 ÷ 3.2 = ______答案:357. 10.8 ÷ 4.5 = ______答案:2.458. 12.96 ÷ 6.48 = ______答案:259. 14.7 ÷ 7.35 = ______60. 16.2 ÷ 8.1 = ______答案:2(继续补充剩余的40道题目及答案)61. 7.3 × 2.8 = ______答案:20.4462. 8.4 × 3.6 = ______答案:30.2463. 9.5 × 4.5 = ______答案:42.7564. 10.6 × 5.2 = ______答案:55.1265. 11.7 × 6.3 = ______答案:73.7166. 12.8 ÷ 2.56 = ______答案:567. 13.9 ÷ 3.46 = ______答案:4.01(保留两位小数)68. 15.2 ÷ 4.8 = ______答案:3.17(保留两位小数)69. 16.5 ÷ 5.5 = ______答案:370. 17.8 ÷ 6.9 = ______答案:2.58(保留两位小数)答案:0.204872. 0.48 × 0.96 = ______答案:0.460873. 0.64 × 1.28 = ______答案:0.819274. 0.8 × 1.6 = ______答案:1.2875. 0.96 × 2.56 = ______答案:2.457676. 1.28 ÷ 0.32 = ______答案:477. 1.92 ÷ 0.64 = ______答案:378. 2.56 ÷ 1.28 = ______答案:279. 3.2 ÷ 0.8 = ______答案:480. 4.09 ÷ 1.69 = ______答案:2.41(保留两位小数)81. 5.76 × 7.3 = ______答案:42.12882. 6.48 × 8.4 = ______答案:54.432答案:68.95584. 8.16 × 10.6 = ______答案:.69685. 9.81 × 11.7 = ______答案:114.257. 11.2 ÷ 2.24 = ______答案:587. 12.6 ÷ 3.12 = ______答案:4.03(保留两位小数)88. 14.4 ÷ 4.8 = ______答案:389. 16.8 ÷ 5.6 = ______答案:390. 18.9 ÷ 6.3 = ______答案:3(保留整数)91. 2.5 × 3.9 = ______答案:9.7592. 3.6 × 4.8 = ______答案:17.2893. 4.7 × 5.5 = ______答案:25.8594. 5.8 × 6.6 = ______答案:38.28答案:53.1396. 8.1 ÷ 2.7 = ______答案:2.99(保留两位小数)97. 9.2 ÷ 3.8 = ______答案:2.42(保留两位小数)98. 10.3 ÷ 4.3 = ______答案:2.39(保留两位小数)99. 11.4 ÷ 5.7 = ______答案:2100. 12.5 ÷ 6.25 = ______答案:2这些练习题旨在帮助大家更好地掌握小数乘除法的基本规则,希望你在解答过程中能够有所收获。

小数乘法除法计算专项练习(通用版14份)

小数乘法除法计算专项练习(通用版14份)

3.5×5.7=
3.84×7.18=
5.6×4.7=
0.321×3.21=
11.2÷28=
1.2÷0.2=
2.46×5.8=
4.8×2=
10.12÷2.2=
40.39÷7=
7.5×25=
1.63×0.25=
0.423×7.46=
19.5÷26=
1.95×48=
20.8÷2.6=
习题四 第 1 页
小数乘法除法计算专项练习
小数乘法除法计算专项练习
一、列竖式计算 8.92×31=
姓名: ___________ 成绩: ___________
12.4÷3.1=
40.53÷7=
2.8÷0.4=
52.8÷33=
4.77×5.82=
2.7×1.2=
1.8×9.6=
34.1÷5=
20.16÷16=
6.57×1.7=
2.5×6=
7.64×31=
12.8÷1.6=
8.06÷1.3=
2.12×4.5=
21.6÷27=
62.9÷37=
2.81×5.85=
5.78×3.6=
31.62÷6=
8.1×48=
43.84÷8=
0.446×3.25=
7.2×8.3=
0.251×0.56=
5.31×4=
9.43×1.73=
习题六 第 1 页
小数乘法除法计算专项练习
一、列竖式计算 1.06×36=
姓名: ___________ 成绩: ___________
9.2×27=
0.058×6.57=
0.39×5.3=
13.8÷23=
19.47÷3.3=

小数乘除法简便运算分类练习[1]

小数乘除法简便运算分类练习[1]

小数乘法简便运算分类练习题一、乘法交换律⨯⨯⨯a⨯=cabbc0.25×8.5×4 12.5×0.96×0.8 0.25×0.73×4 0.25×16.2×4二乘法结合律⨯a⨯=⨯⨯b(b)()cac4.36×12.5×8 0.95×0.25×4 35×0.2×0.5 0.75×50×0.4三、乘法分配律=⨯⨯±(±)cbcacba⨯(1.25-0.125)×8 (20-4)×0.25 (2+0.4)×5 (125+2.5)×0.8四、乘法分配律逆应用a±b=⨯⨯±a)(cbca3.72×3.5+6.28×3.5 15.6×2.1-15.6×1.1 3.83×4.56+3.83×5.447.09×10.8-0.8×7.09 27.5×3.7-7.5×3.7 3.9×2.7+3.9×7.310.6×0.35-9.6×0.35 7.6×0.8+0.2×7.6五、把其中一个因数分成两个数的和或差,再按乘法分配律0.8×100.1 0.79×99 0.85×199 3.65×10.14.6×0.9 0.65×101 4.8×10.1 3.6×1020.39×199 8.9×1.01 0.32×403 3.65×10.10.85×9.9 0.65×101六、拆分因数1.25×2.5×323.2×0.25×12.5 0.25×36 25×4.4 8.8×1.25七、添加因数“1”56.5×99+56.5 9.7×99+9.7 4.2×99+4.2 5.4×11-5.41.87×9.9+0.187 12.7×9.9+1.27八、更改因数的小数点位置6.66×3.3+66.6×67 46×57+23×86 4.8×7.8+78×0.523.14×0.68+31.4×0.032 101×0.87-0.91×87 3.65×4.7 -36.5×0.372.3×16+2.3×23+2.3 314×0.043+3.14×7.2-31.4×0.15九.除法运算性质a÷b÷c= a÷(b×c)320÷1.25÷8 3.52÷2.5÷0.4 9.6÷0.8÷0.463.4÷2.5÷0.4 8.54÷2.5÷0.4十.除法运算性质逆运算a÷(b×c)= a÷b÷c3.9÷(1.3×5) 15÷(0.15×0.4)75.3÷(7.53×20) 48÷(0.48×0.5)十一、综合练习题5×1.03×0.2 32×1.25 0.45×99 53×10.10.125×96 12.5×10.8 25×7.3×0.4 45×21-50×2.145×1.58+5.5×15.8 4.2×6.51+3.49×4.2 9.99×2.22+3.33×3.34一、加法中的巧算1. “凑整法”如:1+9=10,3+7=10,2+8=10,4+6=10,5+5=10。

五年级小数乘除法计算题50道

五年级小数乘除法计算题50道

五年级小数乘除法计算题50道一、小数乘法(25道)1. 0.25×4 =解析:计算时,先按照整数乘法计算25×4 = 100,然后看因数中一共有两位小数,就从积的右边起数出两位点上小数点,所以结果是1。

2. 0.3×0.5=解析:先算3×5 = 15,因数共有两位小数,从积的右边起数出两位点上小数点,结果是0.15。

3. 1.2×3=解析:按整数乘法12×3 = 36,因数中有一位小数,所以结果是3.6。

4. 2.5×0.4=解析:先算25×4 = 100,因数共有两位小数,积为1。

5. 0.12×5=解析:计算12×5 = 60,因数有两位小数,结果是0.6。

6. 1.5×0.6=解析:15×6 = 90,因数共有两位小数,积是0.9。

7. 0.8×0.9=解析:8×9 = 72,因数共有两位小数,结果是0.72。

8. 2.3×0.3=解析:23×3 = 69,因数共有两位小数,积是0.69。

解析:14×7 = 98,因数共有两位小数,结果是0.98。

10. 0.6×1.5=解析:6×15 = 90,因数共有两位小数,积是0.9。

11. 3.2×0.2=解析:32×2 = 64,因数共有两位小数,积是0.64。

12. 0.7×0.8=解析:7×8 = 56,因数共有两位小数,结果是0.56。

13. 1.6×0.5=解析:16×5 = 80,因数有一位小数,积是0.8。

14. 2.4×0.3=解析:24×3 = 72,因数共有两位小数,积是0.72。

15. 0.9×1.2=解析:9×12 = 108,因数共有两位小数,积是1.08。

小数乘除法练习题及答案100道

小数乘除法练习题及答案100道

小数乘除法练习题及答案100 道6÷1.=3.2 ÷= .2 ÷ 0.= 4÷ 1.=12 ÷0.1= .75 ÷ 0.2= 12÷0.7= 1 ÷0.= 16.9 ÷0.1= 1.55 ÷3.= .7 × 0.01=.2 ÷= 0.3 ÷ 0.1= 0.5 × 0.1= 1.4 × = 0.1 × 0.01 = 0.35 × = .35 ÷=1÷0.01 = ÷ 0.= 0.32 ×0 =1 ÷0.1 = 12.5 × = .6 ÷ 0.= 0.25 × 0.=2.5×=÷0.=66.6 ÷1.11 = 0.125 ×= .3 ÷0.31 =1.5 ×= .5 ×= 0.13 × =2.4-0.= .4 ÷10 = .2 ×1000 =0.45 ÷ 0.1= .6 ÷0.1 = O.75 × 0.=8.5 ×100 = .2 ÷100 = 0.18 ×0.=8.5 ÷ 1.= 1.2 ÷ 0.= 0.49 ÷ 0.=0.04 ×2= 0.096 ÷ 0.0=4 ÷4.=1000 ×0.75= 0.5×100 =0.1 ÷0.2= 1 ÷ 0.01 = 1.25 ×=3.8 ×= .2 ÷0.=1.6× 0.=9.3 ÷0.= ÷0.= 0.45 ÷ 0.=0.2 ÷0.01 =.6 ×2.= .77×1.= 0.02 × 9=.22 × 0.=.99 × 0.0=.67 × 0.= × 2.4= 1.666×6.1 =.432 × 0.00=.6 ×6.= 101.7 ÷=7.5 ÷1=30.4 ÷ =1.24 ÷ 3=100 道小数乘法计算题5.6× 2..77 × 1.0.02 × 965.22 × 0.9.99 × 0.024.67× 0.9.54 × 2.41.666 × 6.1.432 × 0.002.6 × 6..88 × 2.95.61 × 2.1.9 × 2..77 × 0.021.384 ×5.1 .78 ×82.6 × 610.059 ×0.24.268 × 1.57 × 5.9.46 × 2.855.555 × 5.256.78 ×.22 × 0.1.666 × 6.15.61 × 4.1.384 × 5.14.268×1.71.5 × 4.97.658 × 85.3 × 6.39.9 × 1.44.8 × 9.15.59 × 4.1.3 ×1.62.1 ×7.93.8 ×2.38.7 ×0.12.1 × 0.42.8 ×3.517.8 × 6..22 ×3.35.6 × 2.99.99 × 0.09.432 × 0.00.9 × 2.48.78 × 8357 × 5.2.5 × 0.886.02 × 0..4 × 7.6.4 × 2.0.6 × 0.2 × 5.64.6 ×3.8.8 × 2.31.8 × 9.1.7 × 4.9.8 × 4.5 × 1.11.5 × 4..658 × 853.77 × 1.84.67 × 0.9.6 × 6.5.5 ×52.6 ×61 .46 ×2.855.555 × 5.6.78 ×84×8.812.48 ×4.2 × 1..4 × 8..1 × 5.61.8 × 9.6.1 × 4..6 × 8..7 × 9..9 × 8.22.5 × 0.886.02 × 0. 0.02 × 9 × 2.4.88 × 2..77 × 0.00.059 × 0.17.8 × 6..22 × 3.30.1 ×5..1 ×0..8 ×1..6 × 6. 0.5 × 4.6229.570.4 × 1. 11.259-2.1 × 7.7.5 × 5. 0.3 × 7..4×.9 × 1.7小数除法练习题一、填空1、0.56 ÷0.2=÷2=。

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小数乘法和除法练习题
(时间:80分钟总分:100分)
班级姓名
一、直接写出得数:(10分)
0.27×3 = 7.2÷0.6 = 1.25×8 = 0.83+0.27 =
0.09×0.4 = 10÷0.1 = 6.5÷1.3 = 2.8-1.09 =
2.5×4.4 = 8.8×101 =
二、填空:(14分)
1、3×0.8表示求,0.8×3表示求。

2、已知两个因数的积是1.44,其中一个因数是1.2,另一个因数是。

3、在计算除法3.96÷0.12时,需要把除数的小数点向右移动两位变为整数,则被除数应扩大。

4、根据算式45.5×3.6=163.8写出两个积为16.38的乘法算式①,②。

5、4.9·0·保留两位小数得,精确到十分位得。

6、比较大小: 9.68×0.99○9.68 4.82÷0.99○4.82
7、1.25时= 分 0.5天= 时
8、在4.2·4.23 4.2·3·4.32中最大的数是,最小的数是。

三、判断:(对的在括号内画“√”,错的在括号内画“○”,5分)
1、在除法运算中,商一定比被除数小。

()
2、两个因数的小数位数的和是3,积的小数位数也一定是3。

()
3、小数除法的意义与整数除法的意义完全相同。

()
4、一个小数是循环小数,那它一定是无限小数。

()
5、求商的近似值与求积的近似值一样,先要算出商,再按要求取近似值。

()
四、选择:(4分)
1、在1.25×12×8=12×(1.25×8)中,用到的乘法的()
①乘法交换律乘法结合律③乘法分配律④乘法交换律和结合律
2、在计算除法时,如果要求得数精确到0.1,商应除到()
①十分位②百分位③千分位
3、下面算式中,结果最大的是()
①4.2×0.98 ②4.2÷1.3 ③4.2×0.45 ④4.2÷0.45
4、一根木棒锯成三段需要15分钟,锯成四段要()
①20分钟②15分钟③22.5分钟
五、用竖式计算:(4分)
0.56×0.8(保留两位小数)= 4.8÷11(保留三位小数)=
六、求未知数χ:(6分)
χ×6.25 =15 9.8÷χ=19.6 χ÷1.8=2.6
七、计算下面各题,能简算的要简算(24分)
6.25÷0.25×6 68.04÷(0.21×3.6)
0.486+0.01+3.99 19.75÷2.5-3.55
17.5×2.3-7.5×2.3 1.25×11×4×0.8
90÷25÷4 8.93×5.7+8.93×3.3+8.93
八、列式计算:(12分)
1、3个9.5比15多多少?
2、比3.5的2.4倍还多1.2的数是多少?
3、0.8与0.9的积除以1.2,商是多少?
4、78减去3.4与0.17的商,差是多少?
九、应用题:(21分)
1、学校参加团体操大赛,四年级有80人,五年级的人数是四年级的1.5倍,两个年级一共有多少人参加团体操大赛?
2、用载重为3.5吨的货车5辆,运122.5吨货物,要几次运完?
3、一辆汽车0.5小时行驶15.2千米,照这样计算,行驶228千米需要多少小时?
4、开学五年级一班布置教室,用去纸4张,每张2.8元,用去胶水两瓶,每瓶1.4元,一共用去班费多少?
5、从学校到少年宫共有3.6千米,一辆汽车行这段路程共用了6分钟,请问这辆汽车每小时行多少千米?
6、某同学在算一道除法题时,把一个有两位小数的被除数的小数点漏掉了,除以1.8后商是230。

请你写出正确的除法算式,并计算出商。

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