五年级上数学小数乘除法口算天天练(15页).doc

-五年级上数学小数乘除法口算天天练-第 15 页口算专项训练（1）0.4 × 4 =2× 4.4 =3.9 × 2 =2 × 2.8 =1.6 × 3=7.4 × 3=2.4 × 3=3.7 × 3=7.1 × 3 =2.2 × 4 =8× 4.1 =6.3 × 4=1.9 × 4=2.3 × 4=7 × 2.6 =6.7 × 4 =1.9 × 8 =7.4 × 0 =4.3 × 1 =2.2 × 2 =2.5 × 9 =6.7 × 8 =2.3× 8 =4.4 × 2 =5.4 × 6 =8.2 × 9 = 4.5 × 6 =3.4 × 8 =1.9 × 3 =2× 4.3 =3 × 5.4 =3 × 6.6 =3 × 6.7 =0.3 × 8 =0.4 × 7 =3.4 × 4 =5 × 0.8 =1.5 × 6 =6× 8.1 =0.6 × 9=6.3 × 4=1.9 × 4 =2.3 × 3 =6 × 4.3 =8× 4.3=3.9 × 2 =2 × 2.8 =1.6 × 3=7.4 × 3=2.4 × 3=3.7 × 3=7.1 × 3 =2.2 × 4 =8× 4.1 =3 × 5.4 =3 × 6.6 =3 × 6.7 =0.3 × 8 =0.4 × 7 =口算专项训练（2）0.3 × 100 =0.46 ×10 =6.6 × 10=5.2 × 10 =2.4 × 10 =7.9 × 10=10 × 9.72 =2.3 1× 10=10 × 3.3 1=10 0× 6.8 =10 × 8.37 =1 0× 4.6 =10 × 5.66 =0.1 × 10 =10× 8.5 =68.2 × 10 =51.2 × 100 =4.2 × 100 =10.3 × 10=1.3 × 10 =1000 × 5.4 =5.3 × 100 =1000 × 6.73=10× 8.1 =100 × 7.4 =8.87 × 100=8.98 × 100=8.8 × 10 =1000 × 5.2 =100 × 2.05 =4.9 × 1000= 10× 0.22 =1000 × 2.2 =10 × 2.3 =100 × 2.6 =100 × 2.8 =1.67 × 1000 =7.4 × 10 =2.4 × 1 00=100 × 3.19 =100 × 3.2 =2.2 × 100 =100 × 3.8 =9.9 × 1000 =100 × 4.1 =6.3 7× 10 =100× 4.1 =0.3 × 10=1000 × 0.3 5=10 × 4.38 =6.4 × 100 =2.5 6× 100=13.4 × 10=0.5 × 100 =0.5 × 10 =20.6 × 1 00=0.9 ×100 =100 × 10.8 =10× 4.52 =1000× 5.41 =小数乘整数(3)口算专项训练（3）2.4 × 1 00= 100 × 3.19 =0.3 × 10=1000 × 0.3 5=10 × 4.38 =6.4 × 100 =2.5 6× 100=13.4 × 10=100 × 3.2 =2.2 × 100 =100 × 3.8 =9.9 × 1000 =9.5 × 100 =100× 6.76 =5.5 × 10 =100 × 6.93 =9.2 × 100 =10.3 × 10=1.3 × 10 =1000 × 5.4 =5.3 × 100 =1000 × 6.73=1.46 ×100 =27.4 ×100 =2.54 ×1000 =3.76 ×100 =7.17 ×1000 =2.25 ×1000 =100× 4.15 =8.3 × 5 =100× 8.35 =10 × 8.38 =7.8 ×10 0=10 × 8.64 =10× 8.9 =7.4 × 100 =4.36 × 100 =1.25 ×8=0.25 ×4=3.2 × 5= 7.2 × 6=4 × 6.1 =8.4 × 2 =10 × 6.48 =5.1 3× 100= 100× 8.2 7=4.31 × 8=8.22 × 3 =1000 × 5.4 =5.3 × 100 =1000 × 6.73=10× 8.1 =100 × 7.4 =8.87 × 100=2.8 × 30=8.3 × 2 =7.5 × 2 0=7.9 × 2 =6.6 × 4 =4 × 5.5 =口算专项训练（4）3.76 ×100 =7.17 ×1000 =2.25 ×1000 =1.25 ×8=0.25 ×4=3.2 × 5= 7.2 × 6=1000 × 6.82 =100 × 8.3 =100× 4.6 =0× 5.6 =58.1 × 100 =14.1 × 4=7 × 2.1 =100× 5.3 =44.2 × 100=100× 8.05 =100 × 8.2 =4.3 6× 10 =100× 8.35 =4.9 × 1000= 10× 0.22 =1000 × 2.2 = 10 × 2.3 =100 × 2.6 =100 × 2.8 =1.67 × 1000 =7.4 × 10 =2.4 × 1 00=3.9 × 2 =2 × 2.8 =1.6 8×10=7.45 × 100=2.4 × 3=0.7 ×10=7.1 × 100 =2.2 × 4 =8× 4.1 =3 × 5.4 =100× 6.6 =3 × 6.7 =0.3 × 8 =0.4 × 7 =8.4 × 2 =9.5 × 100 =100× 6.76 =5.5 × 10 =100 × 6.93 =9.2 × 100 =5.2 6× 10 =2.5 × 100 =0× 5.6 =58.1 × 100 =14.1 × 4=7 × 2.1 =100× 5.3 =44.2 × 100=口算专项训练（5）7.2 4× 100 =7.4 × 100 = 8.4 × 2 =9.5 × 100 =100× 6.76 =5.5 × 10 =100 × 6.93 =9.2 × 100 =5.2 × 10 =2.5 × 100 =8.8 × 7=7.5 ×3 =7.4 × 4 =1.3 4× 8 =100× 8.05 =100× 8.2 =100× 9.2 =6.6 × 10=5.2 × 100 =0.4 × 6 =0.92 × 3 =0.17 × 2 =2.3 ×100 =10 × 3.3 =3.2 × 5=5.1 × 5=4.1 × 5=4.3 4× 2 =8.2 × 100 =10 × 8.38 =4.31 × 8=8.22 × 3 =10 × 8.38 =7.81 × 100 =2.33 × 4=6 × 4.2 2=8× 4.3=4 × 4.4 1=2.5 × 100 =3.2 × 4=8 × 4.2=8.9 × 2 =3.2 × 10=8.8 3× 100=10× 4.72 =8.8 × 10 =8.3 × 10=7.5 × 2 =9.22 × 100 =5.2 × 10 =2.5 × 100=100 × 7.2 =7.5 × 10 =7.4 × 100 =口算专项训练（6）4×0.25=0.5×1.1= 0.8×0.5= 0.5×100= 0.2×0.5= 60×0.5= 8.5×100= 30×0.5=0.78×0.2= 3.9×20=0.5×0.28=0.8×0.9= 1.5×8=1.5×5= 3.6×0.2= 2.5×8=4×0.25=7.25×4= 1.9×40= 3.4×0.7= 3.6×5= 2.5×2= 0.5×10= 0.6×8= 2.1×2= 5.6×100= 4.5×2= 3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5= 2.8×10= 0.7×0.8= 0.4×20= 0.8×7 0.7×8 1.32×810.3×23.5×0.20.9×0.35×0.610×0.050.13×70.7×40.05×4 12.5×80.4×503.25×02.3×42.6×37.5×0.10.45×0.24.1×23.5×0.019×0.50×9.83.9×0.34.1×22.6×31.25×87.5×0.11×0.060.9×0.3口算专项训练（7）9×0.5=2.5×0.4=0.4×258.2×0.8=0.2×0.4=0.22×4=0.9×0.2=3.99×1=4×0.3=30×0.1=0.5×0.2=1×0.08=4.8×0.5=2.01×0=2.4×5=1.25×8=0.21×100=3.4×0.4=7.8×0.5=2.9×9=100×0.8=6.8×0.4=0.8×0.1=0.7×40=8.1×5=0.8×0.25=1×0.98=0.8×0.5=0.5×40=0.125×8=0×0.54= 4×0.25= 1.25×8 = 0.125×8 0.8×12.5= 2.5×0.4 0.18×10 0.1×0.02= 1.8×0.5= 32×2.5 0×0.54= 4×0.25= 1.25×8 = 0.125×80.8×12.5= 2.5×0.4 0.18×100.1×0.02= 1.4×0.5=32×2.5 2.4×5= 0.36×10= 3.14×100= 2.5×0.04=1.5×0.8= 3.6×500= 6.5×20= 7.8×5= 0.008×1000 0.125×6= 72×0.4= 1.5×0.5= 10.1×30= 口算专项训练（8）0.8×70.7×81.32×81.5×710.3×23.5×0.20.9×0.35×0.610×0.050.13×70.7×40.05×4 12.5×80.4×503.25×02.3×42.6×37.5×0.10.45×0.24.1×23.5×0.019×0.50×9.83.9×24.1×22.6×31.25×87.5×0.11×0.060.9×0.39×0.5=2.5×0.4=10×3.52=8.2×0.8=0.2×0.4=0.22×4=0.9×0.52=3.99×1=4×0.3=30×0.1=0.35×0.2=1×0.08=4.8×5=2.01×0=2.4×5=1.25×8=0.21×100=3.4×0.4=7.8×0.2=2.19×0.1=10×0.89=6.8×0.4=0.8×0.18=0.72×4=8.1×5=0.89×5=0.1×0.98=8×0.52=0.5×40=0.125×8=7×0.08= 1.87×0= 0.24×5= 口算专项训练（9）0.02×0.5= 3.6×0.3=6.3×0.7= 5.6×100= 0.75×0.6=0.125×8= 4.8×0.3= 0.86×2=0.56×2= 0.36×4= 0.64×8=0.7×9= 3.6×4= 0.8×1.1= 7.2×0.8= 4.6×3=2.8×4= 5.2×3= 12.5×4=1.64×0.1= 10×2.22= 2.4×5=8.65×10= 0.35×0.6=3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=2.4×0.8= 1.8×9= 9.6×0.8=0.108×2= 4.95×0.1= 9.5×0.6=0.325×100= 2.5×8=0. 56×0.7=0.125×4= 3.28×0.1= 3.9×3=7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6×0.8= 0.8×2.5= 1.25×0.8=3.2×0.4= 0×1.7=0.22×100=5.6×0.8= 5×0.24= 4.5×0.5=3.9×0.3 16.5×5= 5×0.12=24×0.5= 4.8×0.5= 4×4.2=0.84×2= 5×0.25=口算专项训练（10）4.1×22.6×31.25×87.5×0.11×0.060.9×0.39×0.5=2.5×0.4=0.4×258.2×0.8=0.2×0.4=0.22×4=0.9×0.2=3.99×1=4×0.3=30×0.1=0.5×0.2=1×0.08=4.8×0.5=2.01×0=2.4×5=1.25×8=0.21×100=3.4×0.4=7.8×0.5=2.9×9=100×0.8=6.8×0.4=0.8×0.1=0.7×40=8.1×5=0.8×0.25=1×0.98=0.8×0.5=0.5×40=0.125×8=0.9×0.35×0.610×0.050.13×70.7×40.05×4 12.5×80.4×503.25×02.3×42.6×37.5×0.10.45×0.24.1×23.5×0.019×0.50×9.83.9×24.1×22.6×31.25×87.5×0.11×0.060.9×0.39×0.5=2.5×0.4=10×3.52=口算专项训练（11）3.6÷0.1= 3.2÷10= 9.3÷0.3= 0.45÷0.09=4÷0.4=0.45÷0.5=0.2÷0.01=27÷0.1=7.2÷0.9=2.5÷5=15÷0.5=     1÷2=1.8÷0.9=0.45÷0.15=0÷0.25= 1÷0.1= 5.4÷10= 28.6÷100=84÷4.2= 5÷2.5= 2.4÷0.6=0.36÷3= 0.12÷0.03= 2.8÷0.4=8.5÷ 1.7=5.6÷7=1.2÷0.3 =0.49÷0.7= 0.81÷0.9=   54÷64.8÷40.48÷40.48÷0.424÷2=2.4÷2=0.24÷2=0.024÷2=24÷4=2.4÷4=28÷7=2.8÷7=0.28÷7=2.8÷0.7=28÷0.7=28÷0.07=36÷3=3.6÷3=0.36÷3=3.6÷0.3=36÷0.3=0.36÷0.03=48÷12=4.8÷12=0.48÷12=4.8÷1.2=0.48÷0.12=0.48÷0.2=46÷23=4.6÷23=0.46÷2.3=口算专项训练（12）4.6÷2.3=0.46÷0.23=46÷2.3=30÷6=3÷6=0.3÷6=3÷0.6=30÷0.6=0.3÷0.6=8÷2=0.8÷2=8÷0.2=0.8÷0.2=80÷0.2=0.36÷9=4.5÷5=1.3÷10=8.4÷4=2÷5=6.6÷22=30÷0.3=10÷2.5=0.9÷10=7÷3.5=0÷4.3=0.25÷1=1.6÷0.8=0.48÷0.24=18÷0.9=16÷4=0.25÷0.5=5.1÷1.7=0÷2.3=3.5÷1=7÷0.1=1.5÷0.1=2.9÷0.1=1÷0.5=0.2÷1=1÷0.2=9.9÷3.3=12÷4=7.2÷0.9=3.6÷2=5.4÷6=5.4÷3=0.36÷1.8=3.6÷0.18=6.3÷0.3=0.25÷5=4.8÷12=6.4÷0.8=5.5÷11=7.5÷15=0.25÷0.05=6.3÷0.9=72÷0.8=54÷0.6=0.49÷0.7=0.24÷0.6=口算专项训练（13）0.3÷0.5=1.6÷0.8=5.6÷0.07=1.8÷3=0.14÷0.7=0÷5.32=1.2÷6=4.5÷0.5=3.4÷0.01=6.3÷7=9.9÷0.3=10÷4=1.5÷0.5=20÷5=6.6÷0.1=1.3÷0.13=0.02÷0.4=5.03÷0.01=2.1÷0.3=0.12÷0.04=2.8÷0.7 0.28÷1.44÷0.57.5÷1.510÷253.52÷11.5÷0.30.42÷7= 0.42÷0.6= 0.48÷0.80.9÷4.55.1÷0.170.81÷94.8÷1.68.4÷0.4 4.5÷0.92.9÷10=1.5÷0.03= 4.4÷1.19.6÷163÷0.5 0÷3.89 6.4÷47.2÷0.90.3÷0.11.2÷0.4= 3.6÷0.64.8÷0.160.5÷0.51.25÷0.252.6÷1.37.82÷0.1 1.4÷7 1÷54.5÷5= 0.48÷0.24= 1.5÷0.3= 2.5÷0.52.5÷5 2.5÷0.5 口算专项训练（14）3.6÷0.1= 3.2÷10= 9.3÷0.3= 0.45÷0.09=4÷0.4=0.45÷0.5=84÷4.2= 5÷2.5= 2.4÷0.6=0.36÷3= 0.12÷0.03= 2.8÷0.4=4.8÷40.48÷40.48÷0.436÷3=3.6÷3=0.36÷3=8÷2=0.8÷2=8÷0.2=2÷5=6.6÷22=30÷0.3=0.48÷0.24=18÷0.9=16÷4=7.2÷0.9=3.6÷2=5.4÷6=6.4÷0.8=5.5÷11=7.5÷15=54÷0.6=0.49÷0.7=0.24÷0.6=1.8÷3=0.14÷0.7=0÷5.32=1.5÷0.5=20÷5=6.6÷0.1=0.42÷7= 0.42÷0.6= 0.48÷0.89.6÷163÷0.5 0÷3.89 7.82÷0.1 1.4÷7 1÷5 2.5÷0.52.5÷5 2.5÷0.5 2.9÷0.1=1÷0.5=0.2÷1=1÷0.2=9.9÷3.3=12÷4=