口算专项训练（1）
0.4 × 4 = 2 × 2.8 = 2.4 × 3= 2.2 × 4 = 1.9 × 4= 6.7 × 4 = 4.3 × 1 = 6.7 × 8 = 5.4 × 6 = 3.4 × 8 = 3 × 5.4 = 0.3 × 8 = 5 × 0.8 = 0.6 × 9= 2.3 × 3 = 3.9 × 2 = 7.4 × 3= 7.1 × 3 = 3 × 5.4 = 0.3 × 8 =
2× 4.4 = 1.6 × 3= 3.7 × 3= 8× 4.1 = 2.3 × 4= 1.9 × 8 = 2.2 × 2 = 2.3× 8 = 8.2 × 9 = 1.9 × 3 = 3 × 6.6 = 0.4 × 7 = 1.5 × 6 = 6.3 × 4= 6 × 4.3 = 2 × 2.8 = 2.4 × 3= 2.2 × 4 = 3 × 6.6 = 0.4 × 7 =
3.9 × 2 = 7.4 × 3= 7.1 × 3 = 6.3 × 4= 7 × 2.6 = 7.4 × 0 = 2.5 × 9 = 4.4 × 2 = 4.5 × 6 = 2× 4.3 = 3 × 6.7 = 3.4 × 4 = 6× 8.1 = 1.9 × 4 = 8× 4.3= 1.6 × 3= 3.7 × 3= 8× 4.1 = 3 × 6.7 =
口算专项训练（2）
0.3 × 100 = 5.2 × 10 = 10 × 9.72 = 10 0× 6.8 = 10 × 5.66 = 68.2 × 10 = 10.3 × 10= 5.3 × 100 = 100 × 7.4 = 8.8 × 10 = 4.9 × 1000= 10 × 2.3 =
1.67 × 1000 = 100 × 3.19 = 100 × 3.8 = 6.3 7× 10 =
1000 × 0.3 5= 2.5 6× 100= 0.5 × 10 =
100 × 10.8 = 0.46 ×10 = 2.4 × 10 = 2.3 1× 10= 10 × 8.37 = 0.1 × 10 = 51.2 × 100 = 1.3 × 10 = 1000 × 6.73= 8.87 × 100= 1000 × 5.2 = 10× 0.22 = 100 × 2.6 =
7.4 × 10 = 100 × 3.2 = 9.9 × 1000 = 100× 4.1 =
10 × 4.38 = 13.4 × 10= 20.6 × 1 00=
10× 4.52 =
小数乘整数(3)
6.6 × 10= 7.9 × 10= 10 × 3.3 1= 1 0× 4.6 = 10× 8.5 = 4.2 × 100 = 1000 × 5.4 = 10× 8.1 = 8.98 × 100= 100 × 2.05 = 1000 × 2.2 = 100 × 2.8 = 2.4 × 1 00= 2.2 × 100 = 100 × 4.1 = 0.3 × 10= 6.4 × 100 = 0.5 × 100 = 0.9 ×100 = 1000× 5.41 =
口算专项训练（3）
2.4 × 1 00= 100 × 3.19 = 1000 × 0.3 5= 10 × 4.38 = 0.3 × 10= 6.4 × 100 = 2.5 6× 100= 2.2 × 100 = 9.5 × 100 =
100 × 6.93 = 1.3 × 10 =
1000 × 6.73= 2.54 ×1000 = 2.25 ×1000 = 100× 8.35 = 10 × 8.64 =
4.36 × 100 = 3.2 × 5= 8.4 × 2 = 100× 8.2 7=
1000 × 5.4 = 10× 8.1 = 2.8 × 30= 7.9 × 2 =
13.4 × 10= 100 × 3.8 = 100× 6.76 =
9.2 × 100 = 1000 × 5.4 =
1.46 ×100 = 3.76 ×100 = 100× 4.15 = 10 × 8.38 = 10× 8.9 =
1.25 ×8= 7.2 × 6= 10 × 6.48 = 4.31 × 8=
5.3 × 100 = 100 × 7.4 = 8.3 × 2 = 6.6 × 4 =
100 × 3.2 = 9.9 × 1000 = 5.5 × 10 = 10.3 × 10= 5.3 × 100 = 27.4 ×100 = 7.17 ×1000 = 8.3 × 5 = 7.8 ×10 0= 7.4 × 100 = 0.25 ×4= 4 × 6.1 = 5.1 3× 100= 8.22 × 3 = 1000 × 6.73= 8.87 × 100= 7.5 × 2 0= 4 × 5.5 =
口算专项训练（4）
3.76 ×100 = 1.25 ×8= 7.2 × 6= 100× 4.6 = 14.1 × 4= 44.2 × 100= 4.3 6× 10 = 10× 0.22 = 100 × 2.6 = 7.4 × 10 = 2 × 2.8 = 2.4 × 3= 2.2 × 4 = 100× 6.6 = 0.4 × 7 = 100× 6.76 = 9.2 × 100 = 0× 5.6 = 7 × 2.1 =
7.17 ×1000 = 0.25 ×4= 1000 × 6.82 = 0× 5.6 = 7 × 2.1 = 100× 8.05 = 100× 8.35 =
1000 × 2.2 = 100 × 2.8 = 2.4 × 1 00= 1.6 8×10= 0.7 ×10= 8× 4.1 = 3 × 6.7 = 8.4 × 2 = 5.5 × 10 = 5.2 6× 10 = 58.1 × 100 = 100× 5.3 =
2.25 ×1000 = 3.2 × 5= 100 × 8.3 = 58.1 × 100 = 100× 5.3 = 100 × 8.2 = 4.9 × 1000=
10 × 2.3 = 1.67 × 1000 = 3.9 × 2 = 7.45 × 100= 7.1 × 100 = 3 × 5.4 = 0.3 × 8 = 9.5 × 100 = 100 × 6.93 = 2.5 × 100 = 14.1 × 4= 44.2 × 100=
口算专项训练（5）
7.2 4× 100 = 9.5 × 100 =
100 × 6.93 = 2.5 × 100 = 7.4 × 4 = 100× 8.2 = 5.2 × 100 = 0.17 × 2 = 3.2 × 5= 4.3 4× 2 = 4.31 × 8=
7.81 × 100 = 8× 4.3= 3.2 × 4= 3.2 × 10= 8.8 × 10 =
9.22 × 100 = 100 × 7.2 =
7.4 × 100 = 100× 6.76 =
9.2 × 100 = 8.8 × 7= 1.3 4× 8 = 100× 9.2 = 0.4 × 6 = 2.3 ×100 = 5.1 × 5= 8.2 × 100 = 8.22 × 3 =
2.33 × 4= 4 × 4.4 1= 8 × 4.2= 8.8 3× 100= 8.3 × 10=
5.2 × 10 = 7.5 × 10 =
8.4 × 2 = 5.5 × 10 = 5.2 × 10 = 7.5 ×3 = 100× 8.05 = 6.6 × 10= 0.92 × 3 = 10 × 3.3 = 4.1 × 5= 10 × 8.38 = 10 × 8.38 = 6 × 4.2 2= 2.5 × 100 = 8.9 × 2 = 10× 4.72 = 7.5 × 2 = 2.5 × 100= 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= 1.5×8= 2.5×8=
1.9×40= 3.45= 2.5
5.6×100= 4.5
0.4×0.5=
0.7×0.8= 0.4×8＝
0.9×0.3＝ 0.13×7＝ 12.5×8＝ 2.3×4＝ 0.45×0.2＝
0.5×0.28= 0.8×0.9= 1.5×5= 3.6×0.2= 4×0.25=
7.25×4=
×0.7= 3.6××2= 0.5×10=
0.6×8= 2.1×2=
×2= 3.08×0.01= 4.95×1000=
6.9×0.1= 2.8×10=
×20= 0.8×7＝ 0.7 1.32×8＝ 10.3×2＝3.5×0.2＝ 5×0.6＝ 10×0.05＝ 0.7×4＝ 0.05×4＝ 0.4×50＝ 3.25×0＝ 2.6×3＝ 7.5×0.1＝ 4.1×2＝
3.5×0.01＝
9×0.5＝ 4.1×2＝ 7.5×0.1＝
0×9.8＝ 2.6×3＝ 1×0.06＝ 口算专项训练（7）
3.9×0.3＝ 1.25×8＝ 0.9×0.3＝
9×0.5= 8.2×0.8= 0.9×0.2= 30×0.1= 4.8×0.5= 1.25×8= 7.8×0.5= 6.8×0.4= 8.1×5= 0.8×0.5=
0×0.54=
1.25×8 = 0.1250.8×12.5= 0.18×10＝ 0.132×2.5＝ 01.25×8 =
2.5×0.4＝2.5×0.4= 0.2×0.4= 3.99×1= 0.5×0.2= 2.01×0= 0.21×100= 2.9×9= 0.8×0.1= 0.8×0.25= 0.5×40=
2.5×0.4＝ ×0.02=
×0.54= 40.8×12.5= 0.18×10＝0.4×25＝ 0.22×4= 4×0.3= 1×0.08= 2.4×5= 3.4×0.4= 100×0.8= 0.7×40= 1×0.98= 0.125×8= 4×0.25=
×8＝ 1.8×0.5=
×0.25= 0.125×8＝
0.1×0.02=
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=
0.8×7＝ 1.5×7＝ 0.9×0.3＝ 0.13×7＝ 12.5×8＝ 2.3×4＝ 0.45×0.2＝9×0.5＝ 4.1×2＝ 7.5×0.1＝ 9×0.5= 8.2×0.8= 0.9×0.52= 30×0.1= 4.8×5= 1.25×8=
0.7×8＝ 10.3×2＝ 5×0.6＝ 0.7×4＝ 0.4×50＝ 2.6×3＝ 4.1×2＝ 0×9.8＝ 2.6×3＝ 1×0.06＝ 2.5×0.4= 0.2×0.4= 3.99×1= 0.35×0.2= 2.01×0= 0.21×100=
8）
1.32×8＝ 3.5×0.2＝ 10×0.05＝ 0.05×4＝ 3.25×0＝ 7.5×0.1＝ 3.5×0.01＝ 3.9×2＝ 1.25×8＝ 0.9×0.3＝ 10×3.52= 0.22×4= 4×0.3= 1×0.08= 2.4×5= 3.4×0.4=
口算专项训练（ 7.8×0.2= 6.8×0.4= 8.1×5= 8×0.52=
2.19×0.1= 0.8×0.18= 0.89×5= 0.5×40=
10×0.89= 0.72×4= 0.1×0.98= 0.125×8=
7×0.08= 1.87×0= 0.24×5=
口算专项训练（9）0.02×0.5= 6.3×0.7= 5.6
0.75×0.6=
4.8×0.3= 0.86×2= 0.36×4=
×9= 3.6×4= 0.8 7.2×0.8= 4.63= 2.8×4= 12.5×4= 1.64×0.1= 2.4×5=
8.65×10= 3.08×0.01= 4.95×1000= 0.1= 0.4×0.5= 1.8×9= 9.6
0.108×2= 9.5×0.6=
0.325×100= 3.6×0.3=
×100= 0.125×8= 0.56×2= 0.64×8= 0.7
×1.1= ×
5.2×3= 10×2.22= 0.35×0.6=
6.9×2.4×0.8=
×0.8=
4.95×0.1= 2.5×8=
0. 56×0.7= 3.9×3= 0.25×0.4= 1.25×0.8= 0.22×100= 0.125×4= 7.2×0.1=
3.28×0.1= 0.01×0.1=
1.6×0.8= 0.8×2.5= 3.2×0.4= 0×1.7=
5.6×0.8= 5×0.24= 4.5×0.5= 5×0.12= 4×4.2=
4.1×2＝ 7.5×0.1＝ 9×0.5= 8.2×0.8= 0.9×0.2= 30×0.1= 4.8×0.5= 1.25×8= 7.8×0.5= 6.8×0.4= 8.1×5= 0.8×0.5=
3.9×0.3 24×0.5= 0.84×2= 2.6×3＝ 1×0.06＝ 2.5×0.4= 0.2×0.4= 3.99×1= 0.5×0.2= 2.01×0= 0.21×100= 2.9×9= 0.8×0.1= 0.8×0.25= 0.5×40=
16.5×5= 4.8×0.5= 5×0.25=
10）
1.25×8＝ 0.9×0.3＝ 0.4×25＝ 0.22×4= 4×0.3= 1×0.08= 2.4×5= 3.4×0.4= 100×0.8= 0.7×40= 1×0.98= 0.125×8=
口算专项训练（0.9×0.3＝ 0.13×7＝ 12.5×8＝ 2.3×4＝ 0.45×0.2＝ 9×0.5＝ 4.1×2＝ 7.5×0.1＝ 9×0.5=
3.6÷0.1= ÷0.09= 0.2÷0.01= 2.5÷5= 1.8÷0.9= 1÷0.1= 84÷4.2= 0.36÷3= 8.5÷ 1.7= 0.49÷0.7= 4.8÷4＝ 24÷2=
5×0.6＝ 0.7×4＝ 0.4×50＝ 2.6×3＝ 4.1×2＝ 0×9.8＝ 2.6×3＝ 1×0.06＝ 2.5×0.4=
11）3.2÷10= 4÷0.4= 27÷0.1=
15÷0.5= 0.45÷0.15= 5.4÷10= 5÷2.5= 0.12÷0.03= 5.6÷7=
0.81÷0.9= 0.48÷4＝ 2.4÷2=
10×0.05＝ 0.05×4＝ 3.25×0＝ 7.5×0.1＝ 3.5×0.01＝ 3.9×2＝ 1.25×8＝ 0.9×0.3＝ 10×3.52=
9.3÷0.3= 0.450.45÷0.5= 7.2÷0.9=
1÷2= 0÷0.25= 28.6÷100= 2.4÷0.6= 2.8÷0.4= 1.2÷0.3 =
54÷6＝ 0.48÷0.4＝ 0.24÷2=
口算专项训练（
0.024÷2= 28÷7= 2.8÷0.7= 36÷3= 3.6÷0.3= 48÷12= 4.8÷1.2= 46÷23=
4.6÷2.3= 30÷6= 3÷0.6= 8÷2= 0.8÷0.2= 4.5÷5= 2÷5= 10÷2.5= 0÷4.3= 0.48÷0.24= 0.25÷0.5= 3.5÷1=
24÷4= 2.8÷7= 28÷0.7= 3.6÷3= 36÷0.3= 4.8÷12= 0.48÷0.12= 4.6÷23=
12）0.46÷0.23= 3÷6= 30÷0.6= 0.8÷2= 80÷0.2= 1.3÷10= 6.6÷22= 0.9÷10= 0.25÷1= 18÷0.9= 5.1÷1.7= 7÷0.1=
2.4÷4= 0.28÷7= 28÷0.07= 0.36÷3= 0.36÷0.03= 0.48÷12= 0.48÷0.2= 0.46÷2.3=
46÷2.3= 0.3÷6= 0.3÷0.6= 8÷0.2= 0.36÷9= 8.4÷4= 30÷0.3= 7÷3.5= 1.6÷0.8= 16÷4= 0÷2.3= 1.5÷0.1=
口算专项训练（
2.9÷0.1= 1÷0.2= 7.2÷0.9= 5.4÷3= 6.3÷0.3= 6.4÷0.8= 0.25÷0.05= 54÷0.6=
0.3÷0.5= 1.8÷3= 1.2÷6= 6.3÷7= 1.5÷0.5= 1.3÷0.13= 2.1÷0.3= 0.28÷1.4＝ 10÷25＝ 0.42÷7= 0.9÷4.5＝ 4.8÷1.6＝
1÷0.5= 9.9÷3.3= 3.6÷2= 0.36÷1.8= 0.25÷5= 5.5÷11= 6.3÷0.9= 0.49÷0.7=
13）1.6÷0.8= 0.14÷0.7= 4.5÷0.5= 9.9÷0.3= 20÷5= 0.02÷0.4= 0.12÷0.04= 4÷0.5＝ 3.52÷1＝ 0.42÷0.6= 5.1÷0.17＝ 8.4÷0.4﹦
0.2÷1= 12÷4= 5.4÷6= 3.6÷0.18= 4.8÷12= 7.5÷15= 72÷0.8= 0.24÷0.6=
5.6÷0.07= 0÷5.32= 3.4÷0.01= 10÷4= 6.6÷0.1= 5.03÷0.01= 2.8÷0.7＝ 7.5÷1.5＝ 1.5÷0.3﹦ 0.48÷0.8＝0.81÷9＝ 4.5÷0.9﹦
口算专项训练（
2.9÷10= 9.6÷16＝ 6.4÷4﹦ 1.2÷0.4= 0.5÷0.5＝ 7.82÷0.1 ＝4.5÷5= 2.5÷0.5＝
3.6÷0.1= ÷0.09= 84÷4.2= 0.36÷3= 4.8÷4＝ 36÷3= 8÷2= 2÷5= 0.48÷0.24= 7.2÷0.9= 6.4÷0.8= 54÷0.6=
1.5÷0.03= 3÷0.5＝ 7.2÷0.9﹦ 3.6÷0.6＝ 1.25÷0.25＝ 1.4÷7＝ 0.48÷0.24= 2.5÷5＝
14）3.2÷10= 4÷0.4= 5÷2.5= 0.12÷0.03= 0.48÷4＝ 3.6÷3= 0.8÷2= 6.6÷22= 18÷0.9= 3.6÷2= 5.5÷11= 0.49÷0.7=
4.4÷1.1＝ 0÷3.89＝ 0.3÷0.1﹦ 4.8÷0.16＝ 2.6÷1.3＝ 1÷5﹦ 1.5÷0.3= 2.5÷0.5﹦
9.3÷0.3= 0.450.45÷0.5= 2.4÷0.6= 2.8÷0.4= 0.48÷0.4＝ 0.36÷3= 8÷0.2= 30÷0.3= 16÷4= 5.4÷6= 7.5÷15= 0.24÷0.6=
口算专项训练（
1.8÷3= 1.5÷0.5= 0.42÷7= 9.6÷16＝ 7.82÷0.1 ＝ 2.5÷0.5＝ 2.9÷0.1= 1÷0.2=
0.14÷0.7= 20÷5= 0.42÷0.6= 3÷0.5＝ 1.4÷7＝ 2.5÷5＝ 1÷0.5= 9.9÷3.3=
0÷5.32= 6.6÷0.1= 0.48÷0.8＝ 0÷3.89＝ 1÷5﹦ 2.5÷0.5﹦ 0.2÷1= 12÷4=
五年级上数学小数乘除法口算天天练
