五年级上数学小数乘除法口算天天练(供参考)

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1 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 =

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2 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)

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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 = 2

7.4 ×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 =

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4 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=

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5 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 =

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6 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＝

1.32×8＝10.3×2＝ 3.5×0.2＝0.9×0.3＝5×0.6＝10×0.05＝0.13×7＝0.7×4＝0.05×4＝1

2.5×8＝0.4×50＝

3.25×0＝2.3×4＝ 2.6×3＝7.5×0.1＝0.45×0.2＝

4.1×2＝ 3.5×0.01＝9×0.5＝0×9.8＝ 3.9×0.3＝4.1×2＝ 2.6×3＝ 1.25×8＝7.5×0.1＝1×0.06＝0.9×0.3＝

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7 口算专项训练（7）

9×0.5= 2.5×0.4= 0.4×25＝8.2×0.8= 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 = 0.125×8＝0.8×1

2.5=

2.5×0.4＝0.18×10＝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=

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