0501小学5年纪口算训练.docx

0501小学5年纪口算训练.docx

《0501小学5年纪口算训练.docx》由会员分享，可在线阅读，更多相关《0501小学5年纪口算训练.docx（7页珍藏版）》请在冰豆网上搜索。

0501小学5年纪口算训练

口算（1分钟10道题通过率90%）

1.熟练掌握乘法口诀表

2.记住凑整的两数相乘

25×3=25×4=25×5=25×6=

25×7=25×8=125×4=125×8=

12×5=14×5=16×5=18×5=

15×3=15×4=15×5=15×6=

15×8=15×9=15×12=75×4=

11×11=12×12=13×13=14×14=

15×15=16×16=17×17=18×18=

19×19=

3.凑整

99×8=101×13

4.带小数的除法转换成整数的除法。

（除数与被除数同时扩大相同的倍数）

0.3÷0.6=0.36÷0.06=3.5÷0.7=

5.带小数的乘法转换成整数的乘法，然后确定小数点位置。

0.04×25=0.75×0.4=

练习

2.5×2=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=6.3÷7=5.6×100=

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=46.7－3.8=

12.8÷4=5.2÷13=12.5÷5=1.64+4.1=

10÷20=24÷15=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=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÷0.13=

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=4.5－0.05=

3.9÷0.1316.5÷0.5=5×0.12=24×0.5=

4.8×0.5=2.8＋4.2=0.84÷2.1=5÷0.25=

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=4.5＋5=0.3÷0.6=0.96÷0.2=

10.5×0.4=7.3＋0.27=8×0.125=0.54÷0.6=

0.61＋0.39=0.56÷28=10÷20=4.08÷0.4=

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÷1.4

0.48÷0.04=1.25÷2.5=5.5＋5.5=16.8÷8=

0.54＋2.2=3.5－0.05=2÷0.02=0.25×40=

1.5×0.6=0.32÷0.8=12.25÷0.5=73.5×0.1=

46.5＋52.5=0.45×102=1.25×88=2.64＋3.85＋1.54=

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=3.2÷5=7×0.62=

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=

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=670+250=10.2+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=

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=8-4.6=5.8-3.6=0.52+0.4=6.45+5.5=4.5-1.3=3.4-2.8=9.53-1.53=8.8-6.7=10+0.08=9.5-7

简便计算训练

（a＋b）＋c=a＋（b＋c）

1．2.73＋0.89＋1.272．4.37＋0.28＋1.63＋5.72

a－b－c=a－（b＋c）

1．10－0.432－2.5682．9.3－5.26－2.74

3．13.4－（3.4＋5.2）4．14.9－（5.2＋4.9）

5．18.32－5.47－4.326．17.29－5.28－6.29

（a×b）×c=a×（b×c）

1．25×6.8×0.042．0.25×32×0.125

3．6.4×1.25×12.5

c×（a+b）=ca＋cb

1．0.45×2012．0.58×10.13．50.2×99

4．4.7×9.95．3.28×5.7＋6.72×5.7

6．2.1×99＋2.17．1.7×9.9＋0.17

8．23×0.1＋2.3×9.9

练习

1．0.18＋4.26－0.18＋4.26☆2．0.58×1.3÷0.58×1.3☆

3．7.3÷4＋2.7×0.25☆4．3.75×0.5－2.75÷2☆

5．5.26×0.125＋2.74÷8☆

a÷b÷c=a÷（b×c）

1．6.3÷1.82．4.2÷3.53.　9.5÷（1.9×8）

4．12.8÷（0.4×1.6）5．930÷0.6÷5

6．63.4÷2.5÷0.47．（7.7＋1.54）÷0.7☆

8．（11.7＋9.9）÷0.9☆

计算：

100－0.9910.99＋9.874.089÷0.047　　0.24×390

6.9＋4.8＋3.10.456＋6.22＋3.7815.89＋（6.75－5.89）

4.02＋5.4＋0.985.17－1.8－3.213.75－（3.75＋6.48）

3.68＋7.56－2.687.85＋2.34－0.85＋4.6635.6－1.8－15.6－7.2

3.82＋2.9＋0.18＋9.19.6＋4.8－3.67.14－0.53－2.47

5.27＋2.86－0.66＋1.6313.35－4.68＋2.6573.8－1.64－13.8－5.36

47.8－7.45+8.80.398+0.36+3.6415.75+3.59－0.59+14.25

66.86－8.66－1.340.25×16.2×4（1.25－0.125）×8

3.6×1023.72×3.5＋6.28×3.536.8－3.9－6.1

15.6×13.1－15.6－15.6×2.14.8×7.8＋78×0.5232＋4.9－0.9

4.8×100.156.5×9.9＋56.57.09×10.8－0.8×7.09

25.48－（9.4－0.52）4.2÷3.5320÷1.25÷8

18.76×9.9＋18.763.52÷2.5÷0.43.9－4.1＋6.1－5.9

5.6÷3.59.6÷0.8÷0.44.2×99＋4.2

17.8÷（1.78×4）0.49÷1.41.25×2.5×323.65×10.1

15.2÷0.25÷40.89×100.1146.5－（23＋46.5）

3.83×4.56＋3.83×5.444.36×12.5×89.7×99＋9.7

27.5×3.7－7.5×3.78.54÷2.5÷0.40.65×1013.2×0.25×12.5

（45.9－32.7）÷8÷0.1253.14×0.68＋31.4×0.032

5.6÷1.25÷0.8÷2.5÷0.4

7.2×0.2＋2.4×1.48.9×1.017.74×（2.8－1.3）＋1.5×2.26

3.9×2.7＋3.9×7.318－1.8÷0.125÷0.812.7×9.9＋1.27

21×（9.3－3.7）－5.615.02-6.8-1.025.4×11-5.4

2.3×16+2.3×23+2.39.43-（6.28-1.57）3.65×4.7－36.5×0.37

46×57＋23×8613.7×0.25－3.7÷42.22×9.9+6.66×6.7

101×0.87-0.91×8710.7×16.1-15.1×10.70.79×199

4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.24

2.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.98

0.134+2.66+0.8661.27+3.9+0.73+16.17.5＋4.9－6.5

3.07－0.38－1.621.29＋3.7＋2.71＋6.38－2.45－1.55

3.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.20.32×403

3.2＋0.36＋4.8＋1.641.23＋3.4－0.23＋6.60.25×36

12.7－（3.7＋0.84）36.54－1.76－4.540.25×0.73×4

7.6×0.8＋0.2×7.60.85×1990.25×8.5×4

1.28×8.6＋0.72×8.612.5×0.96×0.810.4－9.6×0.35

0.8×（4.3×1.25）3.12＋3.12×9928.6×101－28.6

0.86×15.7－0.86×14.72.4×1022.31×1.2×0.5

14－7.32－2.682.64＋8.67＋7.36＋11.3370÷28

（2.5－0.25）×0.49.16×1.5－0.5×9.163.6－3.6×0.5

63.4÷2.5÷0.44.9÷1.43.9÷（1.3×5）

（7.7＋1.54）÷0.72.5×2.42.7÷4515÷（0.15×0.4）

0.35×1.25×2×0.832.4×0.9＋0.1×32.415÷0.25