小学四年级下册数学口算题

1、四 年级数 学 口 算 题 （1）姓名：_班级：每天10道把卜面的分数、小数互化。12310100100271251100 一1000 一1000 一10 _30 _7 _100100010050175071000 一100 一1000 一25203578100 一1000."1000 一25541031000 一100 一1000 一52565010 一1000 一1000 一216045100 一100 一100 一9 二20 二30 二1000 一1000 一100 一50 二19 二771000 一100 一1000 一1006 _1510001010000.14=0.9=0

2、.10=0.101 =0.125=0.39=0.91 =0.320=0.01 =0.37=0.12=0.40=0.04=0.54=0.50=0.390=0.54=0.8=0.04=0.007=0.943=(2)姓名：7.51.257.8在。里填上303.80.01 00.15.40 05.42.7 02.9515.4 015.548.92 082.9504.984.6 04.06302.984.25 04.3008.73.96 03.696.75 06.780.1 00.1000.6 00.604.95 055.7 04.713.87 03.09小数的大小比较(1)=” 。6.5 06.501

3、 01.011.5 01.600 00.010.6 01.12.7 02.672.1502.252.54 02.516.49 06.50.1800.8105.71.3401.4301.0254.8 04.991.04 01.035807.999分数： 2.45 O2.084.85 O3.944.8 04.080.04 00.102.889 02.91.33 01.3332.74 02.476.1801.869.9010.111.4010.674.4 04.050.51 00.5087.4 07.043.14031.40.09 00.9012.5015.10.3500.53四年级数学口算题(3)

4、姓名：分数：58厘米=()米7元8角3分=(1米70厘米=()150克=()千克178厘米=()米150克=(?)千克；11 厘米=()>15厘米=(231 克=(745毫米=(5米80厘米=(2元4角9分=(30千克=()吨8米15厘米=(5分=()元8元10分=()元60厘米=()米108千克=()应80分=()元540克=()千克)元8千克10克=()千克米 600 毫米=()米10.04吨=()吨()千克()分米()厘米86 厘米=()米Q76 分米=()米)米 182米=()千米)千克；18克=()千克)米； 789 克=()千克；)米)元；7吨60千克=()吨;3米6分米=(

5、)米)米；3元7角二()元15角二()元70克=()千克560克=()千克413角二()元46毫米=()米370米=（ ）千米3米 50厘米 =（ ）米四年级数学口算题 （4）姓名： 6.63 米=（ ）米（6.48 元=（ ）元（567 克 =（ ）千克50 厘米 =（ ）米68 角 =（ ）元576 千克 =（）吨800 毫米 =（）米49 毫米 =（ ）厘米7.62 6.720.25 0.510.10.013.89 3.986.784.5 4.194.50 0.042.45 2.482.992.9990.200.270.1795.3894.79 4.595.80_分数： ）分米（ ）厘米

6、）角（ ）分28克 =（ ）千克39分米 =（ ）米37分 =（ ）元7 角 8 分 =（ ）元69 厘米 =（ ）分米60分 =（ ）角0.29 0.324.55.010.40.411.381.391.141.416.6 6.5787.860.25 0.265.4 3.63.765.5 5.95.155.30.120.215.65.600.195.145.36.00.930.9306.0844.0007.9 08.03.9103.099.00097.8 03.91.872020.57 00.75第二大周口算测试一位小数加法（一）姓名： 班级:1.5+8.5=5.4+8.2=3.6+1.8=3

7、.3+7.9=2.4+6.8=8.1+7.9=14.3+1.4=9.2+1.3=1.6+3.9=1.8+7.4=15.4+3.6=0.4+1.6=2.8+3.6=3.6+4.7=6.5+1.9=0.6+0.7=1.5+3.8=6.2+9.9=11.5+11.4=0.8+3.4=4.4+1.7=0.8+2.3=3.5+4.4=15.7+0.3=1.7+4=7.2+1.5=2.1+6.2=5.6+2.3=2.5+4.5=3.8+0.5=1.3+6.7=0.6+2.5=3.2+2.1=3.6+4.2=4.3+5.6=2.4+4.0=1.3+2.1 =2.8+3.5=4.6+2.1=1.7+4.5=6

8、.7+4.2=1.6+8.0=3.5+6.7=8.9+9.4=1.3+5=3.2+2.1=5.7+8.5=0.8+5.4=1.4+6.2=2+3.3=5.5+6.0=5.2+4.8=4.1+2.8=3.2+3.3=2.6+3.5=6.7+1.4=6.3+#.2=8.1+2.1=0.8+1.3=1.2+1.6=第二大周算测试一位小数加法（二）姓名:班级:1.7+7.2=6.8+9.1=3.4+5.5=0.8+5.1=3.4+1.8=1.1+3.5=4.6+8.1=4.5+1.2=9.0+7.6=1.9+3.4=4.5+5.5=5.6+5.4=7.3+1.7=0.9+3.5=5.3+6.4=4.6

9、+7.8=1.2+4.3=4.2+2.1 =3.7+3.2=1.4+2.4=8.1+0.5=0.3+3.2=6.3+2.5=4.6+1.4=0.9+0.8=0.5+0.3=3.5+7.8=1.1 + 12=3.5+7.3=9.8+4.5=5.6+7.6=3.4+1.9=4.5+2.3=5.7+8.4=1.8+0.9=5.8+9.8=1.3+5.7=8.9+4.5=1.6+0.5=4.5+7.5=3.6+6.2=6.5+6.1 =3.5+7.6=7.5+7.1 =0.7+4.3=5.1+0.5=5.3+5.1 =7.8+2.4=4.5+7.1 =4.1+7.2=0.9+0.6=9.7+8.6=8

10、.6+4.3=0.9+4=6.3+5.1=8.9+0.3=5.5+1.7=第二大周算测试 一位小数的减法（一）姓名: 班级:8.7-3.5=3.2-2.1=8-3.2=10.2-6.2=6-0.4=8.3-7=4.7-4.3=8.2-5.2=2.6-0.8=4.7-2.5=8.4-0.6=5.7-3.7=1-0.9=3.5-1.3=3.5-3.4=9.7-5.4=4.3-1.4=7.1-0.2=8.2-6.8=6.9-2.5=2.1-1.7=6.8-2.9=4.3-1.2=6.9-1.2=3.9-0.8=1.5-0.8=5.1-3.4=3.4-2.3=6.7-3.1=8.3-3.3=8.8-3

11、.2=12.3-4.5=5.1-0.9=1.2-0.3=4.2-0.1=7.8-3=2.2-0.6=8.9-5.4=2.7-1.2=8.5-7.6=5.2-0.9=6.2-2=8.4-6.2=6.3-4.1=3.2-1.9=7.1-5.4=9.8-5.4=8.4-4.2=3.8-0.2=7.9-0.1=6.7-6.4=1.2-0.9=1.4-0.7=3.4-1.2=5.3-3.2=5.1-2 =6.7-3.4=9.6-5.2=6.7-2.9=7.1-4.8=第二大周 口算测试一位小数的减法（二）姓名 : 班级 :5.3-2.7=2.6-0.5=7.5-7.2=4.3-0.1=6.1-3.0=6

12、.5-2.2=70-0.5=4.3-2.3=6.2.-1.4=4.5-1.2=8.6-5.3=3.7-1.5=7.3-4.1=7.4-2.4=3.1-1.8=8.2-7.1=8.6-3.6=9.6-2.2=5.4-3.2=8.4-5.1=6.2-3.2=3.1-0.2=3.7-1.7=4.3-2.1=6.4-1.9=4.5-2.7=9.5-2.3=6.7-2.1=8.4-7.4=6.3-2.4=3.7-2.7=7.5-4 =2.3-1=6.3-2.6=2.4-0.5=3.2-1.1=5.2-1.6=7.3-2.6=5.4-1.2=7.4-6.3=5.1-3.4=6.2-4.1=7.5-3.7=

13、7.4-3.5=5.3-5=6.4-5.2=8.3-5.1=7.2-5.1=5-2.3=6.5-4.3=7.1-4.3=5.6-7.3=5.1-0.8=5.3-5.1=5.1-5=7.5-3.1=5.4-1.2=5.5-3.4=7.3-2.3=5.4-2.1 =3.24+6.12=4.34+3.24=6.43+4.43=7.3-5.2=7.2-4.1 =7.3-1.6=第三大周 口算测试 两位小数加法（一）姓名4.12+1.23=3.15+5.01 =4.75+0.80=5.31+0.61 =4.09+2.01=2.43+0.12=7.23+9.01=4.27+7.10=0.14+0.23=3

14、.13+7.02=6.41+6.21 =5.21+5.21 =2.13+4.12=3.02+8.02=8.23+2.21=7.02+3.01=4.53+5.23=3.12+3.21 =8.21+5.12=4.03+4.12=7.06+5.63=5.55+2.11 =4.60+0.08=8.34+5.12=3.54+0.01=0.12+0.09=4.14+3.02=8.71+7.12=6.03+5.02=4.12+0.23=0.54+2.01=3.24+4.02=3.12+4.23=4.23+3.121 =班级5.43+0.75=4.52+6.80=0.21+5.61 =8.02+0.80=5.

15、13+4.12=7.23+7.01=1.01+3.12=4.01+4.15=5.13+7.12=8.31+0.31 =8.04+5.02=6.03+2.31=0.02+0.51=8.03+2.10=2.3+4.32=4.23+6.34=5.72+9.01=3.54+6.35=6.23+6.24=6.24+4.36=5.63+5.24=3.47+8.24=3.45+6.14=4.12+6.23=6.01+0.10=3.04+6.12=2.34+4.34=0.12+3.23=7.45+4.35=0.91+0.91 =5.39+3.24=1.24+4.13=9.02+0.52=0.35+0.26=3

16、.25+5.36=0.52+0.30=0.29+3.45=0.28+0.91 =4.76+3.20=0.03+2.90=两位小数加法（二）7.34+5.46=3.23+4.12=6.12+5.14=0.14+0.46=5.01+3.13=0.23+4.23=2.03+1.45=4.02+9.02=0.31+0.13=5.41+3.25=0.45+6.34=5.40+0.27=4.25+2.79=5.24+6.10=0.34+8.01 =4.37+0.91 =6.03+9.04=5.27+0.91 =4.25+5.04=第三大周口算测试姓名 班级5.32+6.15=2.13+3.45=5.35+

17、3.24=0.23+0.14=4.01+5.23=0.12+0.02=0.23+0.04=2.34+3.01 =0.28+0.71 =4.38+0.23=6.57+0.04=3.43+0.80=4.5+5.47=5.46+6.47=0.92+0.92=6.23+4.23=0.58+0.15=5.20+0.25=0.93+0.47=5.26+9.12=9.02+0.45=8.04+0.62=第三大周姓名-8.60-6.39=7.68-6.50=6.97-5.97=1.27-0.21 =0.41+0.95=3.51+9.00=1.31+5.61 =8.68+0.84=3.66+5.90=5.15-

18、4.79=3.79-3.47=0.17+0.62=7.40-4.04=6.91-5.39=8.78-0.52=6.76-6.61=2.59+9.10=8.70+1.16=8.64-7.85=5.93-1.20=5.58+0.13=5.86-1.95=7.42+9.92=2.34+0.37=口算测试两位小数加减法班级8.49-6.31=3.90-2.76=8.25-4.64=8.42-7.04=4.15+7.08=4.54+2.55=7.71-0.11 =2.62+3.19=6.14-2.01 =5.29+6.33=8.89-0.20=3.58-2.87=7.31-2.51 =8.81-5.75

19、=8.76+0.75=7.37-4.92=7.52-1.82=4.47+9.24=8.53+3.94=8.36-3.72=第三大周口算测试两位小数加减法（二）姓名班级6.78-1.84=7.57+6.82=1.05+9.02=7.93-4.75=9.32+3.40=8.21-4.90=6.89-0.88=6.29+0.67=9.81-0.09=4.22-2.66=4.64-3.25=5.94-0.36=6.35-2.83=5.18+2.34=4.30-4.19=6.03-2.94=5.43+3.23=2.38+2.40=4.97+7.29=9.60+0.73=2.80+6.46=8.28+7.

20、36=5.62+2.82=8.80+7.97=0.6+7.50=8.74-6.93=4.94-2.06=4.62+3.02=3.55+5.33=9.28+1.69=3.34+4.51=2.23+5.50=7.74+1.48=7.48-6.52=6.63+7.16=7.87+9.72=3.42+6.99=4.06+4.85=7.55+7.05=第二大周口算测试两位小数加减法（三）姓名 - 班级 -8.93-2.34=6.72-0.35=7.25-0.04=8.95-4.26=7.54-5.4=4.73-3.25=6.26-3.14=5.36-2.10=5.73-3.14=5.79-3.14=6.

21、53-1.03=8.12-4.32=7.43-0.14=7.52-4.12=5.31-4.12=9.04-3.02=6.31-3.21=5.92-4.14=6.12-3.01=7.29-4.01=7.13-2.08=8.64-3.41=7.23-2.13=5.23-1.23=4.15-3.12=7.12-3.12=7.52-3.12=7.43-4.12=8.25-6.14=7.16-0.4=9.46-2.31=9.75-4.24=5.9-5.35=6.26-4.23=5.34-3.21=9.33-3.33=5.34-2.32=7.43-4.23=6.23-4.15=8.53-2.13=6.13

22、-4.23=7.23-2.01=8.42-0.01=8.53-5.34=7.32-1.09=9.87-6.24=6.54-6.50=8.63-5.43=7.12-3.21=7.41-4.12=8.42-5.09=5.32-1.01 =5.21-0.21 =6.30-0.02=0.34-0.01 =8.43-4.21 =6.43-2.01 =小数乘整数(1)姓名：_ 班级:0.4 M =2X4.4 =3.9 %=2 X2.8 =1.6 >3=7.4 )3=2.4 >3=3.7 >3=7.1 )3 =2.2 >4 =8X4.1 =6.3 >4=1.9 >4=2.

23、3 >4=7 >.6 =6.7 >4 =1.9 >8 =7.4 )0 =4.3 XI =2.2 >2 =2.5 X 9 =6.7 X 8 =2.3 X 8 =4.4 X 2 =5.4 X 6 =8.2 X 9 =4.5 X 6 =3.4 x 8 =1.9 >3 =2X4.3 =3 >.4 =3 X6.6 =3 X6.7 =0.3 >8 =0.4 >7 =3.4 M =5 X0.8 =1.5 >6 =6X8.1 =0.6 >9=6.3 >4=1.9 >4 =2.3 >3 =6 X4.3 =8X4.3=3.9 &g

24、t;2 =2 28 二1.6 )3=7.4 >3=2.4 >3=3.7 )3=7.1 >3 =2.2 >4 =8X4.1 =3 X5.4 =3 6.6 =3 6.7 =0.3 >8 =0.4 7 =小数乘整数(2)姓名：_ 班级:0.3 M00 =0.46 10 =6.6 10=5.2 M0 =2.410 =7.9 10=10 >>9.72 =2.3 1 X0=10 3.3 1=10 0 X6.8 =10 8.37 =1 0 4.6 =10 >>5.66 =0.110 =10 8.5 =68.2 X|0 =51.2100 =4.2 M00

25、=10.3 X|0=1.310 =1000 5.4 =5.3 M00 =10006.73=10 8.1 =100 X7.4 =8.87100=8.98100=8.8 M0 =10005.2 =100 2.05 =4.9 >1000=10 0.22 =1000 2.2 =10 23 =100 2.6 =100 2.8 =1.671000 =7.410 =2.4 1 00=100 X3.19 =100 3.2 =2.2 100 =100 X3.8 =9.9 M000 =100 4.1 =6.3 7 10 =100 4.1 =0.3 10=1000 X0.3 5=10 4.38 =6.4 10

26、0 =2.5 6 100=13.410=0.5 100 =0.5 M0 =20.61 00=0.9100 =100 X10.8 =10 4.52 =小数乘整数(3)1000 5.41 =姓名：_ 班级:2.4 1 00=100 X3.19 =0.310=1000 X0.3 5=10 4.38 =6.4100 =2.5 6 X100=13.410=1003.2 =2.2 M00 =100 3.8 =9.91000 =9.5 M00 =100 6.76 =5.510 =100 X6.93 =9.2 M00 =10.310=1.310 =10005.4 =5.3100 =1000 X6.73=1.4

27、6 100 =27.4100 =2.54 1000 =3.76 100 =7.1710002.25 1000 =100 4.15 =8.35 =100 X 8.35 =10 8.38 =7.810 0=10 X8.64 =10 8.9 =7.4100 =4.36 X100 =1.258=0.254=3.2 5=7.2 6=4 6.1 =8.4 2 =10 6.48 =5.1 3M00=100 8.2 7=4.318=8.22>3 =10005.4 =5.3100 =10006.73=10 8.1 =100 7.4 =8.87M00=2.8 >30=8.3 2 =7.5 2 0=7.

28、9 >2 =6.6 4 =4 5.5 =小数乘整数(4)姓名：_ 班级:3.76 100 =7.17 1000 =2.25 10001.25 8=>0.25 4=3.2 5=7.2 6=10006.82 =100 8.3 =100X 4.6 =0X 5.6 =58.1 M00 =14.1 >4=7 2.1 =100 5.3 =44.2 X|00=100 8.05 =100 8.2 =4.3 6 X|0 =100 8.35 =4.9 1000=10 0.22 =10002.2 =10 2.3 =100 X2.6 =100 2.8 =1.6710007.410 =2.41 00=

29、3.9 2 =2 2.8 =1.6 8 10=7.45100=2.4 3=0.7 10=7.1100 =2.2 4 =8 4.1 =3 5.4 =100X 6.6 =3 »6.7 =0.3 8 =0.4 7 =8.4 2 =9.5 100 =100 x 6.76 =5.510 =100 6.93 =9.2 M00 =5.2 6 X10 =2.5 100 =0X 5.6 =58.1 X00 =14.14=7 X2.1 =100 5.3 =44.2100=小数乘整数(5)姓名：_ 班级:8.6 x 1 0=9.510 =8.6 X00 =2.6 M00=9.56 X|0=6.5 100=

30、10X2.05 =4.910 =10 2.2 =7.110 =3.910 =2.12100=1.6 5 10 =7.410 =2.4 100 =100 X3.19 =10 3.2 =10 3.4 =10X3.8 =9.910 =3.2 5=7.2 6.0 =7.4 6.1 =8.4 6.2 =4.0 >6.48 =5.1 3 100=100 5.3 =100 X 8.2 7=4.318=8.22 3 =10 »8.38 =7.81 X00 =10 8.64 =1.318=7.410 =4.3 5 1 00=2.210 =6.1 2 3 =5.2 4 3 =4.1 4 100=9

31、.22100 =5.2 10 =2.5 M00=100 7.2 =7.5 10 =7.4 M00 =1.3 9 100=100 8.05 =100 8.2 =4.3 6 10 =100 8.35 =10 >>8.38 =7.8 10 =10 8.64 =10 8.9 =7.4100 =4.3 100 =小数乘整数（6）8X 4.1 =2.3 >3 =6.4 M0 =8.8 3 Xl00=8.3 M0=6.6 >4 =0 X6.48 =1.4 X 50 =9.7 X 8 =5.1 X 7 =9.5 M00 =100 X6.93 =8.6 >6 =4.9 >2=

32、3.9 >2 =2 2.8 =2.4 3=3.7 3=8 4.1 =6.3 4=姓名：6.3 4=6 4.3 =2 >>4.4 =10 4.72 =7.5 2 =4 5.5 =4.1 6 =4.6 9 =9.26 =7.4 M00 =100 6.76 =9.2100 =9. 1.6 =4 2.2 =2.5 4 =1.6 30=8 4.3=7.13 =6 4.2 =1.9 4=班级:1.9 4 =8 4.3=3.2 10=8.810 =7.910 =3 5.5 =.9.3 6 =1.650=7.420=8.4 2 =5.5 10 =8.6 X 30=6X 1.8 =7.13 0

33、=3.2 4=7.4 3=1.1 >>4.4 =1.2 40 =8 4.2=1.3 4=小数乘整数(7)姓名： 班级:7.2 4 X100 =7.4 M00 =8.4 2 =9.5 M00 =100 6.76 =5.5 10 =100 X6.93 =9.2100 =5.2 10 =2.5 M00 =8.8 7=7.5 3 =7.4 M =1.3 4 8 =100 8.05100X 8.2 =100 9.2 =6.6 >10=5.2 M00 =0.4 6 =0.92 3 =0.17 >2 =2.3 100 =10 3.3 =3.2 >5=5.15=4.15=4.3

34、4 >2 =8.2100 =10 8.38 =4.31 >8=8.223 =10 8.38 =7.81 X100 =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 M0=8.8 3 100=10 4.72 =8.8 M0 =8.310=7.5 2 =9.22 X100 =5.210 =2.5 100=100 X7.2 =7.510 =7.4 100 =小数乘整数(8)姓名：班级：7.3 >0=4.9 M00=20 &.2 =7.1 5 X|00=3.9 >2 =2.1 >20

35、 =1.6 >30 =7.4 M00 =10 »3.1 =100X 3.19 =7.1 M0=100 X3.4 =0 >.8 =9.9 M0 =100 X4.1 =6.3 M00 =1.9 >3 =2X 4.3 =100X 4.3 =100 X4.38 =100 X9.56 =7.9 M00=10X9.72 =2 >>9.8 =100X 3.3 =1000 X6.82 =100 X8.3 =100X 4.6 =0X 5.6 =58.1 M00 =14.1 >4=7 21 =100X 5.3 =44.2 X00=100X 1.2 =10X 4.2 =

36、3 »5.4 =3 »6.6 =3 »6.7 =0.3 >8 =0.4 >7 =3.4 >4 =5 X0.8 =1.5 >6 =6X 8.1 =0.6 >9=3.7 M00 =2.7 M00 =100 X7.7 =100 X4.2 =7.4 >4 =1.3 4 >8 =100 X 8.05 =100X 8.2 =小数乘法口算练习姓名1.5 X 4=2.5 X4=0.13 x 4=5.4 X10=0.18 X0.3=4.2 X1000=0.44 X 5=3.6X0.1 =8.5 x 100=3.9 X20=0.5 x 0.2

37、8=0.8 x 0.9=8.5 X4=3.2x 100=1.2X0.3 =0.49 X 7=0.04 X 25=0.03 X 15=4X4.2=1000X0.756=0.5 x 100=0X0.25=1X0.01 =1.25 X8=3. 8X2=16X0.2=9.3X0.3 =0.2 X0.1 =0.9x 6=2.1 x 0.3=7X0.08=1.87x 0=0.24x 5=0.2 X0.5=60x 0.5=0.05 x 1.6=0.5 X1.1 =0.8 X0.5=1.25x 4=4X0.25=1.8x 0.5=8X0.5=2.5 X10=6.3X2=0.92x 4=80X1.6=0.56

38、X4=1.6 x 0.8=6.3 X9=0.15 X8=7.2X0.6=4.2 X4=3.09 x 0=1.47 X0.4=0.4 X0.25 =1.5 X4=2.5 X4=0.13 x 4=4.2 X1000=1.25 X8=1.25 X 4=0.18 X0.3=0.04 X25=1000X0.756=7 X0.08=0.05 x 1.6=小数乘法口算练习2姓名4X0.25=0.5 x 1.1 =0.8 x 0.5=0.5X100=0.2x 0.5=60x 0.5=8.5X100=30X0.5=0.78 X0.2=1.5 x 8=2.5 X8=1.9 X40=2.5 x 2=2.1 X2=3

39、.08 x 0.01 =0.4 x 0.5=0.4 x 20=1.32 X8 =0.9 X0.3 =0.13 X7 =12.5 x 8 =2.3 X4 =0.45 X 0.2 =9X0.5 =4.1 X2 =7.5 X0.1 =小数乘法口算练习9X0.5=8.2 X0.8=0.9 X0.2=3.6 x 0.2=7.25 X4=X 5=0.6 x 8=4.5 x 2=6.9 X0.1 =0.7 x 0.8=0.7 X8 =3.5 x 0.2 =10X0.05 =0.05 X4 =3.25 X0 =7.5 x 0.1 =3.5 x 0.01 =3.9 x 0.3 =1.25 X8 =0.9 x 0

40、.3 =0.4 x 25=0.22 X4=4X0.3=1.5 x 5=4X0.25=3.4 X0.7=3.60.5X10=5.6 x 100=4.95 X1000=2.8 x 10=0.8 X7=10.3 X2=5X0.6 =0.7 x 4 =0.4 x 50=2.6 x 3 =4.1 X2 =0X9.8 =2.6 x 3 =1X0.06 =3 姓名2.5 x 0.4=0.2 x 0.4=3.99 乂 1 =30X0.1 =0.5 X 0.2=1X0.08=4.8 X0.5=2.01 X0=2.4 x 5=1.25 x 8=0.21 x 100=3.4 x 0.4=7.8 X0.5=2.9 x

41、 9=100X 0.8=6.8 X0.4=0.8 x 0.1 =0.7 x 40=8.1 X5=0.8 x 0.25=1X0.98=0.8 X0.5=0.5 x 40=0.125 X8=0X0.54=4X0.25=1.25 X8 =0.125 X8=0.8X12.5=2.5 x 0.4 =0.18 x 10=0.1 x 0.02=1.8 x 0.5=32X2.5 =4X0.25=0X 0.54=1.25 x 8 =0.125 X8=0.8 x 12.5=2.5 X0.4 =0.18 x 10=0.1 x 0.02=1.4 X0.5=32X2.5 =2.4 x 5=0.36 x 10=3.14x

42、 100=2.5 X0.04=1.5 X0.8=3.6X500=6.5 X20=7.8 X5=0.008X 1000=0.125 X6=72 X0.4=1.5x 0.5=10.1X30=小数乘法口算练习4姓名0.8 X7 =0.7 x 8 =1.32 X8 =1.5 X7 =10.3 X2=3.5 x 0.2 =0.9 X0.3 =5X0.6 =10X0.05 =0.05 X4 =3.25 X0 =7.5 x 0.1 =3.5 x 0.01 =3.9 x 2=1.25 X8 =0.9 x 0.3 =10X3.52=0.22 X4=4X0.3=1X0.08=2.4 x 5=3.4 x 0.4=1

43、0X0.89=0.72 X4=0.1 x 0.98=0.125 X8=x 5=X0.12=0.13 X7 =12.5 x 8 =2.3 X4 =0.45 x 0.2 =9X0.5 =4.1 X2 =7.5 X0.1 =9X0.5=8.2 X0.8=0.9 X0.52=30X0.1 =4.8 X5=1.25 x 8=7.8 X0.2=6.8 X0.4=8.1 X5=8X0.52=7X0.08=1.87小数乘法口算练习50.5 x 1.1=0.80.7 x 4 =0.4 x 50=2.6 x 3 =4.1 X2 =0X9.8 =2.6 x 3 =1X0.06 =2.5 x 0.4=0.2 x 0.

44、4=3.99 x 1 =0.35 x 0.2=2.01 X0=0.21 x 100=2.19 X0.1 =0.8 x 0.18=0.89 x 5=0.5 x 40=X 0=0.24姓名X0.5=61.25 x 4=4X0.25=X6.81 =0.4 X8=1.8 0.5=80.5=2.5 X10=6.3 2=0.9 24=80X1.6=6.2 X 0.7=0.4X0.25 =0.56 x 0.4=1.6 0.8=6.39=0.15 x 8=7.2 0.5=1.70.4=4.2 0.4=3.9 0.3=1.5 4=2.5 4=0.13 x 4=4.21000=0.45+0.15=3.6+0.1

45、=5.4 + 10=3.2 +100=1.2 +0.3 =0.49 +7=84 + 4.2=1000 0.756=0.5 X 100=0+0.25=3.8 2=1 + 0.01 =1.25 8=7.2 +0.9=1.6X 0.2=4+ 0.4=0.45+ 0.5=0.2 +0.01 =0.9 X6=9.3+0.3=8.5 + 1.7=0 .04 X25=2.10.3=2.5 2=0.5X10=0.6 8=2.1 2=2.8X10=0.7 0.8=0.04 20=5.6 0.4=4.7 0.3=4.5 2=小数乘法口算练习6姓名:0.02 0.5=3.6 0.3=6.3 0.7=5.6X100=

46、0.75 0.6=0.125 X 8=4.8 0.3=0.862=0.56 2=0.36 x 4=3.6 X4=4.6 X3=12.5 x 4=2.4 X5=3.08 x 0.01 =0.4 x 0.5=9.6 X0.8=9.5 X0.6=0. 56 X0.7=3.9 X3=0.25 x 0.4=1.25 x 0.8=0.22 X 100=4.5 X0.5=5X0.12=4X4.2=小数乘法口算练习0.18 x 0.2=8X7.2=7.3 x 0.3=4.5 X0.5=0.64 x 8=0.8 X1.1 =2.8 x 4=1.64 X0.1 =8.65 x 10=4.95 X1000=2.4

47、x 0.8=0.108 X2=0.325 X 100=0.125 X4=7.2 X0.1 =1.6 x 0.8=3.2 x 0.4=5.6 x 0.8=3.9 x 0.324X0.5=0.84 x 2=7 姓名0.16 X8=1.2 x 30=3.6 x 0.2=0.13 x 0.6=0.7x9=7.2x0.8=5.2x3=10X2.22=0.35 x 0.6=6.9 X0.1 =1.8 X9=4.95 X0.1 =2.5 x 8=3.28 X0.1：0.01 X0.1 =0.8 x 2.5=0X 1.7=5X0.24=16.5 X5=4.8 x 0.5=5X0.25=4.5 X 0.02=0.12 X0.2=7.8 x 0.6=0.96 x 0.2=10.5 x 0.4=7.3 x 7=8X0.125=0.54 x 0.6=0.61 X9=0.56 x 8=0.8 X0.11 =7.2 x 0.8=5.6 x 0.01 =2.3X100=0.75 X 100=0.108 X5=10.8 x 9=7.8 x 0.01 =5.4 x 0.6=3.15 x 5=