篇一：五年级小数点口算题
五年级小数点口算题
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
0.7×8＝ 10.3
0.9×0.3＝ 3.5
10×0.05＝ 0.13
0.7×4＝ 0.05
12.5×8＝2.3
0.4×50＝30
4.1×2＝ 0.35
1－0.08＝3.5
0×9.8＝ 3.9
0.5×0.4 ＝
8.1÷9＝ 2.5
3.6＋6.3＝ 0.05
0÷3.5＝ 0.9
班级：
9×0.5＝ 1.25
4.1×2＝ 0.35
×7＝ 1.32×8＝ ×2＝ 5×0.6＝ ×0.2＝2.01×0＝ ×7＝ 0.21×100＝ ×4＝ 4×0.3＝ ×4＝ 3.25×0＝ ×0.1＝ 2.6×3＝ ×0.2＝ 7.5×0.1＝ ×0.01＝ 1.25÷0.25＝ ＋0.39＝ 4.8＋5.2＝ ÷0.25＝ 3÷4＝ ×4＝ 6－0.025＝ ×4＝ 3.5×0＝ ×0.3＝1×0.06＝ 姓名： 五年级数学口算练习 ×8＝ 2.6×3＝ ×0.2＝ 7.5×0.1＝ 4
0.9×0.3＝ 1×0.06＝ 9×0.5＝
1.25×8＝0.2×0.4＝8.2＋1.8＝
100－35.22＝2.5×0.4＝2.4×5＝
0.22×4＝0.9－0.52＝ 3.99×1＝
0×3.52＝2.5÷5＝ 8.4÷7＝0.34÷17＝ 2.5÷0.5＝8.4÷0.7＝
0.34÷0.17＝30.4÷4＝ 1.2×6＝
0.72÷0.6＝ 2.6
0÷3.65＝ 7.82
1.4÷0.7＝ 3.6
5.6÷1.4＝ 0.48
4.2×3 ＝ 3.2
4÷0.5＝5.1
0.9÷0.45＝9.6
0.01÷1＝ 7.5
3÷0.5＝10
0÷3.89＝ 3.52
6.4÷4﹦1.5
4.2×3﹦ 1
1.29÷3= 3.2-1.68= 7.2-1.2+6.7=
班级：
1.8×5﹦7.2
2.2×6﹦8.4
4.5÷0.9﹦ 2.5
2.5×4﹦0.3
4.5×2= 7.8+0.22= 2
3.4×0.4=12.6
÷1.3＝0.6×0.3＝ ÷1 ＝ 0.001÷0.1＝ ÷0.06＝5.6÷0.9＝ ÷0.8＝4.4÷0.11＝ ×0.4＝ 0.3÷0.01＝ ÷0.17＝0.28÷1.4＝ ÷16＝ 1÷0.01 ＝ ÷1.5＝ 0.81÷9＝ ÷25＝4.8÷0.16＝ ÷1＝ 37.2×99＋37.2= ÷0.3﹦ 1×0.4÷1×0.4= ×0.01÷0.1=1.25÷0.5=姓名： 五年级数学口算练习 ÷0.9﹦ 25×4÷0.25×4= ÷0.4﹦ 9÷5－1.9÷5﹦ ×4﹦25×3.3×0﹦ ÷0.1﹦ 37.2×99＋37.2﹦ －0.64－0.36﹦ －0.9= 2－1.64－0.36﹦
1.2÷0.04= 0.42÷7=1.25×3.3×0﹦
0.9＋2.01= 2.97÷100= 20－3.7－7.3=
6.3+7= 2.19＋9.1= 5×0.75÷1.5×0.75= 0. 65×0.2=9.8-0.98= 1-0.1×0.1=
0.7+3= 1.2×0.8= 0.9×7+10.7=
6.3÷0.021=1.5÷0.03=6.8-2.4÷3=
5×0.7= 0.43×5=3.6÷0.9-4=
3.6-0.36= 8.1-2.2=0.6÷0.3+0.5=
6.8＋8.6=9.4×0.2=1.8÷0.9×0.5= 2－1.08= 8.8÷0.4=(1.6+0.5)÷5=
43×0.01﹦ 3.72×0.2= 0.7×8-0.6=
99＋0.1﹦ 3.2-2=6×0.125×8=
1.9×4﹦8.8÷0.11= 4×1.2×0.25=
0.125×8﹦ 1.8×40= 2.5-3.6÷1.8=
2.3÷0.1﹦ 3.72÷4= 13-0.5-4=
1.1×0.7= 1.9+5.1÷51=3.2×50=
2.32-0.4=3.2×0.5= 8×5.1=12-0.05×4= 16-4.5-5.5=1.8÷0.3＝
南京市浦口区实验小学五年级数学上册计算能力竞赛
班级_______姓名_______分数_______
一、口算（14分）
0.027×100= 8.8+0.12= 0.36×5= 0.75－0.5= 1.2+8=
9.5÷0.95= 2.4-2.4÷1.2=0.73+0.27×10=
0.15÷0.3= 1.6＋3.04= 2.8÷0.7=
4×3.9×0.5=0.012= 5.7÷0.3=
二、竖式练习（最后一横排精确到0.1）（20×2）
2.7+3.13
141－48.98 9÷36 0.945÷0.035
40.4÷84.7×0.203 3.25×1800 7.2÷0.48
25÷0.38 1.7÷113.85×0.01450.34÷14
三、能简便的要简便计算（23×2）
45.55－（6.82＋15.55） 34.52－17.87－12.23 4.57+3.17+3.43+5.83
8.54－5.99 27.38－5.34＋2.62－4.66 21.63＋（18.5－9.63）
70÷28 2.31×1.2×0.5 12.78-(4.97-2.78)63.4÷2.5÷0.4
99×4.38.23＋6.5-8.23＋6.5 3.12＋3.12×991.63＋2.37÷0.3
2.7÷452.4×10.2 23.9-0.6×0.6-0.642.4×1.87-2.4×0.87
15.32×4＋4.68÷0.25 1.26÷(1.26×0.4) 28.6×101－28.6
(12.6＋4.8)÷0.60.8×[(5-0.68)÷1.2]0.666×0.7＋0.222×0.9
五年级上册数学竞赛试卷（1）
一、计算，写出主要简算过程（每题4分，共16分）
1．567×789789-789×567567
2．7.2×14.3÷0.9÷1.3
3．0.64×125×2.5
4．如果2△3=2+3+4=9，5△4=5+6+7+8=26，那么，按此规则计算7△5=？
二、填空题（每题6分，共30分）
1．一种水草长得很快，每天增加一倍。如果第一天往池塘里投入一棵水草，第二天就长成两棵，第三天就长成四棵……第20天就长满池塘。（）天的时候，这些水草正好长满半个池塘。
2．把一个小数的小数点向右移动一位再加上它本身就得14.3。这个小数原来是（ ），它们的差是（）。
篇二：小学四年级第一学期小数口算330题附答案
0.16×0.09= 4.2+0.43= 0.7×1= 5.5+7.9= 66.01-66= 10.28-9.7=
0.79+0.68= 29.14-29=
0.27+0.36= 5×0.07=
0.53×0.01= 0.14+29= 0.12×0.2= 7.68-6.9= 7.2+3.6= 9.9×2= 0.62+76= 4.4×0.8= 0.9×1= 14.9-5= 3.1×0.8= 62+0.01=
18×0.09= 90×0.08= 0.83+70= 2.9+80= 21.52-21= 0.2×7= 3.95-0.45= 1.3×0.04= 4.63-0.43= 6.9+87= 0.55×5= 98×0.02= 3×0.02= 8-7.4= 8.3-7.4=
0.74×0.09= 0.34×5= 0.66×6= 3.9×4= 2.21-0.81= 1.95-1.3= 45×0.08=
1/10
0.07×0.08= 0.51+0.53= 87.2-86= 42.6-8.6= 9.8×0.01= 4.2×0.07= 0.15×3= 38×0.2= 60×0.06= 9.9+5= 5.7×4= 76.62-76= 0.59-0.08= 0.07+3.5= 3.1+9.2= 93.9-87= 0.85×0.1= 8.9+2= 92+2.5= 0.6×7= 3×0.06= 82.9-80=
1.22-0.8= 2+0.91= 43×0.04= 7.8+0.84= 6×0.1= 0.71-0.4= 89×0.5= 7.4+0.8= 23×0.07= 72×0.3= 0.1×2= 8.8×4= 93.6-2.6= 6.9-4.5= 8.4×0.8= 0.01×8= 93.1-6.1= 72×0.05= 0.25+48= 7.7×0.2=
16.28-0.28= 4.7×0.03=
23.25-23= 5.9+0.97= 6.65-0.65= 5.4×0.02= 0.92+5.9= 1.7×0.2= 8×0.01=
0.48×0.07= 5.8×0.06= 33.1-7.1= 91+2.6= 1.2+0.43= 0.35+9.3=
0.57×0.09= 2.1×6= 1.2+86= 6.87-0.97= 9.8×0.07= 0.8×0.8= 83×0.08= 2.1×0.5= 4.5×0.3=
2/10
0.46+8= 8.3×0.06= 7.6+1.9= 13×0.5= 9.65-9.3= 0.1×6= 4.1-0= 49×0.5= 46×0.05= 0.58×1= 1.2-0.27= 0.75×5=
0.42×0.01= 92×0.1= 6.1×8= 6.2×9= 8.1+0.1=
0.54×0.07= 7.3+0.38= 7.3×7= 7.5×10= 64×0.02=
0.4×0.06= 7.7+0.69= 16+0.28= 0.61×0.2= 8.2-0.8= 0.31+0.4= 4.1+0= 0.01+66= 72×0.09= 75×0.7= 0.63-0.36= 5.8×0.03= 3.9×0.09= 1.6+0.82= 1.5×2= 6.4×0.03= 7.5×4= 95×0.06= 8.26-0.66= 27.66-27= 102.2-9.2=
8.9×0.03= 7×0.3= 0×8= 3.4×8=
0.36×0.01= 4.7×8=
0.92×0.06= 1.5+7=
46.35-0.35= 94.5-5.5= 0.21×1= 2.6×0.04= 0.54×1= 0.87×3= 0.94×0.4= 3.2+0.94= 11.7-5.3= 47×0.09= 0.16×10= 7.3×0.09= 8.5-7=
3/10
0.78×0.7= 0.5×4=
0.06×0.02= 0.53×0.3= 6.7-0.1=
0.36×0.05= 23.8-7.8= 0.93×0.7= 1.06-0.43= 89+5.5= 1.63-0.43= 0.1+61= 0.38+0.4=
0.93+0.27= 87+6.1= 0.83×7= 3.57-3.5= 11.5-3= 8.3+0.09= 0.47×10= 43×0.07=
0.61+1.2= 0.52+21= 0×0.1= 0.3×8= 0.03×1=
82.12-0.12= 82+0.12=
0.51+0.08= 0.66+27= 9.7×0.2= 0.24×0.1= 85×0.04= 4×8= 7.9+19= 6.1+72= 87×0.7= 10.9-2= 0.03×9= 0.73×1= 0.4×7= 9.3+4.4=
0.03×0.06= 30×0.07= 6×0.1= 80×0.5= 1.2×0.06= 5.6+10= 0.8+0.36= 6.4+5.3= 70×0.4= 5×0.01= 35×0.01= 2.42-0.82= 7.8×0.01= 6×0.4= 2.5×0.08=
0.99×0.03= 31×0.04= 61.1-61= 7.6+0.66= 9.6-4.8= 71.5-62=
4/10
8.2-0.1= 10.8-3.6= 2.3×10= 7.68-0.38= 24×0.2= 0.65+1.3= 9.5-1.9= 13.7-4.4= 4.4×0.7= 1.04-0.53= 15.6-10= 64×0.1= 1.4+0.81= 9.5+62= 0.75×0.1= 8.39-0.09= 95×0.1= 34+8.6= 88+0.67= 0.28×9= 5.3×0.7=
1.5×7= 2.4×6= 2.2×2= 18×0.6= 5.5×6= 55+0.33= 0.75+8.4= 2.4+4.5= 4.14-0.94= 94×0.9= 25×0.6= 11×0.06= 5.9×3= 0.26×0.1= 10+1.4= 16+7.8= 0.78-0.4= 0.3×0.5= 6.6×0.05= 8+5.5= 8.64-0.84= 4.8+4.8=
5.6×0.4=
55.33-0.33= 1.81-1.2= 0.6+7.4= 5×0.9= 93+9.2= 0.25+23= 0.96×0.8= 26+7.1= 0.64×3= 0.27×0.8= 1.16-0.36= 0.78+6.9= 6+0.65= 0.2×0.8= 46+0.35=
0.63+0.43= 0.7+7.1= 26.9-19= 1.3×7= 54×0.5= 39×0.3=
5/10
48.25-48= 0.95×0.2= 8.39-0.69= 8.5+3= 52×0.02= 13.4-7.9= 7.8-7.1= 76.7-70= 6.7+70= 13.5-5.5= 0.68×4= 70.83-70= 6.7×0.06= 5.8×8=
88.67-0.67= 0.79×0.06= 42×0.09= 6.6+0.1= 3.5+0.45= 0.96×0.4= 46×0.1=
78.1-72=
篇三：小学口算练习题小数300道
口算练习题(小数)298道
4.3-2.5= 0.17+0.06= 1.02-0.09=720÷800= 0.17+0.6= 0.83-0.6= 17×300=0.98-0.09= 0.2+0.78= 0.6×0.7=10.2+0.02= 0.15+0.7= 6.7+2.5= 10.2+0.2= 9.2-6.1=8.5÷5= 3.2-3.2=2+2.8= 3.5÷70=3.8+1= 3+0.3= 1.1×9= 1-0.95= 4-0.6= 4.8÷40=0.78÷10= 3.4-2.8=1-0.75=3.05×100= 0.83-0.5=3.7+2.3= 3.8-2.9= 3.1+3= 0.95-0.05=6.3÷9= 9.53-1.53= 0.3+0.27=0.95+0.05= 53÷100= 0.52+0.4= 0.6-0.37= 0.5×1000=1.2-0.8= 0.76+0.14= 2.5×100= 0.35+0.5=3.8+0.38=4.5+7.8= 4.5-0.4= 9.5-0.5= 0.47+0.13= 2.5+3.2= 5.1+2.3=7×1.2= 0.052×10= 7.82+0.3= 21.6-12.6=80÷1000= 3.12-0.32= 0.35+0.63= 7.5÷25=3.1+0.3=9.5-5= 3.5+2.4= 4.5+4= 0.74+0.16= 1.25×80= 0.25×100=10+0.08=13.5+6.5= 63÷100= 2.7+0.4=
0.72-0.42= 0×10.5= 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= 8.8-6.7=3.4-2.8=1.2-0.8=3.56×10= 5.3×0.1=501－98= 3.1×10=32.5÷0.5= 63÷0.7=10÷8= 1.6×3= 0.6×0.7=5×2.1= 9.5-7.3= 1-0.95= 0.96-0.35=0.83-0.5=0.9×7=41.2＋21=0.1×9.02=125×7＋125=2.58÷0.2= 4×1.8=0.8＋7.62= 1.2×0.6= 2.8÷70= 2.5×4×0.5= 7.2+0.8=23×100=9.53-1.53= 2.7+0.4= 30.5÷5= 5.66÷0.2=110÷100= 0.65×5=0.7＋7.32= 0.3＋4.44= 0.12×8= 100÷200= 0.9×0.4=50×0.04 =7.82+0.3= 9.8-4.8= 0.25+0.75= 0.77÷11= 8×0.04＋3= 8.4÷0.7=1.01×9= 0.1×7= 480＋199=2.01×7=4.2÷0.1=6.2×0.3= 2.1÷7÷0.1=3.4÷0.1=
1.26＋0.74=2.34－1.34=6.3÷9= 1.5＋2.5)×0.11= 8.2÷1.9= 1.26＋0.74= 9÷5=1－0.25－0.75= 1.6－0.9= 3.44＋0.56= 1.2÷4=3.1＋2.5＋0.9= 6.8－2.9= 4.2－0.8= 7.34÷2=9.7×2＋0.3×2= 125×4=2.7÷30= 7. 4－2. 4=3.2÷0.04= 0.15÷0.3= 0.08＋5= 1.2÷6=3.2÷1.6= 8×20÷5= 4－3.2＝ 0.81÷0.9=1.8＋0.9＝ 1.6÷0.04= 0.09÷3= 4.2×2=0.6×9=1.01×5= 3.7＋4.2= 0.54÷0.9=3.18×100= 1.8×30= 6.4÷4= 7－0.16= 0.8×1.25×15= 1－0.99＝ 1÷0.01= 0.28＋0.2＝ 0.24×0.5=4.9÷7= 1.1×3= 5.4÷1.8=38×0.01＋0.02= 510÷100=(1.2＋0. 6)×0.1=2.4×3= 34×567×0= 0.4×2.5=3.6＋5.8＋4.2= 41×0.4=0.86÷0. 2= 80×0.4= 0.03÷0.01＋0.3= 3.6÷40=(1.5＋0.5)÷2= 9.9÷3= 9.8－2.9－3.1=0.837－0.837＝7.3＋1.7＝4.1＋4.14＝0.6＋0.8＝0.9÷0.45= 0.48÷0.24=6.5－5.6＝ 9.65－5＝ 1.85×0.1=1.2×0.7=0.86－0.6＝ 0.58－0.41＝ 0.32＋0.21＝ 7.2＋2.8＝
10×0.35= 0. 06×100=0.57－0.27＝ 0.86－0.4＝ 0.74+0.54＝ 0.32+0.21= 12.3÷10= 6.53÷100= 12÷100= 0.16÷10=1－0.42＝ 5.2＋3.5＝ 0.61－0.3＝ 0.8－0.08＝ 3.6÷6= 8.4÷4= 0.64÷8=0.6×8=2.4÷8= 0.06÷3= 20×0.5= 1000×0.09= 6.6＋1.4＝ 3.9－2＝ 0.35÷7=2.8×4= 0.5×0.5= 2.5×10= 0.06×0.9= 0.05×1.6= 0.5×0.05=0.3×0.03= 3.6÷0.3= 0.54÷0.6=0.12÷0.4= 0.45÷0.5= 0.25×4=2.5×0.4=1.25×0.8= 12.5×0.8= 8.5－2.9＝4.8－4＝ 3.8＋4.02＝3.42＋0.48＝
3.7÷0.1=2÷0.2=1.2÷0.03=6.26－3.65－1.35＝ 1.08－0.8＝2－0.01＝7.51＋1.49＝ 4.6＋3＝0÷1.8= 0.8×0.25= 110×0.1= 15÷0.5=0.32÷0.004= 8.1÷0.3= 0.92×0=0.1×0.001= 0.8÷0.02= 3.6÷2.4= 0.2×1.8=4-2.56=1.57+4.02=
9.94-5.83= 2.4×3=24×0.03= 5.6+0.24= 1.74+3.26= 14.7＋3.89－4.7＝ 4.56＋9.1＋0.44＝ 4.2-3.5= 1.76＋2.83＋0.24＝
免费论文网友情提示：本网站所有内容为共享上传提供，不涉及任何商业利益，本站对此不承担任何保证责任！
Copyright © www.csmayi.cn Corporation, All Rights Reserved 共享时代 共享你我他 版权所有