小学五年级口算竞赛试题一

小学五年级数学速算比赛试题（一） 姓名________ 分数________

口算

0.36÷0.4= 6.3÷7= 0.64÷0.8= 0.72÷3.6= 3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8= 10÷20= 24÷15= 12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41= 5.6÷100= 8.65×10= 0.35×0.6= 3.08×0.01= 4.95×1000= （1.2＋8.8）×0.4= 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= 1÷2.5= 0.22×102= 0.75÷0.25= 0.7×9= 5.2÷13= 4.7+2.3= 0.62－0.32= 1.2×500= 875+12.5= 3.23－0.9= 28.3-5.3+7.3= 3.6÷0.5×2= 1.5×8+8×1.5= 3.52÷1＝

5392÷9≈

8.4÷0.4﹦

294×3≈

0.42÷7=

240÷77≈ 6.3÷0.021= 5×0.7= 3.6-0.36= 9.4×0.2=

3.28×0.1= 3.9÷0.13= 0.25×0.4= 1.6÷0.8= 1.25×0.8= 7.2×0.1= 0.01×0.1= 3.2÷0.04= 9÷0.25÷4= 0.25×3.97×4= 0÷0.125= 6.9×0.1= 0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4= 3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4= 1.64+4.1= 10÷20= 24÷15= 0.35×0.6= 4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4= 1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3= 756÷7= 494-98= 0.25×48= 0.4÷0.08= 3÷0.125= 9.6÷32= 9.83-8.3= 3.6÷7.2=

5.25×4= 12-6.8-2.2= 5.2+0.37+4.8= (0.15+5)×4= 0.25×32×1.25= 7-1.45+0.55= 15÷0.5×2= 5.82-(4.2-0.18)= 7.2÷0.2÷18= (200+4)×25= 18÷0.125÷8= 4.75×120÷475= (0.25+12.5)×8= (8-1.25)×8= 1.8×9+3.2×9= 37.2×99＋37.2= 708×28≈ 6.4÷4﹦ 1.5÷0.3﹦ 1×0.4÷1×0.4= 1.8×5﹦ 7.2÷0.9﹦ 640×12≈ 25×4÷0.25×4= 2.2×6﹦ 271÷31≈ 4.5÷0.9﹦ 5－1.9÷5﹦ 2.5×4﹦ 25×3.3×0﹦ 2.5×0.4= 88＋12×7.2﹦ 0.3÷0.1﹦ 420÷58≈ 1.2÷0.04= 1.25×3.3×8﹦ 789×4≈ 0.7+3= 1.2×0.8= 0.9×7+10.7= 1.5÷0.03= 6.8-2.4÷3= 632÷91≈ 0.6÷0.3+0.5= 0.43×5= 3.6÷0.9-4= 240÷37≈ 1.8÷0.9×0.5= 8.1-2.2= 72×125= 6.8＋8.6= 6×0.125×8= 580-400= 43×0.01﹦ 3.72×0.2= 11.9÷ 7.2× 二、脱式计算（每题2分，共40分） 1280÷16÷8 27.3-7.3-2.7 9.8+26.5+20.2 3200÷4÷25 = = = = 17×23-23×7 2000÷125÷8 6.7+2.5+3.3+7.5 12.5×(8×14) = = = = 99×3.8+3.8 2.5+7.5-2.5+7.5 48.7-18.7-13.9-6.1 2.5×(4+8) = = = =

13.5+39+6.5+11 60+255+40 1250÷25÷5 = = =

（85-63.7）×（13.8÷6） 0.25×80-0.45÷9 762÷125÷0.4 = = =

五年级小数点口算题

3.4－1.4= 7.82－7.2= 2.1910.1－0.89= 0.68＋0.42= 8.10.728－0.24= 0.8＋0.18= 0.891－0.98= 0.048＋0.52= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10= 75÷10= 800-138-162 = 8.6+7.8×34÷6.8 =

＋9.1= －5.1= －0.25= 5×400= ÷0.8=

0.960.8×7＝ 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＝ 12.5×8＝ 2.3×4＝ 3.25×0＝ 0.4×50＝ 304.1×2＝ 0.351－0.08＝ 3.50×9.8＝ 3.90.5×0.4 ＝ 48.1÷9＝ 2.53.6＋6.3＝ 0.050÷3.5＝ 0.9

9×0.5＝ 1.254.1×2＝ 0.350.9×0.3＝ 11.25×8＝ 0.2100－35.22＝0.22×4＝ 0.90×3.52＝ 2.50.34÷17＝ 2.50.34÷0.17＝0.72÷0.6＝ 2.60÷3.65＝ 7.82×0.1＝ 2.6×0.2＝ 7.5×0.01＝ 1.25＋0.39＝ 4.8÷0.25＝ 3×4＝ 6×4＝ 3.5×0.3＝ 1五年级数学口算练习×8＝ 2.6×0.2＝ 7.5×0.06＝ 9×0.4＝ 8.2×0.4＝ 2.4－0.52＝ 3.99÷5＝ 8.4÷0.5＝ 8.4÷4＝ 1.2÷1.3＝ 0.6÷1 ＝ 0.001×3＝ ×0.1＝ ÷0.25＝ ＋5.2＝ ÷4＝ －0.025＝ ×0＝ ×0.06＝ ×3＝ ×0.1＝ ×0.5＝ ＋1.8＝ ×5＝ ×1＝

÷7＝ ÷0.7＝ ×6＝ ×0.3＝ ÷0.1＝

2.5 30.41.4÷0.7＝ 3.6÷0.06＝ 5.6÷0.9＝ 5.6÷1.4＝ 0.48÷0.8＝ 4.4÷0.11＝ 4.2×3 ＝ 3.2×0.4＝ 0.3÷0.01＝ 4÷0.5＝ 5.1÷0.17＝ 0.28÷1.4＝ 0.9÷0.45＝ 9.6÷16＝ 1÷0.01 ＝ 0.01÷1＝ 7.5÷1.5＝ 0.81÷9＝ 3÷0.5＝ 100÷3.89＝ 3.526.4÷4﹦ 1.54.2×3﹦ 1班级： 1.8×5﹦ 7.22.2×6﹦ 8.44.5÷0.9﹦ 2.52.5×4﹦ 0.34.5×2= 7.8+0.22= 23.4×0.4= 12.61.2÷0.04= 0.420.9＋2.01= 2.976.3+7= 2.190. 65×0.2= 9.8-0.98= 1-0.10.7+3= 1.26.3÷0.021= 1.55×0.7= 0.433.6-0.36= 6.8＋8.6= 9.4÷25＝ 4.8÷1＝ 37.2÷0.3﹦ 1×0.01÷0.1= 1.25姓名：

五年级数学口算练习÷0.9﹦ 25÷0.4﹦ 9×4﹦ 25÷0.1﹦ 37.2－0.9= 2÷7= 1.25÷100= 20＋9.1= 5×0.8= 0.9÷0.03= 6.8-2.4×5= 3.6×0.2= 1.8÷0.16＝ ×99＋37.2= ×0.4÷1×0.4= ÷0.5= ×4÷0.25×4= ÷5－1.9÷5﹦ ×3.3×0﹦ ×99＋37.2﹦ －0.64－0.36﹦ －1.64－0.36﹦ ×3.3×0﹦ －3.7－7.3= ×0.75÷1.5×0.75= ×0.1= ×7+10.7= ÷3= ÷0.9-4= ÷0.3+0.5= ÷0.9×0.5=

8.1-2.2= 0.62－1.08= 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＝

一、口算

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= 5.7÷0.3= 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）

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