2024年4月4日发(作者:揭阳中考试卷数学试卷分析)
五年级数学小数计算、简便计算专项
计算练习(一)
1.口算:
0.63×2= 4.8÷0.6= 1.7+3= 89÷10= 4×9×0.25=
1.25×16= 9.6÷32= 2-0.09= 10×0.25= 8.5-0.24-1.76=
0.2-0.02= 0.1÷0.05= 4×0.5= 0.26+0.74= 0.4+0.4÷0.1=
0.5×0.8= 0.72÷0.9= 3.5+7.6= 1.23÷3= 5.4×2÷5.4×2=
2.竖式计算(最后1题保留一位小数):
32.5÷2.5= 6-1.78= 2.3÷0.46= 1.36×0.05= 1.55÷3.8≈
3.简便计算:
13.6+(4.28+6.4)+5.72 147.3-28.4-71.6 139.46-(58.74+19.46) 72÷1.25÷8
计算练习(二)
1.口算
0÷0.24= 0.7×0.03= 5.9÷0.01 = 9.5÷0.95= 2×0.8÷2×0.8=
1.4+0.46= 8.01+0.19= 0.5÷100= 28.14÷14= 16÷1.6=
0.54÷18= 0.025×4.4= 7.38-5.88= 9.7—0.97= 1.2×0.5=
24.06+0.4= 0.6×0.6= 5.4÷0.9= 5.1-2.4= 12.5×0.8=
2.竖式计算(最后1题保留两位小数):
0.06×1.7= 12.8÷4= 1.69÷2.6= 6.2-5.99= 40÷60≈
3.简便计算:
0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 70÷28 15÷(0.15×0.4)
计算练习(三)
1.口算
2-0.11= 1.4+6= 5.2-2= 10.32-3.2= 1.2×0.4+0.4×1.3=
100×3.3= 1.2÷6= 0.35÷7= 12.5×8= 2-0.65-0.35=
0.4×0.02= 3.5+7.6= 1.23÷3= 2.4×2.5= 16÷1.6=
0.35×80= 0.32÷16= 82.5-3.25= 2.6×0.5= 1.09+0.11=
2.竖式计算(最后1题得数精确到百分位):
0.06×4.73= 6.5×0.69= 75.45÷15= 105÷0.5= 300÷45≈
3.简便计算:
8.6÷4.5+18.4÷4.5 (1.25-0.125)×8 3.6×102 2.22×9.9+6.66×6.7
计算练习(四)
1.口算
2÷4= 2.8÷0.4= 3.2÷0.8= 9÷0.03= 20-12.3=
2.4×0.3= 3.4÷1.7= 10×0.7= 4×0.25= 2.8-2.73=
0.16×100= 8×0.125= 2.7÷100= 5×1.6= 1.9×0.01=
2×0.5= 0.036×1000= 52÷10= 0.6×0.3= 3.85-2.55=
2.竖式计算(最后1题得数精确到十分位):
0.125×8= 9.7+0.97= 0.9÷0.01= 20÷0.04= 6÷11≈
3.简便计算:
15.6×13.1-15.6-15.6×2.1 25.48一(9.4-0.52) 320÷1.25÷8 3.65×10.1
计算练习(五)
1.口算
2.05×4= 6.3÷21= 11÷0.11= 0.8-0.08= 10.1×30=
1.75+25= 2.9×0.2= 0.6-0.34= 0.125×0.8= 0.25×400=
0.09×100= 1÷0.1= 7×0.11= 72÷0.8= 0.25×16=
0.04÷10= 0.8×0.4= 3.2×20 = 9.1÷0.7= 24÷0.6=
2.竖式计算(最后1题得数保留整数):
99.1×4.5= 0.035×5.64= 5.78÷17= 44.8÷0.14= 100÷8.5≈
3.简便计算:
(45.9-32.7)÷8÷0.125 4.2×99+4.2 8.9×1.01 709×0.92+8×7.09
计算练习(六)
1.口算
3.5-3.2= 7.3-3.7= 0.28÷0.4= 3.25×4= 3.2—1.34—1.66=
5.1÷0.17= 0.55÷0.11= 1.5—0.03= 0.1-0.01= 1.8÷4÷0.5=
1÷2= 2.6÷1.3= 40÷80= 55÷0.5= 0.27+0.32=
1.2×0.5= 6.3÷0.7= 7.5+0.25= 0.34×7= 2.01+0.9=
2.竖式计算(最后1题得数精确到千分位):
10.8+4.59= 8.84÷17= 62.1÷0.03= 2.28×8.5= 312÷76≈
3.简便计算:
7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 0.25×16.2×4 (8.25-3.75)÷2.5÷4
计算练习(七)
1.口算
3.4-1.4= 0.4×0.4= 7.82-7.2= 36÷0.18= 2.19+9.1-2.19+9.1=
10.1+0.89= 28.6÷11= 0.8×0.8= 50×1.6= 25÷10+0.17=
0.5÷100= 7÷1.4= 1.24×5= 4.8÷12= 0.54÷6=
0.1÷0.02= 0.77+0.33= 0.25÷0.05= 80×0.05= 1.5÷0.3×0.4=
2.竖式计算(最后1题得数保留两位小数):
0.68×4.47= 36.8÷16= 4.48÷1.4= 16-6.69= 2.24÷1.8≈
3.简便计算:
3.72×3.5+6.28×3.5 17.8÷(1.78×4) 1.25×2.5×32 4.8×100.2
计算练习(八)
1.口算
0.1×0.7= 1.2÷0.3= 41.6÷8= 8.1-5.1= 0.44÷0.2=
5.5×0.2= 4.8×0.6= 44.8÷8= 4.8÷4= 0.68+0.42=
4.32÷0.8= 7.7×6= 1.6×0.5= 17.6-2= 5.5×2=
63.7÷7= 28÷5= 0.36÷0.9= 7.3×6= 0.202÷2=
2. 竖式计算(最后1题得数保留一位小数):
16.8×0.25= 1.64÷0.8= 9.4÷11= 0.9÷0.045= 30÷43≈
3.简便计算:
4×(9.3-5.7)+3.6 0.67×99 6.8+1.25×6.8×8 0.025×40.1
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