内容正文:
苏教版六年级数学上册第一单元《小数乘法和除法(二)》专项计算打卡练习
第一天
一、口算(直接写出得数)
3.2×0.3= 0.48÷0.6= 1.2×0.5= 7.2÷0.09= 0.25×0.4=
5.6÷0.7= 0.16×0.2= 4.5÷0.5= 2.4×0.2= 0.81÷0.9=
二、竖式计算(带★的要验算)
2.05×1.4= ★3.78÷0.42= 0.56×0.25= ★10.5÷1.4=
4.8×0.35= ★7.28÷0.13= 1.26×0.8= ★5.98÷0.23=
三、脱式计算
3.6×1.5÷0.09 7.8÷0.26×0.5 4.2+5.8×0.3
12.6÷(0.3×0.7) 0.8×(2.5÷0.4) 9.6-7.2÷1.2
第二天
一、口算(直接写出得数)
0.6×0.7= 4.2÷0.07= 1.5×0.4= 0.36÷0.12= 0.12×0.3=
8.1÷0.9= 2.5×0.6= 6.3÷0.21= 0.7×1.1= 5÷0.5=
二、竖式计算(带★的要验算)
3.12×0.65= ★9.36÷0.36= 0.45×1.8= ★14.4÷0.16=
5.2×0.24= ★8.4÷0.35= 1.44×0.5= ★6.72÷0.28=
三、脱式计算
5.4×0.8÷0.06 10.4÷0.13×2.5 6.5-3.5×0.4
7.2÷(0.8×0.3) 1.25×(3.2÷0.4) 3.8+4.8÷0.6
第三天
一、口算(直接写出得数)
1.1×0.6= 0.72÷0.08= 0.3×0.9= 3.6÷0.06= 0.22×0.3=
4.8÷0.8= 3.5×0.2= 0.49÷0.7= 2.2×0.4= 7÷0.2=
二、竖式计算(带★的要验算)
1.84×2.5= ★12.6÷0.28= 0.38×0.45= ★13.5÷0.45=
6.5×0.18= ★9.18÷0.54= 2.04×0.3= ★8.05÷0.35=
三、脱式计算
7.5×0.4÷0.25 15.6÷0.39×0.2 8.2-2.4×1.5
4.5÷(0.5×0.6) 0.9×(4.8÷0.12) 5.6+6.4÷0.8
第四天
一、口算(直接写出得数)
0.8×1.2= 5.4÷0.09= 1.6×0.3= 0.64÷0.16= 0.15×0.6=
3.2÷0.4= 2.8×0.3= 7.5÷0.25= 0.5×1.4= 9÷0.3=
二、竖式计算(带★的要验算)
2.48×0.32= ★15.3÷0.17= 0.64×1.5= ★16.8÷0.24=
3.6×0.42= ★7.56÷0.18= 1.35×0.4= ★9.45÷0.45=
三、脱式计算
4.8×2.5÷0.12 18.9÷0.21×0.4 7.4+2.6×0.7
9.8÷(0.7×0.2) 1.6×(5.5÷0.5) 10.5-4.5÷1.5
第五天
一、口算(直接写出得数)
1.3×0.2= 0.56÷0.07= 0.4×0.8= 6.6÷0.03= 0.24×0.2=
8.4÷0.4= 3.2×0.5= 0.84÷0.12= 1.8×0.5= 12÷0.6=
二、竖式计算(带★的要验算)
3.06×0.48= ★17.5÷0.25= 0.52×1.6= ★19.2÷0.32=
4.5×0.26= ★8.64÷0.32= 1.58×0.6= ★11.7÷0.13=
三、脱式计算
6.2×0.5÷0.31 14.4÷0.48×1.2 9.1-3.1×0.6
6.3÷(0.9×0.7) 2.5×(6.4÷0.8) 4.7+5.1÷0.3
参考答案
第一天答案
一、口算
0.96;0.8;0.6;80;0.1
8;0.032;9;0.48;0.9
二、竖式计算
2.05×1.4=2.87;★3.78÷0.42=9;0.56×0.25=0.14;★10.5÷1.4=7.5
4.8×0.35=1.68;★7.28÷0.13=56;1.26×0.8=1.008;★5.98÷0.23=26
三、脱式计算
3.6×1.5÷0.09
=5.4÷0.09
=60
7.8÷0.26×0.5
=30×0.5
=15
4.2+5.8×0.3
=4.2+1.74
=5.94
12.6÷(0.3×0.7)
=12.6÷0.21
=60
0.8×(2.5÷0.4)
=0.8×6.25
=5
9.6-7.2÷1.2
=9.6-6
=3.6
第二天
一、口算
0.42;60;0.6;3;0.036
9;1.5;30;0.77;10
二、竖式计算
3.12×0.65=2.028;★9.36÷0.36=26;0.45×1.8=0.81;★14.4÷0.16=90
5.2×0.24=1.248;★8.4÷0.35=24;1.44×0.5=0.72;★6.72÷0.28=24
三、脱式计算
5.4×0.8÷0.06
=4.32÷0.06
=72
10.4÷0.13×2.5
=80×2.5
=200
6.5-3.5×0.4
=6.5-1.4
=5.1
7.2÷(0.8×0.3)
=7.2÷0.24
=30
1.25×(3.2÷0.4)
=1.25×8
=10
3.8+4.8÷0.6
=3.8+8
=11.8
第三天
一、口算
0.66;9;0.27;60;0.066
6;0.7;0.7;0.88;35
二、竖式计算
1.84×2.5=4.6;★12.6÷0.28=45;0.38×0.45=0.171;★13.5÷0.45=30
6.5×0.18=1.17;★9.18÷0.54=17;2.04×0.3=0.612;★8.05÷0.35=23
三、脱式计算
7.5×0.4÷0.25
=3÷0.25
=12
15.6÷0.39×0.2
=40×0.2
=8
8.2-2.4×1.5
=8.2-3.6
=4.6
4.5÷(0.5×0.6)
=4.5÷0.3
=15
0.9×(4.8÷0.12)
=0.9×40
=36
5.6+6.4÷0.8
=5.6+8
=13.6
第四天答案
一、口算
0.96;60;0.48;4;0.09
8;0.84;30;0.7;30
二、竖式计算
2.48×0.32=0.7936;★15.3÷0.17=90;0.64×1.5=0.96;★16.8÷0.24=70
3.6×0.42=1.512;★7.56÷0.18=42;1.35×0.4=0.54;★9.45÷0.45=21
三、脱式计算
4.8×2.5÷0.12
=12÷0.12
=100
18.9÷0.21×0.4
=90×0.4
=36
7.4+2.6×0.7
=7.4+1.82
=9.22
9.8÷(0.7×0.2)
=9.8÷0.14
=70
1.6×(5.5÷0.5)
=1.6×11
=17.6
10.5-4.5÷1.5
=10.5-3
=7.5
第五天答案
一、口算
0.26;8;0.32;220;0.048
21;1.6;7;0.9;20
二、竖式计算
3.06×0.48=1.4688;★17.5÷0.25=70;0.52×1.6=0.832;★19.2÷0.32=60
4.5×0.26=1.17;★8.64÷0.32=27;1.58×0.6=0.948;★11.7÷0.13=90
三、脱式计算
6.2×0.5÷0.31
=3.1÷0.31
=10
14.4÷0.48×1.2
=30×1.2
=36
9.1-3.1×0.6
=9.1-1.86
=7.24
6.3÷(0.9×0.7)
=6.3÷0.63
=10
2.5×(6.4÷0.8)
=2.5×8
=20
4.7+5.1÷0.3
=4.7+17
=21.7
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