苏教版小学数学六年级下册口算训练
国内旅游景点大全-冬至日期
苏教版小学数学六年级下册口算训练
一、口算。
3.14×2=
3.14×3= 3.14×4= 3.14×5=
3.14×6= 3.14×7= 3.14×8=
3.14×9=
3.14×10= 3.14×20 =
3.14×1.5 = 3.14
3.14×500 = 3.14×0.6 =
3.14×0.5 = 3.14
9
2
=
10
2
= 11
2
=
12
2
= 13
14
2
=
15
2
= 16
2
=
17
2
= 18
20
2
=
25
2
= 30
2
=
50
2
= 100
12×1.5 = 12×3=
12×4= 12×0.5= 12
12×6= 12×7=
12×8= 12×9= 13
13×4= 13×5=
13×6= 13×7= 14
14×3= 14×4=
14×5= 14×0.5= 14
14×7= 15×3=
15×4= 15×5= 15
15×7= 16×0.5=
16×1.5 16×2= 16
16×4= 16×5=
17×2= 17×3= 17
17×5= 18×2=
18×3= 18×4= 18
19×2= 19×3=
19×4= 19×5= 20
22×0.5= 22×1.5 =
23×3= 23×4= 24
24×4= 24×5 =
25×3= 25×4= 26
×100 =
×80 =
2
=
2
=
2
=
×5=
×3=
×1.5 =
×6=
×6=
×3=
×4=
×5=
×5=
×3=
×2=
26×3= 27×2=
27×3= 28×2= 28×3=
5.1÷17=
2.5×4= 1.25×8= 0.17×3=
0.23×3=
1.5×0.6= 1.23÷3= 1.2×7=
0.5÷100=
8.8÷1.1= 6.9÷2.3= 1.3×9=
8.5÷17=
0.1×0.1= 2.36-0.99= 3.4
0.57+1.53=
65÷50= 0.72×5= 1.14+0.98=
0.91÷0.13= 7.06÷2= 0.16÷0.8=
8.7
7÷1.4= 5÷0.2= 0.84÷4=
7.9-0.6=
3.14×1= 3.14×2=
3.14×3= 3.14
3.14×5= 3.14×6=
3.14×7= 3.14
3.14×9= 3.14×10=
3.14×3= 3.14
3.14÷3.14=
6.28÷3.14=
15.7÷3.14=
18.84÷3.14=
21.98÷3.14= 25.12
28.26÷3.14=
3.14×1
2
= 3.14×2
2
=
2×3.14×5=
2×3.14×4.5= 9.42÷3.14÷3=
2
4×3.14×5=
15.7÷3.14÷5= 2×3.14×2=
×0.4=
÷2.9=
×4=
×8=
×4=
9.42÷3.14=
÷3.14=
3.14×3
2
=
×3.14×2.5=
0.4-0.31=
1.4×0.6=
314231
+ = 2 +
= 3 - = - =
449342
733147
+ = + =
- = 0.51÷17
8855
1010
= 32.8+19=
5.2÷1.3= 1.6×0.4= 4.9×0.7= 1÷5=
6÷12=
0.87-0.49= 17×40=
10 3.2+1.68= 2.8×0.4=
14-7.4=
1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4
= 4÷20=
3.5×200=
1.5-0.06= 0.75÷15= 0.4×0.8= 4
×0.25=
0.36+1.54= 1.01×99= + =
3:4=
1:5= 19:76= 16:32=
18:24= 6:4= 2:3=
4:8=
15:5= 55:11= 56:28=
78:39=
0.01:7= 1:0.3= 9:0.9=
4:1.6=
50:4= 6:4=
0.4:0.7= 0.3:5=
0.1:3.4=
0.36:0.18= 9:12= 4.5:6=
9:4.5= 0.6:3= 6:24=
2:6=
12:24= 16:18= 10:6=
1.5:30=
3
4
7
8
3.14×2=
3.14×10= 3.14×5= 3.14×8=
3.14×6= 3.14×7= 3.14×9=
3.14×3=
3.14×4= 12.56÷3.14=
5.7÷3.14= 9.42
3.14=
25.12÷3.14=
628÷3.14= 188.4÷3.14= 18.84
3.14=
3.14×1
2
= 3.14×2
2
=
3.14×3
2
=
5=
2×3.14×4.5=
9.42÷3.14÷3= 2×3.14×2.5= 4
5=
15.7÷3.14÷5= 2×3.14×2= 0.4-0.31=
二、将下列分数先化成小数,再化成百分数。
÷
÷
2×3.14×
×3.14×
×0.6= 1.4
1
2
3
4
2
5
4
1
( )=( )
4
1
( )=( ) =( )=( )
5
3
( )=( )
( )=( )
5
1
( )=( )
( )=( )
( )=( )
58
3
( )=( )
5
88
(
7
8
( )=( )
1
16
(
三、巧算。
12-6.2-3.8= 8.9+3.8+1.1= 0.25
12.5×9-12.5= 1.24+0.36÷6= 0.25
25×3.9×0.4= 1.25×7+1.25= 5000
3.14×1.25×0.2×4=
125×16= 0.875
)=( )
)=( )
×3+0.25=
×0.7×4=
×2.25%×80%=
×24 =