六年级数学计算题知识竞赛试卷
(比赛时间40分钟,满分100分。)
学校: 班级: 姓名: —— 得分:
一、口算。(10分,每小题0.5分)
3753
8- = ÷×1.9=
4812104113
0.7×0.8= -0.375= 5 +0= ×533416771
12÷ = 1÷7+ = ÷ = 1-1× =
2712431
10-0.9= 9.5+5= 4 - = 7÷1.4=
31133
+ = × ÷0.8= 36÷0.4= 3445二、化简比。(直接写出结果,5分,每小题0.5分)
1
8:10= 1250g: kg= 32:16= 0.15:0.3=
83
:0.25= 150cm:2m= 0.5小时:30分= 4
35
2小时:30分= 20立方分米:0.5立方米= : =
88三、求比值。(直接写出结果,5分,每小题0.5分)
4
0.3: 0.2= 0.7:1.4= 2.4: :1.5=
515
0.15:0.3= 0.8:= 0.125: =
28373
0.6:0.16= 0.75:= : =
4128
1
五、解方程。(30分,每小题2分。)
2241
0.5 x x =0 4x-3×=
3x-112 =2 13x÷34 =12 4( x-1481796×1651
33
x÷167 ×16=28
14 x+12 =36
5253 X=72
59 X÷3=382
155
x-2
5
x=30
x+ 4
5
x =6 16313812
—13
4×8
四、用递等式计算,能简算的要简算。(50分,每小题2分。)
23
+÷0.8 36÷0.4×2.5 25×3.2×1.25 55
89 -89 ×1112747119 ×159 ×1517× 916
1146 ×45
712512×35
3458 )×32
3
4538 )÷(14 + 310
)142÷[1-(1273
)] 53519 ×4 +9×4
( (
51585
× ×16 44-72×× ÷15 4812
1112 -19 +51225×1154 +2 ÷8
88×125 4425 ×101—25
32.6×33-32.6×23
23÷ [9-(3.5+1112×44
916
49 +27 +518÷12
÷(12-1
3
)
(116-3+1
4
)×24
71112 ×[4 ÷(3-1
4 )]
六年级数学计算题知识竞赛评分标准
一、口算。(10分,每小题0.5分,如结果正确但没化成最简分数的不用扣分。)
1325
7.09 0
81811
0.56 0.425 5
3412
24 1
332
9.1 14.5 3 5
373
0.75 90 1216
二、化简比。(直接写出结果,5分,每小题0.5分,如结果正确但没化成最简分数的不用扣分。)
1
8:10=4:5 1250g: kg=10:1 32:16=2:1 0.15:0.3=1:2
83
:0.25=3:1 150cm:2m= 3:4 0.5小时:30分=1:1 4
35
2小时:30分=4:1 20立方分米:0.5立方米=1:25 : =3:5
88
三、求比值。(直接写出结果,5分,每小题0.5分,如结果正确但没化成最简分数的不用扣分。)
31440.3: 0.2= =3 1.2:1.5=
522511851
0.15:0.3=: = 0.125:
22585
5
0.6:0.16=
1537314:=1 :=441289
五、解方程。(30分,每小题2分,要按步给分,漏写“解”扣0.5分。)
2241
0.5 x=8 x-=0 4x-3×=
解: 0.5 x÷0.5=8÷0.5 X=16 3x-12=12 解:3x-12+1112=2+2 3x=1 X=1
3
13 x÷34=12 解:133 x÷4×34=12×34 13 x=9 X=27 3323 x-23 +23+23 22
3 x=3
X=1 x÷167×16=28 解:x×716 ×16=28 7 x=28 X=4 14x+12 =36 解:14x+12 -12=36-12 14 x=24 X=96 6
155
解: 4x-41
5 =5
4x=1
x=1
4
x-2
5
x=30
解:3
5
x=30 35 x÷35 =30÷3
5X=50 x+ 4
5
x =6 解: 9
5
x =6
95÷99
5÷5 X=
10
3
152513134( x- X+ =
43726812
[1**********]3
解:4( x- )÷4=0.8÷4 X÷ ÷ 解: - =- [1**********]8
15117
x- X= [**************]- + =0.2+ ÷ = ÷ 44466246
x=0.45 X=
17
4
817165313
× ÷3= 2 X—× 96519848
88531191解: X=解: X÷3×3= ×3 解:2 X— ++99984484
5911X=1 X=988
559511 X÷ ÷ X= 998916
X=81
40
四、用递等式计算,能简算的要简算。(50分,每小题2分,要按步给分,如结果正确但没化成最简分数的不用扣分,没有用简算的每题扣0.5分。)
23
+÷0.8 36÷0.4×2.5 25×3.2×1.25 5523
= + =90×2.5 =(25×4)×(0.8×1.25) 54
7
23
= =225 =100 20
8811114313-× ×45 ( )÷( + ) [***********]1711=- =×46- ÷ 927=227 =11 =10
79×415 +79 ×1115=74119 ×(15 +15=79 ×1 ==79 =
17× 916 =16×916 +916=9+916916 = 44 =
46461146 =[1**********]×5712+1456 =( 354+8)×32 34 ×32+58×32 =+20 =8
40201722 142 ÷[1-(17 +23)] 142÷[1-1121 ] 1442÷2118 59 ×3514 +9 ×459×(34 +1
4 )
5
9×1
59
51585
× ×16 44-72× ×÷15 [1**********]1= × (×16) = 44-30 =× ×489161551= ×2 = 14 =4=5
2
1112-19+512 = 115112 +12-9= 1219 -9 == 119 =
88×125 =8×11×125 = =8×125×11 = =11000 =16
25×14+152 ÷8 25 ×14+182×5110 +810910 =1425×101425 18425×(101-1) =184
25×100 =108
9
5449+2517 +18÷249+25
7+18 ×2 49 +59 +2727 ÷(12 -1
3)
÷1
6
=
111
32.6×33-32.6×23 ( -+)×24
634111
= 32.6×(33-23) = ×24-×24+ ×24
634=32.6×10 =4-8+6 =326 = 2
23÷ [9-(3.5+12×114=23 ÷(9-4)×114 ==23 ÷5×114=21113 ×5 ×4= 11
30
712 ×[14 ÷(11
3-4)] 712 ×(14 ÷1127
12 ×3 74 10
六年级数学计算题知识竞赛试卷
(比赛时间40分钟,满分100分。)
学校: 班级: 姓名: —— 得分:
一、口算。(10分,每小题0.5分)
3753
8- = ÷×1.9=
4812104113
0.7×0.8= -0.375= 5 +0= ×533416771
12÷ = 1÷7+ = ÷ = 1-1× =
2712431
10-0.9= 9.5+5= 4 - = 7÷1.4=
31133
+ = × ÷0.8= 36÷0.4= 3445二、化简比。(直接写出结果,5分,每小题0.5分)
1
8:10= 1250g: kg= 32:16= 0.15:0.3=
83
:0.25= 150cm:2m= 0.5小时:30分= 4
35
2小时:30分= 20立方分米:0.5立方米= : =
88三、求比值。(直接写出结果,5分,每小题0.5分)
4
0.3: 0.2= 0.7:1.4= 2.4: :1.5=
515
0.15:0.3= 0.8:= 0.125: =
28373
0.6:0.16= 0.75:= : =
4128
1
五、解方程。(30分,每小题2分。)
2241
0.5 x x =0 4x-3×=
3x-112 =2 13x÷34 =12 4( x-1481796×1651
33
x÷167 ×16=28
14 x+12 =36
5253 X=72
59 X÷3=382
155
x-2
5
x=30
x+ 4
5
x =6 16313812
—13
4×8
四、用递等式计算,能简算的要简算。(50分,每小题2分。)
23
+÷0.8 36÷0.4×2.5 25×3.2×1.25 55
89 -89 ×1112747119 ×159 ×1517× 916
1146 ×45
712512×35
3458 )×32
3
4538 )÷(14 + 310
)142÷[1-(1273
)] 53519 ×4 +9×4
( (
51585
× ×16 44-72×× ÷15 4812
1112 -19 +51225×1154 +2 ÷8
88×125 4425 ×101—25
32.6×33-32.6×23
23÷ [9-(3.5+1112×44
916
49 +27 +518÷12
÷(12-1
3
)
(116-3+1
4
)×24
71112 ×[4 ÷(3-1
4 )]
六年级数学计算题知识竞赛评分标准
一、口算。(10分,每小题0.5分,如结果正确但没化成最简分数的不用扣分。)
1325
7.09 0
81811
0.56 0.425 5
3412
24 1
332
9.1 14.5 3 5
373
0.75 90 1216
二、化简比。(直接写出结果,5分,每小题0.5分,如结果正确但没化成最简分数的不用扣分。)
1
8:10=4:5 1250g: kg=10:1 32:16=2:1 0.15:0.3=1:2
83
:0.25=3:1 150cm:2m= 3:4 0.5小时:30分=1:1 4
35
2小时:30分=4:1 20立方分米:0.5立方米=1:25 : =3:5
88
三、求比值。(直接写出结果,5分,每小题0.5分,如结果正确但没化成最简分数的不用扣分。)
31440.3: 0.2= =3 1.2:1.5=
522511851
0.15:0.3=: = 0.125:
22585
5
0.6:0.16=
1537314:=1 :=441289
五、解方程。(30分,每小题2分,要按步给分,漏写“解”扣0.5分。)
2241
0.5 x=8 x-=0 4x-3×=
解: 0.5 x÷0.5=8÷0.5 X=16 3x-12=12 解:3x-12+1112=2+2 3x=1 X=1
3
13 x÷34=12 解:133 x÷4×34=12×34 13 x=9 X=27 3323 x-23 +23+23 22
3 x=3
X=1 x÷167×16=28 解:x×716 ×16=28 7 x=28 X=4 14x+12 =36 解:14x+12 -12=36-12 14 x=24 X=96 6
155
解: 4x-41
5 =5
4x=1
x=1
4
x-2
5
x=30
解:3
5
x=30 35 x÷35 =30÷3
5X=50 x+ 4
5
x =6 解: 9
5
x =6
95÷99
5÷5 X=
10
3
152513134( x- X+ =
43726812
[1**********]3
解:4( x- )÷4=0.8÷4 X÷ ÷ 解: - =- [1**********]8
15117
x- X= [**************]- + =0.2+ ÷ = ÷ 44466246
x=0.45 X=
17
4
817165313
× ÷3= 2 X—× 96519848
88531191解: X=解: X÷3×3= ×3 解:2 X— ++99984484
5911X=1 X=988
559511 X÷ ÷ X= 998916
X=81
40
四、用递等式计算,能简算的要简算。(50分,每小题2分,要按步给分,如结果正确但没化成最简分数的不用扣分,没有用简算的每题扣0.5分。)
23
+÷0.8 36÷0.4×2.5 25×3.2×1.25 5523
= + =90×2.5 =(25×4)×(0.8×1.25) 54
7
23
= =225 =100 20
8811114313-× ×45 ( )÷( + ) [***********]1711=- =×46- ÷ 927=227 =11 =10
79×415 +79 ×1115=74119 ×(15 +15=79 ×1 ==79 =
17× 916 =16×916 +916=9+916916 = 44 =
46461146 =[1**********]×5712+1456 =( 354+8)×32 34 ×32+58×32 =+20 =8
40201722 142 ÷[1-(17 +23)] 142÷[1-1121 ] 1442÷2118 59 ×3514 +9 ×459×(34 +1
4 )
5
9×1
59
51585
× ×16 44-72× ×÷15 [1**********]1= × (×16) = 44-30 =× ×489161551= ×2 = 14 =4=5
2
1112-19+512 = 115112 +12-9= 1219 -9 == 119 =
88×125 =8×11×125 = =8×125×11 = =11000 =16
25×14+152 ÷8 25 ×14+182×5110 +810910 =1425×101425 18425×(101-1) =184
25×100 =108
9
5449+2517 +18÷249+25
7+18 ×2 49 +59 +2727 ÷(12 -1
3)
÷1
6
=
111
32.6×33-32.6×23 ( -+)×24
634111
= 32.6×(33-23) = ×24-×24+ ×24
634=32.6×10 =4-8+6 =326 = 2
23÷ [9-(3.5+12×114=23 ÷(9-4)×114 ==23 ÷5×114=21113 ×5 ×4= 11
30
712 ×[14 ÷(11
3-4)] 712 ×(14 ÷1127
12 ×3 74 10