1.口算下列各题
5+
= 10
3
72- =
12
5
3
3 - = 88
38
+16 =
12- =
6
5
224- =
3
101 + = 134
4- =
2
1
35
+10=
56
+4=
14- =
6
5
29- =
3
23
+9=
3
1 + = 82
38
+12=
58
+32=
5
3 + = 94
5
1 + = 94
54
+16=
18
+16 =
1
2 + = 59
13
+0=
1
2
+ = 45
56
+12=
+ = 1214
73
45× =
5
3
9× = 18
7
23
×
= 10
9
×100= 25
4
1
18× =
6
11 × = 114
4
17×
=
16
9
5 × =
4
3
3
× = 82
1
38
×12=
13
×0=
38
× =
2
1
1
× = 45
2
56
×12=
× = 1214
73
45× =
5
3
9× = 18
7
23
×
= 10
9
×100= 25
4
1
18× =
6
11
× = 114
4
17×
=
16
9
5 × =
4
3
14
× =
5
2
56
×12=
× = 1214
73
45× =
5
3
9× = 18
7
23
×
= 10
9
×100= 25
4
1
18× =
6
11 × = 114
4
17×
=
16
9
5 × =
4
3
58
×32=
59
× =
4
3
5
× = 94
1
54
×16=
18
×16 =
1
× = 59
2
5×
= 10
3
72× =
12
5
3
3 × = 88
38
×16 =
12× =
6
5
24× =
3
2
101
× = 134
14× = 2
35
×10=
56
×4=
14× =
6
5
29× = 3
23
×9=
45× =
5
3
9× = 18
7
23
×
= 10
9
×100= 25
4
1
18× =
6
11 × = 114
4
17×
=
16
9
5 × =
4
3
3
× = 82
1
38
×12=
13
×0=
38
× =
2
1
38
×12=
13
×0=
1
× = 45
2
56
×12=
× = 1214
73
45× =
5
3
9× = 18
7
23
×
= 10
9
×100= 25
4
1
18× =
6
11 × = 114
4
17×
= 16
9
5 × =
4
3
1
× = 45
2
56
×12=
× = 1214
73
45× =
5
3
9× = 18
7
23
×
= 10
9
56
×12=
× = 1214
73
45× =
5
3
9× = 18
7
23
×
= 10
9
×100= 25
4
1
18× =
6
11 × = 114
4
6.5×5 6.5=
1×0.85=
4.73×3.9=
47.3×3.9=
47.3×0.391=
0.473×0.39=
2.4×5=
1×1.25=
0.45×0.09=
6.2×0.03=
0.125×0.125=
9.9×2.5×0.4=
9×0.18=
0.25×16=
0.7×8=
3.05×4=
6.8×2=
5.2×3.05×4.8=
47.3×0.391=
0.473×0.39=
0.45×0.09=
6.2×0.03=
38
×12=
13
×0=
0.77×1.1=
1.2-0.08=
8- 0.52=
2.5× 3.6 =
4. 9.4×6=
5.0.8×0.92=
1.3×0.4=
5.43×0.86=
78.58×3.7=
0.85×1.01 =
9×2.3=
0.1×0.01 =
0.28×35=
4.68×4.5=
0.25×0.5=
2.5×1.25=
25.7×3.29=
6.71×25.7=
8- 0.52=
2.5× 3.6 =
0.45×0.09=
6.2×0.03=
1.05×0.1=
17.5×7.5×2=
5.5×11=
1.6×0.5=
2.5×0.4=
0.36×0.9=
1.25×8=
1.6×0.4=
0.48×4=
0.9×0.6=
13.2+4.8=
6.3-0.9=
0.25×2.4=
3×1.03=
23
+9=
58
+32=
5
3 + = 94
5
1 + = 94
2.5×0.4=
0.36×0.9=
1.3×0.4=
5.43×0.86=
54
+16=
18
+16 =
1
2 + = 59
5+
=
10
3
72- =
12
5
3
3 - = 88
38
+16 =
12- =
6
5
224- =
3
101 + = 134
14- = 2
23
+9=
3
1
+ = 82
38
+12=
13
+0=
23
+9=
58
+32=
35
+10=
56
+4=
14- =
6
5
29- =
3
23
+9=
3
1
+ = 82
38
+12=
13
+0=
1
4 +25
= 56
+12=
7 + 3
1214
=
45× =
5
3
×100= 25
4
1
18× =
6
11 × = 114
4
17×
=
16
9
5 × =
4
3
38
× =
2
1
38
×12=
13
×0=
9× = 18
7
23
×
= 10
9
1
× = 45
2
56
×12=
× = 1214
73
45× =
5
3
9× = 18
7
23
×
= 10
9
×100= 25
4
1
18× =
6
11 × = 114
4
17×
=
16
9
5 × =
4
3
58
×32=
54
×16=
18
×16 =
15
× =
9
2
5×
= 10
3
72× =
12
5
3
3 × = 88
38
×16 =
12× =
6
5
59
× =
4
3
5
× = 94
1
24× =
3
2
101 × = 134
14× = 2
35
×10=
56
×4=
14× =
6
5
29× = 3
23
×9=
3
× = 82
1
38
×12=
13
×0=
1
× = 45
2
56
×12=
× = 1214
73
45× =
5
3
9× = 18
7
23
×
= 10
9
×100= 25
4
1
18× =
6
11 × = 114
4
17×
=
16
9
5 × =
4
3
56
×4=
38
×12=
38
×16 =
×100= 25
4
1÷4=
10÷5=
7÷3=
1×1/2÷5=
4/5÷2=
1/4÷4=
1
18× =
6
11 × = 114
4
23
×
= 10
9
4÷1/2=
2÷2/3=
2÷1/3=
4÷1/3=
4÷1/4=
4÷1/4=
2÷1/2=
8÷2/3=
5/12÷3=
6÷1/4=
2/3÷1/5=
4/9÷2/3=
8/3÷4=
1/3÷3/4=
5/6÷1/4=
7/12÷7=
5/7÷7/5=
6/5÷3=
10÷1/2=
25÷5/6=
5/6÷4/3=
6÷3/5=
6÷3/4=
6÷1=
6÷3/2=
6÷5/2=
3÷1/4=
6÷2/9=
4÷4/9=
4÷1/3=
7÷1/5=
4÷3/4=
1/12÷5/8=
47÷8=
6÷23=
1÷38=
2/3÷1/9=
54÷2/3=
35÷7/4=
16÷1/2=
28.5÷1.5=
42÷8=
8×1/4=
1/5÷2/3=
7÷7/5=
3/4÷4=
7/9×6/5=
1/5+1/4=
9/4÷3/2=
5/18÷5/18=
8/3÷2=
2/5÷4=
4/7÷7/4=
100×8/15=
3/7×5/9=
12÷8/5=
2/3÷4/15=
5/12÷15/4=
6/25÷3/10=
7/20÷3/10=
写出下面各数的倒数。1/9 12 1 2/3
5/13
1/4
5/18 2/5 4/7
7/5 7/9 3/4
6/5 1/5 3/40
5/8 8/9 5/11
填空
1、棱长为1厘米的正方体,体积是( )。
2、棱长为1分米的正方体,体积是( )。
3、棱长为1米的正方体,体积是( )。
4、1升=( )立方分米
1毫升=( )立方厘米
立方米=( )立方分米
720立方厘米=( )立方分米
填上合适的单位。
一苹果的体积约是120( )。一个西瓜的体积约是8( )。一 台冰箱的容积约是150(
。
)
一 个火柴盒的体积约是12( )。
一 个墨水瓶的容积约是60( )。
一个热水瓶的溶剂约是2( 一块橡皮的体积约是10 ( 一 本词典的体积约是900( 一个文具盒的体积约是0.35( 一个讲台的体积约是0.6( 计算体积。
。
。
)。
)。
)。
) )
1、一个长方体,长20厘米,宽12厘米,高厘米。
2、一个正方体,棱长是6分米。
3、一个长方体底面积是60 立方厘米,高7厘米。
4、一个长方体,底面是边长为2平方分米的正方形,高5分米。
算一算。
12×1/2= 3/11×2= 3×2/9=
9/16×12= 10×7/15= 3/4×16=
7×7/10= 4×3/13= 21×5/14=
12×1/4= 1/3×3= 1/9×3=
5/2×2= 4/5×2= 6×1/2=
算一算。
3/4÷4= 9/4÷3/2= 6/13÷9= 16÷1/2= 8×1/4= 7/9×6/5= 1/5+1/4=
5/18÷5/18= 8/3÷2=
5/8÷10= 8/15÷6=
28.5÷1.5= 42÷8=
÷2/3= 7÷7/5=
1/5
直接写得数
3/4×5/6= 3/7×1= 5/8×7/15=
0÷2/3= 8/15×9/16= 4/5×2/3=
4/5÷1/10×7/12= 5/9×4/5÷8/27=
8/11÷7/8×3/8= 3/7×14×1/3=
1、 计算题
3/7 × 49/9 - 4/3 12× 5/6 – 2/9 ×3
1、计算
4.8× 5/4 + 1/4 5/2 -( 3/2 + 4/5 2、简算
23992011 22545 1、 直接写得数
4/7 × 5/9 + 3/7 × 5/9 7/8 + ( 1/8 + 1/9 ) (1056)45 1 21151312
)
5/9×3/10= 1/2×4/7= 7/9÷2/3=
2/5÷2/5= 5/9-3/9= 5/7+2/5=
3/4-2/5= 5/6×3/5= 4/7÷12=
2、计算
3/4 × 8/9 - 1/3 7 × 5/49 + 3/14
8×4/5+8 × 11/5 31 × 5/6 – 5/6
1、 计算
5/9 × 18 – 14 × 2/7
4/5 × 25/16 + 2/3 × 3/4
14×8/7–5/6 × 12/15
17/32 – 3/4 × 9/24
45 × 2/3 + 1/3 × 15
7/19 + 12/19 × 5/6
8/7 × 21/16 + 1/2
101 × 1/5 – 1/5 × 21
6756118 —1211
151121223
5/9-3/9= 5/7+2/5=
5/9-3/9= 5/7+2/5=
口算题卡
1、 写出下面的百分数
百分之十五( ) 百分之三十(百分之十四点六( ) 百分之零点四( 2、 把下面小数或分数化成百分数
)
)
0.35=( )% 1.02=( )%
1=( )% 0.012=( )%
3/5=( )% 7/8=( )%
13/10=( )% 1/5=( )% 3、 把百分数化成分数
60%=( ) 32%=( ) 26%=( ) 18%=( )
1、 把下面百分数化成小数
15%=( ) 25%=( ) 16%=( ) 45 %=( )
95%=( 68%=( 37%=
) ) )(
79%=( ) 35%=( ) 49%=( )
12.5%=( ) 24.9%=( ) 13.5%=( )
29.7%=( 40.5%=( 4.5%=( 11%=( 49%=( 1、口答
)15.1%=( ) 12%=( ) 25.5%=( 29%=( 42%=( )46.2%=( ) 28%=(24.0%=( ) 53%=( 17%=( )
)
)
) ) ) ) ) )
(1)8是5的百分之几?
(2)5是8的百分之几?
2、求出下面的商,并且所得的商化成百分数。
3÷8 20÷16 3.5÷7 22.4÷14
3、一个田径队有男生20人,女生15人,男生人数是女生人数的百分之几?
4、一个田径队有男生20人,女生15人,女生人数是男生人数的百分之几?
1、口答
(1)8比5多百分之几?
(2)5比8少百分之几?
2、求出下面的商,并且所得的商化成百分数。
1÷8 30÷12 4.5÷9 22.4÷14
4、某厂的一种产品,原来每件成本96元,技术革新后,每件成本降低到了84元,每件成本降低了百分之几?
直接写得数
1/7×4= 8×1/4=
2/5×1/10= 6×3/8= 5/8×24/25= 1×8/9= 3/8×27= 1/5×5= 5/6×4/3=
1/5×20/3=
7/12×3/14=
4/7×7/25=
5/9×3/10=
39×5/13=
2/7×0= 2/7÷5=
1/2÷3= 3/4÷6=
2/3÷3/4= 1/4÷1/3= 12÷4/7= 3/5÷11/5= 20÷4/5= 27/ 20÷3/4= 1÷4/9= ÷14=
7/15÷7/3=
4/5÷20=
81÷9/5= 44÷11/10=
2/10÷2/7= 9×3/2=
3/8×5/6= 7/12÷7/4 = 21/10÷3/5= 7/90×5= 5/16×8/15= 0×5/7=
6×3/8=
8/27÷2/9=
5/8÷2/3= ÷1/4=
1/6÷4/9=
÷2/3= 1/9
10
4/9×6= 1/5÷3/20=
3/8×5/6= 0×5/7=
21/10÷3/5= 35×3/14= 7÷2/7= 5/8÷3/8= 8/5÷4/5= 21/20÷7/3= 8/27÷2/9=
2/7÷3/7=
6/7÷3=
14/15÷7/5=
3/25÷1/10= 1/2÷4=
7/4÷16= 9/10÷3/5=
8/11÷4/9= 3/16÷1/2=
8/5×3/4= 6/13÷1/2= 5/8÷3/8= 21/20÷7/3= 1÷1/4= 1/4÷7/3= 12÷2/3=
1/6×3=
14/15÷7/5=
1/2÷4=
1/2÷5/8=
1/10÷3/5=
3/5×3/4= 42÷2/3=
1/3÷2/3= 42/5÷7/10=
56×3/7= 7/9÷5/14= 4/5×10= 6×1/7= 5×4/15= 15×2/3= 1÷25/8=
6/13×13/4=
12÷3/7= 3/10×2=
24×3/8=
1/8×4=
9×2/27= 100×3/5=
7/9×3/4= 6/7×5/6=
27/16×4/5= 7÷7/13= 1/6×8/15= 42÷2/3= 35×3/14= 9/25×5/6= 8/9×9/8=
3/25÷1/10= 3/5×3/4=
÷2/3= 42/5÷7/10=
12/13×1/4=
7/9÷5/14= 6/13×13/4=
1/3
2×2/3= 3/4×3/5=
2
142 + = - = 555
8 +18 = 1
6 +16 = 9 +11010 = 2
5 +15 = 77
19 +29
= 23 -13
= 7 5
12-12
47 -27
= =
5/7×4/5= 120×2/3=
1/3×0= 4/5×2=
5/11×2/3= 7×1/12= 5/6-1/3= 3/5÷3= 8/15÷10= 3/8÷6= 8/9×2/6=
600×7/12=
5/3+7/9=
6/13÷4=
8/5÷6=
3/5÷15=
3/4÷6= 7×1/14=
15÷3/5= 20÷4/5=
8/9÷2/3= 15×3/5= 3/4×16= 9÷3/5= 1/2+1/3= 5/4÷5/8= 20×4/5=
8/9×2/3=
5/9÷5=
2/3÷3/2=
2/3÷3=
2/3×30=
40÷2/5= 1÷5/12=
1/3÷1/3= 2/5÷2=
5/8×4/5= 5/21÷5/6= 1/7×4= 2/5×1/10= 6×3/8= 5/8×24/25= 26×4/13=
21×2/7=
8×1/4=
5/6×4/3=
1/5×20/3=
7/12×3/14=
1×8/9= 4/7×7/25=
3/8×27= 5/9×3/10=
1/5×5= 2/3÷3/4= 1/4÷1/3= 12÷4/7= 3/5÷11/5= 20÷4/5= 39×5/13=
27/ 20÷3/4= 1÷4/9= ÷14=
7/15÷7/3=
4/5÷20=
21/10÷3/5= 8/27÷2/9=
5/8÷2/3= 1/9÷2/3=
计算下列各题
81÷9/5= 2/10÷2/7= 3/8×5/6= 7/12÷7/4 = 5/8÷3/8= 44÷11/10=
9×3/2=
0×5/7=
6×3/8=
÷7/5=
14/15
8/5÷4/5= 3/25÷1/10=
21/20÷7/3= 1/2÷4=
7/4÷16= 8/11÷4/9= 8/5×3/4= 6/13÷1/2= 3/5×3/4= 1/3÷2/3= 9/10÷3/5=
3/16÷1/2=
÷2/3=
1/6×3=
42÷2/3= 42/5÷7/10= 12
56×3/7= 1÷25/8=
7/9÷5/14= 6/13×13/4=
4/5×10= 7/16×4/5= 7÷7/13= 6×1/7= 5×4/15= 15×2/3= 12÷3/7=
8/9×9/8= 3/25÷1/10=
3/10×2=
24×3/8=
1/8×4=
9×2/27= 100×3/5=
7/9×3/4= 6/7×5/6=
9/25×5/6= 2×2/3= 2
5 +15 = 5
8 +18 = 12/13×1/4=
3/4×3/5=
427 -7
= 19 +29
=
1
121 + = - = 669110 +10 = 5/7×4/5= 1/3×0= 5/11×2/3= 7×1/12= 5/6-1/3= 33
7 -5
1212
= 120×2/3=
4/5×2=
8/9×2/6=
600×7/12=
5/3+7/9=
3/5÷3= 6/13÷4=
8/15÷10= 8/5÷6=
3/8÷6= 3/4÷6= 15÷3/5= 8/9÷2/3= 15×3/5= 3/4×16= 3/5÷15=
7×1/14=
20÷4/5=
20×4/5=
8/9×2/3=
÷5=
5/9
9÷3/5= 2/3÷3/2=
1/2+1/3= 2/3÷3=
5/4÷5/8= 40÷2/5= 1/3÷1/3= 5/8×4/5= 5/21÷5/6= 算一算。
2/3×30=
1÷5/12=
2/5÷2=
26×4/13=
21×2/7=
1÷4= 10÷5= 7÷3=
1×1/4= 10×1/5= 7×1/3=
8/9÷6= 6/13÷9= 1/2÷5= 算一算。
4÷1/2= 4÷1/3= 4/15÷12= 5/8÷10= 4/5÷2= 2÷2/3= 4÷1/4= 3/8÷5= 8/15÷6=
1/4÷4=
2÷1/3=
4÷1/4=
2÷1/2= 8÷2/3= 5/12÷3=
6÷1/4= 2/3÷1/5= 4/9÷2/3=
8/3÷4= 算一算。
7/12÷7= 10÷1/2= 6÷3/5= 6÷3/2= ÷3/4= 5/7÷7/5= 25÷5/6= 6÷3/4= 6÷5/2= 5/6÷1/4= 6/5÷3=
5/6÷4/3=
6÷1=
3÷1/4=
1/3
6÷2/9= 4÷4/9= 4÷1/3=
答算一算。
3/4÷4= 7/9×6/5= 9/4÷3/2= 5/18÷5/18= 2/5÷4= 4/7÷7/4= 3/7×5/9= 12÷8/5= 5/12÷15/4= 6/25÷3/10= 写出下面各数的倒数。
1/5+1/4=
8/3÷2=
100×8/15=
2/3÷4/15=
7/20÷3/10=
1/9 12 5/13
1 2/3 1/4
5/18 7/5 6/5 5/8 8/9÷6= 6/13÷9= 2/5 7/9 1/5 8/9 4/15÷12= 5/8÷10= 4/7
3/4
3/40
5/11
3/8÷5= 8/15÷6=
1/2÷5= 4/5÷2= 1/4÷4=
1÷4= 10÷5= 7÷3=
算一算。
4÷1/2= 4÷1/3= 2÷1/2= 6÷1/4= 8/3÷4= 2÷2/3= 4÷1/4= 8÷2/3= 2/3÷1/5= 1/3÷3/4= 2÷1/3=
4÷1/4=
5/12÷3=
4/9÷2/3=
5/6÷1/4=
算一算。
7/12÷7= 5/7÷7/5= 6/5÷3=
10÷1/2= 6÷3/5= 6÷3/2= 2÷1/2= 6÷1/4= 算一算。
25÷5/6= 6÷3/4= 6÷5/2= 8÷2/3= 2/3÷1/5= 5/6÷4/3=
6÷1=
3÷1/4=
5/12÷3=
4/9÷2/3=
3/4÷4= 7/9×6/5= 1/5+1/4=
9/4÷3/2= 5/18÷5/18= 8/3÷2=
2/5÷4= 4/7÷7/4= 100×8/15=
3/7×5/9= 12÷8/5= 2/3÷4/15=
5/12÷15/4= 6/25÷3/10= 7/20÷3/10=
填空
1、棱长为1厘米的正方体,体积是( )。
2、棱长为1分米的正方体,体积是( )。
3、棱长为1米的正方体,体积是( )。
4、1升=( )立方分米
1毫升=( 立方米=( 3/4÷4= 9/4÷3/2= 6/13÷9= 16÷1/2=
7/9×6/5= 1/5+1/4=
5/18÷5/18= 8/3÷2=
5/8÷10= 8/15÷6=
28.5÷1.5= 42÷8=
)立方厘米 )立方分米
8×1/4= 1/5÷2/3= 7÷7/5=
因篇幅问题不能全部显示,请点此查看更多更全内容