小学六年级数学上期末总复习
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1
8 ×5 9
58 9
2
8×3 94
83 94
1 2 3
0
1
0
1
0
0
1
a × b=b × a
( a × b )×c = a × ( b × c )
a + b ×c = a c + b c a c + b c =
1
a + b ×c
1 1
2
1 1
3
4 1 2 3
× ×
1 2
=
1
×=
1
× 1±
=
1
1
．．
π
π = 3.14
2π = 6.28
3π = 9.42
4π = 12.56
=
+
2×π× π
π
5π = 15.7 6π = 18.84 7π = 21.98 8π = 25.12
9π = 28.26 10π = 31.4 16π = 50.24 25π = 78.5
9
36π = 113.04 64π = 200.96 96π = 301.44
纸
纸
1
2 1=6 3
2
3
3 2=6:4 3×4=2×6
x×1.5=y×1.2 x y=1.2: 1.5
15
4
3 x=4 8
5
导
1
4x =3×8
x=6
又
y/x=k(
÷=
÷=
÷=
y=5x y x
y÷x=5
÷=
2导
导
又
导
x×y=k( )
导
×=
导
×=
导
×=
40÷x=y x y 导
x×y=40
导
×=
6 1
1:200000
2
10%
35%
12
1 2
3 4 5
1
2
又
3
4
5 =-
6
7
=
×
够
=-× ××
= × 1-
13
1
2
3
导
1 2 3
4 5 ×πr2 6 7
=
×
S =Ch 2πr×h
=
+
×2 S =S +S ×2 2πr×h + 2
=
×
V=sh πr2×h
4
4
1
1 2
14
3 4 ÷3 5
6
V = 1 Sh 3
πr2×h
2 = 0.4 = 40% 5
3 = 0.75 = 75% 4
3 = 0.6 = 60% 5
1 = 0.0625 = 6.25% 16
4 = 0.8 = 80% 5
1 = 0.04 = 4 25
2 = 0.08 = 8 25
3 = 0.12 = 12 25
5 = 0.625 = 62.5% 8
1 = 0.125 = 12.5% 8
12
112 = 121
162 = 256
122 = 144
172 = 289
132 = 169
182 = 324
142 = 196
192 = 361
152 = 225
1
2 3
1 2
0 4
1
10
2.
1
100
2
的
100
1 = 0.5 = 50% 2
1 = 0.2 = 20% 5
1 = 0.25 = 25% 4
又
2 1 2 3 4
31
10
1
1×1=1 0
2
01 0
×几 几 0
4
a(a ¹ 0)
1
a
1
b
a
a
a
a
b
5
1
1
1
1
×
=
÷
=
2
0
3
1
1
2
1
0
3
1
4 []
1 1
1 2
1
1
1
×=
1
× 1±
=
3
2
1
X
2
÷
=
1
3
÷
4
÷
1
÷
1
1-
÷
1 2
15 10 = 15÷10= 3 2
3 ÷=
4
4
5 6
÷
7 8
1
2 3 4.
C=2π r
r = C ÷ 2π
5
7
6
1
÷2
2π r ÷ 2
πr
2
πr 2r
5.14 r
1
S
2
3 1
2 3
=
=
=
×
=
×
S = πr × r
S = πr2
r2 = S ÷ π
4
R
r Rr
8
S = πR² π ²
S = π R² ²
5
的
的
的
的3
的3
的9
6
=
=
23
23
49
7
4π
8
导
9 1 2 3 4
11
依
据
1
比
的
基
本
性
质：
2
0 20
0 0
(0 )
又
:
5
15 10 = 15÷10 = 3 = 3 2 2
5
a:b
ax和bx
6
导
45
54
导
32
23
1 2
O 3
4
5 6
7
2
d 2r r d 2
8
6
r d
1 2
9
10
1
2
3
4
;
1
C
2
0
识
π
3
又
π pai
1
3
π
π 3.14
2
π
3.14
3
4
C= πd
d = C ÷π
2 29
1 =60
1 =60
1 =3600
365 ,
366 1 =24
18
= 2cm
4km
16
2cm 4km
2
20
16
16
= 1600000
20 = 1 1600000 80000
3
1
去
200
7
=wenku.baidu.com
÷
2cm
2÷ 1 =400000cm=4km
200000
8
=
×
4km
1:200000
400000× 1 =2 cm 200000
9
导
1 =1000 1 =10
1 =10
1 =100
1 =10
1
=100
1 =10000
1
=100
1
=100
1
=100
()
1
=1000
1
=1000
1
=1
1
=1
1
=1000
17
1 =1000
1 =1000
1 =1
1 =10
1 =10 1 =100
1 =100 1 =12
(31 ) :1\3\5\7\8\10\12
(30 ) :4\6\9\11
2 28 ,
11
=
烘干后的重量 ´100%
烘干前的重量
= 烘干前的重量 - 烘干后的重量 ´100% 烘干前的重量
2
1
100% 1
100% 70 80%
100% 30 40%
1
2
3
1
1
×=
1
× 1±
=
1
1
1
X
2
÷
=
1
4
÷
1
× 100%
÷
1 × 100%
1-
÷
× 100%
1
= 8 =80 , 10
=0.65=65
3 = 1.375 = 37.5% 8
7 = 0.875 = 87.5% 8
4 = 0.16 = 16 25
1
=
合格产品数 ´100%
产品总数
=
出勤人数 ´100%
总人数
=
成活的数量 ´100%
总数量
=
发芽种子数 ´100%
种子总数
=
达标学生人数 ´100%
学生总人数
=
粉的重量 ´100%
出粉物的重量
8 ×5 9
58 9
2
8×3 94
83 94
1 2 3
0
1
0
1
0
0
1
a × b=b × a
( a × b )×c = a × ( b × c )
a + b ×c = a c + b c a c + b c =
1
a + b ×c
1 1
2
1 1
3
4 1 2 3
× ×
1 2
=
1
×=
1
× 1±
=
1
1
．．
π
π = 3.14
2π = 6.28
3π = 9.42
4π = 12.56
=
+
2×π× π
π
5π = 15.7 6π = 18.84 7π = 21.98 8π = 25.12
9π = 28.26 10π = 31.4 16π = 50.24 25π = 78.5
9
36π = 113.04 64π = 200.96 96π = 301.44
纸
纸
1
2 1=6 3
2
3
3 2=6:4 3×4=2×6
x×1.5=y×1.2 x y=1.2: 1.5
15
4
3 x=4 8
5
导
1
4x =3×8
x=6
又
y/x=k(
÷=
÷=
÷=
y=5x y x
y÷x=5
÷=
2导
导
又
导
x×y=k( )
导
×=
导
×=
导
×=
40÷x=y x y 导
x×y=40
导
×=
6 1
1:200000
2
10%
35%
12
1 2
3 4 5
1
2
又
3
4
5 =-
6
7
=
×
够
=-× ××
= × 1-
13
1
2
3
导
1 2 3
4 5 ×πr2 6 7
=
×
S =Ch 2πr×h
=
+
×2 S =S +S ×2 2πr×h + 2
=
×
V=sh πr2×h
4
4
1
1 2
14
3 4 ÷3 5
6
V = 1 Sh 3
πr2×h
2 = 0.4 = 40% 5
3 = 0.75 = 75% 4
3 = 0.6 = 60% 5
1 = 0.0625 = 6.25% 16
4 = 0.8 = 80% 5
1 = 0.04 = 4 25
2 = 0.08 = 8 25
3 = 0.12 = 12 25
5 = 0.625 = 62.5% 8
1 = 0.125 = 12.5% 8
12
112 = 121
162 = 256
122 = 144
172 = 289
132 = 169
182 = 324
142 = 196
192 = 361
152 = 225
1
2 3
1 2
0 4
1
10
2.
1
100
2
的
100
1 = 0.5 = 50% 2
1 = 0.2 = 20% 5
1 = 0.25 = 25% 4
又
2 1 2 3 4
31
10
1
1×1=1 0
2
01 0
×几 几 0
4
a(a ¹ 0)
1
a
1
b
a
a
a
a
b
5
1
1
1
1
×
=
÷
=
2
0
3
1
1
2
1
0
3
1
4 []
1 1
1 2
1
1
1
×=
1
× 1±
=
3
2
1
X
2
÷
=
1
3
÷
4
÷
1
÷
1
1-
÷
1 2
15 10 = 15÷10= 3 2
3 ÷=
4
4
5 6
÷
7 8
1
2 3 4.
C=2π r
r = C ÷ 2π
5
7
6
1
÷2
2π r ÷ 2
πr
2
πr 2r
5.14 r
1
S
2
3 1
2 3
=
=
=
×
=
×
S = πr × r
S = πr2
r2 = S ÷ π
4
R
r Rr
8
S = πR² π ²
S = π R² ²
5
的
的
的
的3
的3
的9
6
=
=
23
23
49
7
4π
8
导
9 1 2 3 4
11
依
据
1
比
的
基
本
性
质：
2
0 20
0 0
(0 )
又
:
5
15 10 = 15÷10 = 3 = 3 2 2
5
a:b
ax和bx
6
导
45
54
导
32
23
1 2
O 3
4
5 6
7
2
d 2r r d 2
8
6
r d
1 2
9
10
1
2
3
4
;
1
C
2
0
识
π
3
又
π pai
1
3
π
π 3.14
2
π
3.14
3
4
C= πd
d = C ÷π
2 29
1 =60
1 =60
1 =3600
365 ,
366 1 =24
18
= 2cm
4km
16
2cm 4km
2
20
16
16
= 1600000
20 = 1 1600000 80000
3
1
去
200
7
=wenku.baidu.com
÷
2cm
2÷ 1 =400000cm=4km
200000
8
=
×
4km
1:200000
400000× 1 =2 cm 200000
9
导
1 =1000 1 =10
1 =10
1 =100
1 =10
1
=100
1 =10000
1
=100
1
=100
1
=100
()
1
=1000
1
=1000
1
=1
1
=1
1
=1000
17
1 =1000
1 =1000
1 =1
1 =10
1 =10 1 =100
1 =100 1 =12
(31 ) :1\3\5\7\8\10\12
(30 ) :4\6\9\11
2 28 ,
11
=
烘干后的重量 ´100%
烘干前的重量
= 烘干前的重量 - 烘干后的重量 ´100% 烘干前的重量
2
1
100% 1
100% 70 80%
100% 30 40%
1
2
3
1
1
×=
1
× 1±
=
1
1
1
X
2
÷
=
1
4
÷
1
× 100%
÷
1 × 100%
1-
÷
× 100%
1
= 8 =80 , 10
=0.65=65
3 = 1.375 = 37.5% 8
7 = 0.875 = 87.5% 8
4 = 0.16 = 16 25
1
=
合格产品数 ´100%
产品总数
=
出勤人数 ´100%
总人数
=
成活的数量 ´100%
总数量
=
发芽种子数 ´100%
种子总数
=
达标学生人数 ´100%
学生总人数
=
粉的重量 ´100%
出粉物的重量