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1、精品教學教案設(shè)計 | Excellent teaching plan
教師學科教案
[20 - 20學年度第一學期]
任教學科：
任教年級：
任教老師：
xx市實驗學校
精品教學教案設(shè)計 | Excellent teaching plan
育人猶如春風化雨，授業(yè)不惜蠟炬成灰
《指數(shù)函數(shù)、騫函數(shù)、對數(shù)函數(shù)增長的
比較》
?教材分析
2、
1.數(shù)數(shù)數(shù)數(shù)
數(shù)數(shù)數(shù)(0數(shù)數(shù)00 )數(shù)數(shù)麴繳鍬數(shù)>1)數(shù) y= logaxa a>1)數(shù) y =
xn (n>0)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)“數(shù)數(shù)X凝嫩!螂ax(a>1)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)
y = xn
(n>0)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)y數(shù) log a x
(a>1)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)遨吸>xo數(shù)數(shù)數(shù)期=log a x< xn
3、x數(shù)y數(shù)x2數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)
x
0.2
0.6
1.0
1.4
1.8
2.2
2.6
3.0
3.4
…
y數(shù)2x
1.149
1.516
2
2.639
3.482
4.959
6.063
8
10.556
…
y數(shù)x2
0.04
0.36
1
1.96
3.24
4.84
6.67
9
11.56
…
y 數(shù) log
2X
數(shù) 2.322
數(shù) 0.737
0
0.485
0.848
1.138
1.379
1.585
1.766
…
數(shù)數(shù)數(shù)數(shù)數(shù)嫂log2x數(shù)數(shù)數(shù)數(shù)數(shù)
4、數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù),
數(shù)y數(shù)X2數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù) (2,4)數(shù)(4,16)數(shù)
數(shù)數(shù)數(shù)數(shù)togf^2繆〔X2數(shù)logx數(shù)x2數(shù)2X數(shù)數(shù)數(shù)數(shù)數(shù)爨數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù) (2,4)數(shù)(0,2)數(shù)(4數(shù)數(shù)8 )數(shù)
X
0
1
2
3
4
5
6
7
8
…
y數(shù)展
1
2
4
8
16
32
64
128
256[ 數(shù)數(shù)： 數(shù)數(shù)數(shù)
]
…
y數(shù)x2
0
1
4
9
16
25
36
49
64
???[ 數(shù)數(shù):
Zxx k.C om]
5、
數(shù)2
數(shù)數(shù)數(shù)數(shù)象數(shù)2x數(shù)數(shù)數(shù)期數(shù)X2數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù) （2,4）數(shù)（4,16） x麴教教數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)
x
0
10
20
30
40
50
60
70
80
…
y數(shù)2x
1.
1 024
1.05E
數(shù)06
1.07E 數(shù)09 數(shù)數(shù)：婁
#數(shù)#數(shù)
Z#X#
X#K]
(1.10E
數(shù)12
1.13E
數(shù)15
1.15E
數(shù)18
1.18E
數(shù)21
1.21E
數(shù)24
…
癖x2
0
100
400
900
1 600
2 500
3 600
4 900
6 400
6、
…
L13E+15
L10E+12
50
O
100
數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)x（ayBi）數(shù)數(shù)數(shù)數(shù)xy數(shù) 數(shù)0）數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù) （0數(shù)數(shù)8）數(shù)數(shù)數(shù)數(shù)
xo數(shù)數(shù)數(shù)數(shù)數(shù)鐲X n.
X數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)巍n數(shù)數(shù)數(shù)數(shù)。數(shù)數(shù)數(shù)數(shù)數(shù)n數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)懶數(shù)x數(shù)
數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)數(shù)log ayx（a數(shù)1）數(shù)數(shù)數(shù)數(shù)xn乂嬤0）數(shù)數(shù)數(shù)數(shù)（0數(shù)數(shù)8）數(shù)數(shù)數(shù)數(shù)log數(shù)數(shù)數(shù)數(shù)
3.數(shù)數(shù)數(shù)數(shù)
?教學反思
【教學設(shè)計新部編版】《指數(shù)函數(shù)、冪函數(shù)、對數(shù)函數(shù)增長的比較》(數(shù)學北師大必修一)
