1) Log in to google adsence using google account (gmail account).
2) Go to adsense account.
3) Select "My Ads" and then "New ad unit".
4) Type the name of new google ad channel.
5) Select type of ads size.
6) Choose add type.
7) Then select colour of ad to match your wordpress site.
8) After that select "Save and get code".
9) Copy the code.
10) Next is to place your google adsence code at proper place. To do this login to your wordpress site.
11) If you want to display google ads on post then :
- go to new post .
- select HTML .
- paste google adsense code .
- then click "Update".
12) If you want to place google adsence code on sidebar in your wordpress site, then:
- Select "Appearence"(Present on left hand side in Dashboard.
- Click on "widget".
- Click on "Text:Html" , hold it and drop it to your sidebar.
- Paste your google Adsence code here, and then click "OK".
