1- First log in into your blogger’s account. Click here. Enter your gmail user name and password.
2- Click on the button showing below and then select “Layout”
3- You will see your whole blog’s layout, here you can add multiple gadgets, there are dozen of built in gadgets available. You can mange your layout here by just drag and drop effort. There are four parts of you blog’s layout. Header, footer, right side bar, and post area. I will show you adsense into right side bar longitudinally. Click on “Add a Gadget”
4- Scroll down and search “adsense” option, click on it.
5- Select ad size “160 x 600 skyscraper”. also choose color as per your blog then click “Save” button.
6- Adsense ad will be displayed in few minutes on your right side of your blog.
You have successfully done, via same method you place adsense ads any where into your blog. There are ad’s sizes available for ads, choose best according to your blog layout and also match your adsense ad color exactly with your blogs color. It will give good adsense response.