How to put Adsense ads on a Blogger blog

Google Adsense in one of the more popular ways to monetize your blog. When action, Adsense will display placed Google advertisings on your blog. The content of the ads is often relevant to your blog page’s content and audience.
This tutorial will show you the three ways how you can add Adsense ads to your blog. Of form to be able to do all this, you have to Sign up to Adsense first.
Note: Adsense allows only up to 3 ad units, 3 link units and 2 search boxes per page. Keep that limit in mind when adding your ads.

1. Inline ads

Inline ads put an ad unit at the end of each blog post.
Go to Design > Page Elements and click the edit link in Blog Posts gadget box.
Tick the Show Ads Between Posts checkbox.

Configure your ad frequency, ad format, and colors. Live preview is provided beneath the settings.
Click Save when done.

2. Adsense gadget
Use this method to add ad unit as a widget, in sites outside the blog post area. You can position it by simply dragging it in Page Elements, just like any other widget. You can even target on which pages it should appear.
Go to Design > Page Elements and click an Add-A-Gadget link.
Select Adsense Gadget

Configure your ad format and colors.
Click Save when done.

3. Adsense code
This method is not as easy to implement, but it gives you more control. The most notable benefits of using this method are:
Place ad anywhere in your blog
You can place the code anywhere in your blog template, getting at locations otherwise impossible with inline ad or Adsense gadget. You can even place it in your blog post or page.
Monitor your ad performance  (channel monitoring).
Where is the best location to put an ad on your blog? Which format performs the best? Find out by yourself by assigning a channel/channels to an add. You can then monitor the ad performance through the channels. If you are serious about monetizing with Adsense, the this feature is a must use.
Not limited to ad units.
You can choose types other than ad unit i.e. link unit, search box.

Here’s a the procedure for creating an ad and adding it to your blog:
Create an ad in Google Adsense website.
Click AdSense Setup tab and then select Adsense For Content.

Choose your ad type, choose formatting and colors and assign channels.
When the setup is full, you will be given a code. To add the ad into your blog, you can either:
Paste the code in a HTML/Javascript gadget, or
Paste the code in a blog post or page, or
Paste the code direct in your template. However the code have to be escaped first, using this escape tool. It gives you total control on the placement of the add . You can also use conditional tags to target on which pages the ad appears.