First of all lets define HTML and tags. HTML stands for Hyper Text Markup Language. It is just what it says a language used to markup hyper text. What is hyper text? It's the text used in web pages especially where it links to other sites or files.
The table below gives some quick examples of what you can do with HTML:
To display this
Use this Tag
the web address of your image to replace the one listed here.
h tags start with the
largest at 1 and go smaller with larger numbers. These h or header tags also do more than just
make things big. They also apply any formatting that is assigned
to that heading level.
These are just some of the HTML tags you can use to spruce up your commments on blogs, your own web pages or even parts of your my.uen web page, UEN Lesson Plans or UEN Rubrics.
Check: http://www.uen.org/k12educator/htmltags.shtml for specific tips on using tags within the UEN tools.