Articles 'a' and 'an'

We listed down the words that we use 'a' and 'an. We also talked about some special cases / exceptions like 'unicorn' and 'hour'. 

A unicorn

An hour (silent 'h')

This is a good guide for all the rules and exceptions:
https://grammar.yourdictionary.com/vs/a-vs-an-basic-rules-and-exceptions.html

We will not be going through all of them but I will pick some that are more relevant for the kids to work on tomorrow.