You can contact your teacher by using the Purple Mash email facility.
Log on to Purple Mash.
There are 2 ways to access the email.
1, Write 2email in the search bar
2, Click on the 2email logo
3, This takes you to your personal inbox.
Click on the envelope with a tiny green cross to start a new message or click on a message in your inbox to reply to it.
When you log on to Purple Mash look for a purple bell at the top of the screen with the word 'alerts'. If you have a message from your teacher there will be a number on the bell letting you know. Click on the bell and it will take you to your message.
Click on the alert bell top right
Alternatively follow the link for more detailed instructions.