The Teacher Dashboard for DoodleEnglish, DoodleSpell, DoodleMaths and DoodleTables are all accessed from teachers.doodlemaths.com/login.
If you're trying to add Extras or view your students' progress in DoodleEnglish and are directed to teachers.doodlemaths.com/login, don't worry! Simply log in using your usual email address and password.
Once you've logged in, you can switch between subjects by clicking on the corresponding icons.
This article should assist you with this in more detail.