Whether you're creating a new quiz or need to edit one, you can add/remove a standard.
To start, click on Quizzes and find the quiz you need:
While the quiz is open, check the box Align quiz to standard:
Once you check the box, more options will appear and a dropdown menu for each will be available. Choose:
Subject
Core
Grade
Standard
Once you select the Standard, it'll be applied to the quiz. Note you can only apply one standard to a quiz.
Change/Delete a Standard
You can edit a standard while editing a quiz:
Click the Change button to use a different standard or Delete the standard entirely.