Try each of the following until a solution is reached:

1. Login to the Faculty Persona of the affected teacher.
2. Go to Classes > Select the affected class.
3. Select the Gradebook tab.
4. Hover the cursor over each of the assignment names.
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5. Verify that none of the assignments have not been accidentally marked as Extra Credit.

For additional information about extra credit, look at this article: Calculating Extra Credit

OR

1. Login to the Faculty Persona of the affected teacher.
2. Go to Classes > Select the affected class.
3. Select the Gradebook tab.
4. Select Edit Setup.
5. Ensure the weights tied to the Assignment types are correct.

OR

1. Login to the Faculty Persona of the affected teacher.
2. Go to Classes > Select the affected class.
3. Select the gradebook tab.
4. Ensure that each assignment is listed with a Maximum value.

For more information concerning Maximum points, look at this article: Why aren't my year cumulative grades calculating in the grade book?