To select the marking period and verify assignment weight:
  1. Click Edit Setup in the individual Gradebook.
  2. Select the Calculation Method for each marking period.
  3. Verify a weight has been entered.
  4. Click Save & Close.
User-added image​

To set the Cumulative to display:
  1. Click Display Options in the individual Gradebook.
  2. Mark "Show cumulative grade columns in my gradebook"
  3. Click Save & Close
User-added image​