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Extra time accommodations

The Accommodations function in Blackboard Ultra allows you to provide students with additional time for timed Blackboard Tests or Assignments, in accordance with the reasonable adjustments recommended by the Disability Advice Service (DAS).

Important: The Accommodations feature does not apply extra time for third party assessment tool Gradescope and Mobius. Extra time needs to be setup separately in these tools. Accommodations override due date auto-submit settings (Prohibit Late Submissions); students with Accommodations will always receive the maximum amount of time allowed and their assessments will only auto-submit once their time has run out.

Set a time limit accommodation

Accommodations are set at course level for individual students and will automatically adjust the time a student has for every Blackboard assessment tool where a time limit can be added (Tests and Assignments).

These instructions describe how to set time limit accommodations for summative assessments using a percentage. The accommodation will apply to any timed assessments created on the course.

Step 1: Open the accommodations panel for the specific student

(a) Navigate to the Gradebook, open the Students tab and locate the student you wish to grant an accommodation for.

(b) You can use the search function on this tab to locate the student in a large cohort.

(c) Click on the three dot menu for the student and select Accommodations from the menu.

Ultra Gradebook opened on the Students tab.  The three dots menu for a specific student is indicated.  The option Accommodations is highlighted from the three dot menu

Step 2: Apply time limit accommodation as a percentage

The Accommodations panel will open for the student you have selected.

(d) Select “Time limit accommodation”

(e) Select “Custom percentage”

(f) Add a whole number percentage to the percentage field.

Screenshot of Accommodations panel. The options "Time limit accommodations" as been ticked and marked (d). The Custom percentage options has been selected and marked (e). A percentage has been added to the percentage field and marked (f).

Step 3: Save the accommodation and return to the student list

Save the changes and the accommodations panel will close.

Once saved a pop-up window will appear explaining that “time limits for previously submitted work will update”.

Click add to continue

Screenshot of pop up message titled "Add time limit accommodation?" and containing the message "Time limits for previously submitted work will update". The options are cancel or Add.  Add is hightlighted.

In the Student list (and wherever the student’s name appears in the course for staff) there is now a purple ribbon icon to indicate that this student has an accommodation set up.


Screenshot of Gradebook showing that the student now has a purple ribbon icon next to their name.

Calculating extra time as a percentage

There are two reasonable adjustments indicated by DAS for a student that can be applied to timed assessments and used to calculate extra time. These are additional time and rest breaks.

Where additional time is given for SpLDs or other needs it is usually stated as a percentage and can be added directly into the ‘Custom percentage’ function.

A student may also be entitled to rest breaks and is indicated as minutes per hour. This need to be converted to a percentage to be entered as an accomodation, and where required, added to any additional time percentage.

Important: The standard rest break is 10 minutes per hour (17% rounded-up) but always check a student’s ILP for more detail. This is only an average and if a student needs rest breaks for certain reasons (for example, toilet breaks for a wheelchair user or to administer medication) the time may need to be longer.

PercentageMinutes per hourPercentageMinutes per hour
17% (Standard rest break)10.226%15.6
18%10.827%16.2
19%11.428%16.8
20%1229%17.4
21%12.630%18
22%13.231%18.6
23%13.832%19.2
24%14.433%19.8
25%1534%20.4
Calculate minutes per hour for percentage: x% x 60 divided by 100.

Accommodation types not to be used with summative assessment

There are two accommodations options listed that should not be used in summative assessment procedures at the University of Reading.

  • (g) Due date accommodation – this will prevent students from ever having work marked as late – late submissions are not marked as such.
  • (d) Unlimited extra time – with our current arrangements for students with reasonable adjustments there is no need for this option.

Guide last updated on May 27, 2026

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