---
title: "Dropping the Lowest Quiz Grade"
type: "article"
space: "Blackboard Ultra"
author: "Anh Lam"
created: 2023-01-16T21:52:30Z
updated: 2026-10-20T22:55:30Z
tags: ["add-calculation", "blackboard-ultra", "dropping-grades", "gradebook", "grading", "lowest-grade", "ultra"]
url: "https://employees.senecapolytechnic.ca/spaces/266/blackboard-ultra/articles/grading/16260/dropping-the-lowest-quiz-grade"
---

# Dropping the Lowest Quiz Grade

Apply a category calculation rule to drop the lowest quiz score from the Overall Grade calculation.

## Before you begin

Place every quiz that can be dropped in the same Gradebook category. Do not include unrelated items in that category. The category must contain more than one non-exempt item.

## Drop the lowest quiz score

1. Select **Gradebook**.
2. Select the **Settings** gear beside **To Do**.
3. Under **Overall Grade**, select **Manage overall grade settings**.
[!\[Gradebook Settings showing the Overall Grade section with the Manage overall grade settings link.\](https://employees.senecapolytechnic.ca/attachment?file=Hj4Lny%2BhdIMLl27pyCF5NA%3D%3D)
Figure 1. Select **Manage overall grade settings**. Select the image to enlarge.](https://employees.senecapolytechnic.ca/attachment?file=Hj4Lny%2BhdIMLl27pyCF5NA%3D%3D)
4. Locate the **Quiz** category and select **Edit calculation rules**.
[!\[Overall Grade settings showing the Quiz category with the Edit calculation rules option.\](https://employees.senecapolytechnic.ca/attachment?file=oWwL5yYnszdKnhZYkyKZTQ%3D%3D)
Figure 2. Select **Edit calculation rules** beside the required category. Select the image to enlarge.](https://employees.senecapolytechnic.ca/attachment?file=oWwL5yYnszdKnhZYkyKZTQ%3D%3D)
5. Turn **Enable** on.
6. Select **Drop Scores**.
7. Enter **1** for the number of lowest scores to drop. Leave the highest-scores value at **0** unless a different rule is required.
[!\[Category Calculation Rule panel showing the Enable option, Drop Scores selected, and one lowest score entered.\](https://employees.senecapolytechnic.ca/attachment?file=oKhPYL4pHkDC0pU9sPN1XQ%3D%3D)
Figure 3. Enable the rule and set one lowest score to be dropped. Select the image to enlarge.](https://employees.senecapolytechnic.ca/attachment?file=oKhPYL4pHkDC0pU9sPN1XQ%3D%3D)
8. Select **Continue**, then save the Overall Grade changes.

**Note:** The category calculation rule applies only to items in the selected category. Make sure the category contains only the quizzes that should be included in this rule.

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## Additional resources

The following resource from Seneca's Accessible Learning Services provides practical guidance for applying approved extended-time accommodations to tests and exams.

Faculty quick reference · PDF

### Extended time calculations for tests and exams

Use this quick reference to calculate the total writing time for students with approved extended-time accommodations. The required multiplier is identified in the student's Accommodation Letter.

Extended-time multipliers

1.25x

25% extra time

1.5x

50% extra time

1.75x

75% extra time

2x

100% extra time

Example calculation

A **60-minute test** with a **1.5x** accommodation provides **90 minutes of total writing time**.

What's included in the guide?

- A calculation chart for standard assessments from 30 to 180 minutes.
- Examples of extended-time calculations.
- Faculty responsibilities for providing approved extended time.
- Guidance on ensuring assessment bookings and online time windows allow the full accommodated time.

View the resource

**[Extended Time](https://employees.senecapolytechnic.ca/spaces/266/blackboard-ultra/files/24861/extended-time "Extended Time")**

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## Video demonstration

## Attachments

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