Now that you've started to build an advanced assessment, you may want to add a Number line with plot question.

➡️ Need help getting started with Advanced Assessments? Click here

In a Number line with plot question, the students plot points on a number line, or stack points above a number line.


Build the Question

If you are creating a new item, select the + Create button on the assessment builder, title the item, then select the Add New plus sign to add a question.

If you are adding to an existing item, simply select the Add New plus sign (as shown above) to add a question to the item.

Next, select the Graphing category from the options on the left, then select Number line with plot.

Step 1: Compose Question

  • Compose question: Type question prompt into this field.

You have many formatting options from the Rich Text toolbar, including changing the font size, adding tables, using math symbols, adding multimedia, and more! Click here for more information on the different functions of the Rich Text toolbar.

💡 Tip from the Otus Team: To enter and symbols, click '𝚺' for math symbols and then choose '<' from the drop down for the full set of inequality symbols:

Immediately below where you compose question is the Line section where you can configure basic number line parameters.

  • Enter Minimum value and Maximum value for the number line
  • Enter a number line Title (optional)
  • Set the Number of responses allowed. This determines the number of elements the user can add to the number line. The default is 1. In our example, the task is to plot two inequalities so the number of responses allowed should be 2.

Set Correct Answers and Scoring

  • Step 1: Enter a point value in the Point(s) box. The default is 1.
  • Step 2: Plot correct response(s) on the number line. These will be used for auto-scoring. In our example, 2 correct responses are plotted for the 2 inequalities:

Student Preview

It's highly recommended to Preview the question as you are building it. This displays the question as the students will see it and you can plot the lines to verify that the answers and scoring work as expected.

➡️ Want to preview the entire assessment? Click here for details.

Optional Settings

Under the More options section you can set scoring type, formatting settings, and a number of other parameters for your question.


  • Unscored/Practice usage: Removes all scoring from the question
  • Check answer button & Check answer attempts: Find more information here!
  • Scoring type:
    - Exact match (Default): All parts of the answer must be correct to be awarded credit.
    - Partial Match Per Response: Each correct answer will be awarded the full credit designated in the Set correct answer(s) field. (In a question with three answers, awarding 1 point per correct answer, adding up to 3 total points).
    - Partial Match: Each correct answer will be awarded partial, proportional credit designated by the Set correct answer(s) field. (In a question with three answers, 1/3 point per correct answer, adding up to 1 total point).
  • Enable auto scoring - If enabled, you will be required to choose a Scoring type; if disabled, the question must be scored manually
  • Penalty point(s): Students will lose points for incorrect answers (default is 0)
  • Minimum score if attempted: Students will receive points as long as the question has been attempted (if the question is left blank or is unanswered, the student will not earn those points)


  • Orientation: Choose between horizontal and vertical plotting
  • Line margin (px): The distance in pixels between the ends of the number line and the borders of the graphing area (default is 5 px)
  • Show min arrow & Show max arrow: Show or hide arrows on the minimum and maximum ends of the number line
  • Stack responses: Plot points above the number line; multiple plots are stacked vertically
  • Width: Set the width of the drawn area in pixels (default is 550 px)
  • Spacing between stacked responses (px): Defines the distance between responses when they are stacked above the number line (default is 30 px)


By default, all plotting tools below are available to students.

To add or remove buttons for plotting, click on "+ ADD" and select the tool from the drop down menu. This will display the tool button in the question toolbar. Click on the trash bin icon to remove the tool.


  • Show ticks: Controls the visibility of ticks on the number line
  • Show max & Show min: Toggle the visibility of the min and max ticks at the ends of the number line
  • Minor ticks: The number of minor ticks between the major ticks (default is 1)
  • Tick distance: The difference between each major tick on the graph (default is 2); can be whole numbers, standard or decimal fractions, or mixed numbers.
  • Rendering base: Specify whether labels will render from Zero (default) or Line Minimum Value. Should be defined in case label frequency is greater than 1.


  • Show labels: Show or hide labels on the number line
  • Show min & Show max: Toggle whether labels are drawn on the min and max values on the ends of the number line
  • Display specific points: Label points with the specified value(s); separate multiple values with commas

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