When creating an assessment, you can create a Formula assessment question in the Quizzes LTI. In a Formula question, students need to type in the correct numerical answer.

## Add Question Title and Stem

In the **Question Title** field [1], add a question title. Question titles are optional and are not visible to students.

In the **Question Stem** field [2], add the question stem. The question stem contains the question and, if necessary, additional instructions and information.

## Add Variable Answers

To add variable answers, type the question in the **Question** field [1]. After typing the question with the variable, parameters to define the formula will appear [2]. Set the variable answers for the formula. Specify the minimum [3] and maximum [4] values for the variable. Select decimal places in by using the increase or decrease arrows [5].

## Add Formula Definition

Type the formula definition in the formula field. Make sure the formula does not contain any brackets or equal signs.

**Note**: The Formula Definition suppors the following operators: + (add), - (subtract), * (multiply), / (divide), and ^ (power).

## Generate Possible Solutions

In the solution field, specify the number of possible solutions you want to generate [1].

In the error margin of field, enter the margin of error for the student's answer [2]. Responses are based on relative error in addition to absolute error. Margins of error can be created as a percentage or as a point value (up to three decimal places).

Click the **Generate** button to view final answer [3].

## View Possible Solutions

Possible solutions will process according to the number of value combinations.

## Add Point Value

To customize the point value for the question, type the point value in the **Points** field [1] or use the arrows to increase or decrease the point value [2].