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    Tutorials about STACK

    • STACK is a task tool with which both closed and open mathematical tasks can be implemented. It is possible for STACK to randomly generate tasks and provide students with differentiated and adaptive feedback.

      In this course you can get to know STACK and learn how to create your own tasks with the help of numerous video tutorials and related sample tasks.

      At the very bottom you will also find a link collection with further support for STACK and Maxima. You will also find the "playground" where you can try out STACK yourself and create your own tasks.

      This course is completely public and accessible without login. To use all functions without restrictions, an account for the Moodle of the Ruhr-Universität Bochum is required. If you don't have an account yet, you can create one with this link easily and free of charge. After that, you still need to enroll in the course. This works with this link.

    • Copyright: This course and all content are licensed under the Creative Commons CC BY-NC-SA 4.0  Creative Commons Lizenzvertrag

  • Demonstration of the most important functions of STACK


  • Creating a STACK task

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    • Moodle quiz: Adding fractions

      Moodle quiz: Adding fractions (2)

    • Download the sample tasks as Moodle XML file

  • Randomization and potential response tree


    • Moodle quiz: Adding fractions

    • Download the sample tasks as Moodle XML file

  • Closed questions in STACK

  • Matrices in STACK

  • Input type "Equivalence reasoning"

  • Input type "Notes"

  • Input type "Text area"

  • Input type "String"

  • Interactive graphs with JSXGraph

    • With the Javascript library "JSXGraph" you can add interactive graphs to STACK tasks. Students can make changes to these graphs, for example by moving points and changing sliders. The objects generated by the students can also be used as input.

    • Moodle quiz: Interactive graphs with JSXGraph

    • Download the sample tasks as Moodle XML file

    • Documentation of JSXGraph

  • Link collection

  • Playground for constructing questions