To save time creating your own Question Sets, we provide you with the possibility to import expert-created content and resources for every subject and level by Khan Academy.

The available content, which amounts to more than 15'000 curated and categorized questions, is available for various subjects, such as:

  • Math (by subject or grade)

  • Physics

  • Chemistry

  • Biology

  • Health & medicine

  • World and US History

  • Art History

  • English Grammar

How to find a Question Set to import

In your Classtime Library, simply click on the "Khan Academy" button on the right side menu (or visit this direct link). This will open a new, separate window.

You will find a categorized list, with numbers showing the count of questions available at the end of each category. Simply navigate to a category of your interest.

Once you decide on a category, you can preview the questions and answers. If you would like to use these questions, simply hit the button "Add to my Library" in the top right corner.

Important: please make sure you are successfully logged into your Classtime account before adding it to your Library. Otherwise, it will be added to a temporary visitor account that is unregistered.

You can now switch back to your Library and immediately see the entire Question Set available for use in a new Session. 

If you would like to edit some details of the imported questions, you can simply do so by editing it like any other question of your own. You can also delete questions you do not want to include or add some of your own!

Note: Questions are created by Khan Academy and are used under CC BY-NC-SA 3.0. All Khan Academy content is available for free at

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