On-screen engagement with digital protractors, rulers, and images

Seamlessly embed interactive digital protractors and rulers into any question to improve the learning experience.


Students can easily drag and drop protractors onto the screen, position or rotate them to more easily calculate angles and make online geometry questions more engaging.

Click on a box to activate the protractor tool.



Choose from a metric or imperial measurements and four different ruler lengths ranging from 6 inches to 30 centimeters.

Select a measurement tool to find the answers.


Image tool

Use images of your own to customize interactive on-screen tools and graphics. The image tool feature lets authors add and resize images of their own into question content.
By setting the level of interactivity, authors can let students easily drag and rotate custom images – making the tool perfect for adding custom rulers, grids, or other shapes and objects that are required by the question type in use.

Use the image tool to caluculate your answer.


Related Links

Questions All Features
Fast, flexible file uploads
Basic and scientific calculators