We apologize for the inconvenience, but due to technical and funding issues, it is not possible to launch New Cabri problems at this time. You may launch a few problems by going to the Library and choosing the Engines and Devices: JavaScript playlist. New accounts and password updates are also not available at this time. If you do not have an account or have forgotten your password, you may log in with the following information: Username: guest; Password: TryNumb3rSt*ri3s
Click here if you’d like to contact us about future development.
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Number Stories
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  • Math is everywhere you look. Explore how numbers are used in daily life through interactive problems based on the real world.
    East Greenland Icesheet © Christine Zenino 2009 (CC BY-NC 2.0)

Preview a Cabri Problem

Ordering Popular Pets

Drag pictures of pets to put them in order by how many of each type are in the United States, and use the check button to get colorful feedback about how many are in the correct place!

Features

  • Search an extensive library moderated by the University of Chicago
  • Solve interactive problems in 2D and 3D environments
  • Create your own stories, problems, and solutions
  • Engage with other users via problem reviews and message boards

About Number Stories

Number Stories are real-world questions based on real-world contexts supported by factual sources. Both contexts and questions are written for, and by, a wide variety of individual users such as school students at any level, teachers, teacher-educators, home-schoolers, district supervisors, curriculum developers, and others who are simply interested in how mathematics can be used to solve problems or model situations in their lives.

Read more

Storytellers

  • Deborah
  • Fennel
  • John
  • Lena
  • Nancy
  • Nicole
The University of Chicago
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