Using Technology to create Procedural Variation

There are many free interactive resources online that allow you to change one variable at a time.  The following are my go to sites.


Geogebra resources have lots of examples of animations that have variable controls that allow you to change just one thing.  This frees up your time to think about the questions you can ask students.

Desmos Calculator

To create you own slider, simply add a letter as a variable and the slider is automatically created.

Desmos Activities

Desmos also has some fantastic interactive resources that are ready to use. 


Autograph is now free from Complete Maths and comes with easy to follow tutorials

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