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Alien
Counting Measuring
Square Roots And More 

A shortened version
of the same presentation 

Eleven maths
activities encompassing electromagnets, drawing square roots, card trick,
speed of light and sound, and more 

Ten maths activities
including a card trick, finding the height of a table, resistance, poker,
steel band, probability and more 

Outlining the
problems and some solutions to make vehicles ecologically sound 

A presentation about
how local schools are supported 

Some engineering but
really how to plan your future career 

Derrick’s career as
an engineer 

Presentation by
Derrick Willer of the support for climate change and schools 

Presentation by
Derrick Willer of the project to get solar panels for schools 

Johnny Ball is the TV
personality and maths guru 