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Presenting the Project
problem

Presenting the Project

7 to 11
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Have a look at all the information Class 5 have collected about themselves. Can you find out whose birthday it is today?
Tessellating Transformations
problem

Tessellating Transformations

7 to 11
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Can you find out how the 6-triangle shape is transformed in these tessellations? Will the tessellations go on for ever? Why or why not?
2009 challenge
problem
Favourite

2009 Challenge

11 to 18
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We asked what was the most interesting fact that you can find out about the number 2009. See the solutions that were submitted.
What salt?
problem

What Salt?

16 to 18
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Can you deduce why common salt isn't NaCl_2?
Journeys
problem

Journeys

7 to 11
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Investigate the different distances of these car journeys and find out how long they take.
Von Koch Curve
problem

Von Koch Curve

16 to 18
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Make a poster using equilateral triangles with sides 27, 9, 3 and 1 units assembled as stage 3 of the Von Koch fractal. Investigate areas & lengths when you repeat a process infinitely often.

Programming: Moiré patterns
article

Programming: Moiré Patterns

11 to 16

We need computer programmers! Logo is a great entry-level programming language - and you can create stunning graphics while you learn.

Choosing rich tasks for secondary classes
article

Choosing Rich Tasks for Secondary Classes

11 to 16

In this article, read about the thinking behind the September 2010 secondary problems and why we hope they will be an excellent selection for a new academic year.

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