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Molecular sequencer
problem

Molecular sequencer

14 to 18
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Investigate the molecular masses in this sequence of molecules and deduce which molecule has been analysed in the mass spectrometer.
Mach Attack
problem

Mach attack

16 to 18
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Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.
Nine Eigen
problem

Nine eigen

16 to 18
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Explore how matrices can fix vectors and vector directions.

Summing geometric progressions
problem
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Summing geometric progressions

14 to 18
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Watch the video to see how to sum the sequence. Can you adapt the method to sum other sequences?

Cashing Up
problem

Cashing up

5 to 11
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What is the most common coin in this shopkeeper's till?
Clapping Times
problem
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Clapping times

5 to 7
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If you count from 1 to 20 and clap more loudly on the numbers in the two times table, as well as saying those numbers loudly, which numbers will be loud?

Genetic Intrigue
article

Genetic intrigue

16 to 18
Dip your toe into the fascinating topic of genetics. From Mendel's theories to some cutting edge experimental techniques, this article gives an insight into some of the processes underlying a fundamental biological discipline.
Table patterns go wild!
problem
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Table patterns go wild!

7 to 11
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Nearly all of us have made table patterns on hundred squares, that is 10 by 10 grids. This problem looks at the patterns on differently sized square grids.

A problem is only a problem when you can't do it
article

A problem is only a problem when you can't do it

..or ..life is never as straightforward as you think. Jenny Piggott and Jenni Back ask what are problem solving and mathematical thinking, and how do they relate to what we do in the classroom?
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