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The surveyor who came to tea
This article discusses how a survey company carries out its surveys and some of the issues involved.
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article
Keeping it safe and quiet
Simon Singh describes PKC, its origins, and why the science of code making and breaking is such a secret occupation.
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Developing number fluency - what, why and how
In this article for primary teachers, Lynne McClure outlines what is meant by fluency in the context of number and explains how our selection of NRICH tasks can help.
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Favourite
Seeing parallelograms
7 to 11
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.
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May the best person win
How can people be divided into groups fairly for events in the Paralympics, for school sports days, or for subject sets?
problem
Spectrometry detective
16 to 18
From the atomic masses recorded in a mass spectrometry analysis can
you deduce the possible form of these compounds?
problem
Favourite
Heads and feet
5 to 7
On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?
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NRICH at every stage
Whether you are reflecting on the mathematical developments children have made over the year, or thinking about activities for a transition day this article offers plenty of ideas and tasks to support you.
problem
Favourite
How would we count?
5 to 11
An activity centred around observations of dots and how we visualise number arrangement patterns.
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Developing number through tidying up
This article describes how one nursery setting focused on tidying up time as a context in which to explicitly target the development of number and calculation skills.