article
Spaces for Exploration
Alf Coles writes about how he tries to create 'spaces for exploration' for the students in his classrooms.
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Treasure Hunt
7 to 14
Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?
article
When the Angles of a Triangle Don't Add Up to 180 Degrees
This article outlines the underlying axioms of spherical geometry giving a simple proof that the sum of the angles of a triangle on the surface of a unit sphere is equal to pi plus the area of the triangle.
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Two Dice
5 to 7
Find all the numbers that can be made by adding the dots on two dice.
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Power Countdown
14 to 16
In this twist on the well-known Countdown numbers game, use your knowledge of Powers and Roots to make a target.
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A Chance to Win?
11 to 14
Imagine you were given the chance to win some money... and imagine you had nothing to lose...
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Olympic Measures
11 to 14
These Olympic quantities have been jumbled up! Can you put them back together again?
article
Mastering Mathematics: The Challenge of Generalising and Proof
This article for primary teachers discusses how we can help learners generalise and prove, using NRICH tasks as examples.
article
Coordinating Classroom Coordinates
This article describes a practical approach to enhance the teaching
and learning of coordinates.
article
A Maths Afternoon
This article describes no ordinary maths lesson. There were 24 children, mostly Years 3 and 4, and there were 17 adults working with them - mothers, fathers, one grandmother and two grandfathers, a classroom assistant and their regular teacher. Every child was working with an adult, and no two adults sat together.