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Thinking about different ways of thinking
This article, the first in a series, discusses mathematical-logical
intelligence as described by Howard Gardner.
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article
All is number
Read all about Pythagoras' mathematical discoveries in this article written for students.
article
Opening out
Bernard Bagnall describes how to get more out of some favourite
NRICH investigations.
article
Activities on the Gattegno chart
In this article, Alf outlines six activities using the Gattegno chart, which help to develop understanding of place value, multiplication and division.
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Let's investigate triangles
5 to 7
Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
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Area L
16 to 18
By sketching a graph of a continuous increasing function, can you prove a useful result about integrals?
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Hundred square
5 to 11
A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?
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How much did it cost?
7 to 11
Use your logical thinking skills to deduce how much Dan's crisps and ice cream cost altogether.
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Reaction timer
11 to 14
This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.
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Circle panes
7 to 11
Look at the mathematics that is all around us - this circular window is a wonderful example.