article
P Is for Posing
In this article for Primary teachers, we suggest a four step data handling model, based on the work of Alan Graham.
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article
Why Dialogue Matters in Primary Proof
In this article for Primary teachers, Ems explores three essential features of proof, all of which can be developed in the context of primary mathematics through talk.
article
Early Number Sense
This article explores the basic foundations of number sense and outlines relevant research in this area.
problem
3 out of 3
Tea Cups
7 to 14
3 out of 3
Place the 16 different combinations of cup/saucer in this 4 by 4 arrangement so that no row or column contains more than one cup or saucer of the same colour.
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Prepare for University - Mathematical Physics
Helpful preparation for university for those intending to study physical sciences.
problem
1 out of 3
Irrational Constructions
16 to 18
1 out of 3
What questions does the spiral construction prompt you to ask?
problem
1 out of 3
Napoleon's Hat
16 to 18
1 out of 3
Three equilateral triangles ABC, AYX and XZB are drawn with the point X a moveable point on AB. The points P, Q and R are the centres of the three triangles. What can you say about triangle PQR?
problem
1 out of 3
Favourite
Intersections
14 to 18
1 out of 3
Change one equation in this pair of simultaneous equations very slightly and there is a big change in the solution. Why?
problem
1 out of 3
Favourite
Salinon
14 to 16
1 out of 3
This shape comprises four semi-circles. What is the relationship between the area of the shaded region and the area of the circle on AB as diameter?
problem
1 out of 3
Overlapping Squares
7 to 11
1 out of 3
Have a good look at these images. Can you describe what is happening? There are plenty more images like this on NRICH's Exploring Squares CD.