Visualising and representing

problem
A4 fraction subtraction

Age

7 to 11

Challenge level

This task offers opportunities to subtract fractions using A4 paper.
problem
Vanishing point

Age

14 to 18

Challenge level

How can visual patterns be used to prove sums of series?
article
Children's thinking

Dr Sue Gifford outlines different ways in which you might capture young children's mathematical thinking and how to send samples to NRICH.
article
Young children's mathematical recording

In this article, Janine Davenall reflects on children's personalised mathematical recordings as part of a small research project based in her Reception class.
article
Purposeful paper folding

In this article for primary teachers, Fran describes her passion for paper folding as a springboard for mathematics.
problem
Doubly consecutive sums

Age

11 to 14

Challenge level

How many numbers less than 2017 are both the sum of two consecutive integers and the sum of five consecutive integers?
problem
Soma surface

Age

11 to 14

Challenge level

What is the surface area of the solid shown?
problem
Tennis training

Age

14 to 16

Challenge level

After tennis training, Andy, Roger and Maria collect up the balls. Can you work out how many Andy collects?
problem
Same face

Age

11 to 14

Challenge level

A cube is rolled on a plane, landing on the squares in the order shown. Which two positions had the same face of the cube touching the surface?
problem
Travelator

Age

14 to 16

Challenge level

When Andrew arrives at the end of the walkway, how far is he ahead of Bill?