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Stairs

This challenge is to design different step arrangements, which must go along a distance of 6 on the steps and must end up at 6 high.

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Month Mania

Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?

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Taking a Die for a Walk

Investigate the numbers that come up on a die as you roll it in the direction of north, south, east and west, without going over the path it's already made.

Sorting Numbers

Stage: 1 Challenge Level: Challenge Level:1

Numbers can be sorted in many different ways. We are just going to be using the numbers from 0 to 50.

In this box there is a set of numbers:

odd numbers
They are the odd numbers between 20 and 40.


In this box there is a set of numbers:
They are multiples of five.


Now you can make your own sets. Think of a good title for each of your sets.


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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities can be found here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.