Describing patterns and sequences

There are 124 NRICH Mathematical resources connected to Describing patterns and sequences
Magazines
problem

Magazines

Age
7 to 11
Challenge level
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Let's suppose that you are going to have a magazine which has 16 pages of A5 size. Can you find some different ways to make these pages? Investigate the pattern for each if you number the pages.
Millennium Man
problem

Millennium man

Age
7 to 11
Challenge level
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Liitle Millennium Man was born on Saturday 1st January 2000 and he will retire on the first Saturday 1st January that occurs after his 60th birthday. How old will he be when he retires?
Function Machines
problem

Function machines

Age
7 to 11
Challenge level
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If the numbers 5, 7 and 4 go into this function machine, what numbers will come out?
Paving Paths
problem

Paving paths

Age
11 to 14
Challenge level
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How many different ways can I lay 10 paving slabs, each 2 foot by 1 foot, to make a path 2 foot wide and 10 foot long from my back door into my garden, without cutting any of the paving slabs?
Archimedes and numerical roots
problem

Archimedes and numerical roots

Age
14 to 16
Challenge level
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The problem is how did Archimedes calculate the lengths of the sides of the polygons which needed him to be able to calculate square roots?
Many Matildas
problem

Many matildas

Age
11 to 14
Challenge level
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MatildaMatildaMatil... What is the 1000th letter?
Sending Cards
problem

Sending cards

Age
7 to 11
Challenge level
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This challenge asks you to investigate the total number of cards that would be sent if four children send one to all three others. How many would be sent if there were five children? Six?
Taking Steps
problem

Taking steps

Age
7 to 11
Challenge level
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In each of the pictures the invitation is for you to: Count what you see. Identify how you think the pattern would continue.
Month Mania
problem

Month mania

Age
5 to 11
Challenge level
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Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?