Describing patterns and sequences

There are 125 NRICH Mathematical resources connected to Describing patterns and sequences
The Mathemagician's Seven Spells
problem

The Mathemagician's Seven Spells

Age
7 to 11
Challenge level
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"Tell me the next two numbers in each of these seven minor spells", chanted the Mathemagician, "And the great spell will crumble away!" Can you help Anna and David break the spell?
Transformation Tease
problem

Transformation Tease

Age
7 to 11
Challenge level
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What are the coordinates of this shape after it has been transformed in the ways described? Compare these with the original coordinates. What do you notice about the numbers?
A Shapely Network
problem

A Shapely Network

Age
7 to 11
Challenge level
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Your challenge is to find the longest way through the network following this rule. You can start and finish anywhere, and with any shape, as long as you follow the correct order.
The tomato and the bean
problem

The tomato and the bean

Age
5 to 7
Challenge level
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At the beginning of May Tom put his tomato plant outside. On the same day he sowed a bean in another pot. When will the two be the same height?
A Calendar Question
problem

A Calendar Question

Age
7 to 11
Challenge level
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July 1st 2001 was on a Sunday. July 1st 2002 was on a Monday. When did July 1st fall on a Monday again?
Next Number
problem

Next Number

Age
7 to 11
Challenge level
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Find the next number in this pattern: 3, 7, 19, 55 ...
1 Step 2 Step
problem

1 Step 2 Step

Age
11 to 14
Challenge level
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Liam's house has a staircase with 12 steps. He can go down the steps one at a time or two at time. In how many different ways can Liam go down the 12 steps?
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?
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?
Pyramid numbers
problem

Pyramid numbers

Age
7 to 11
Challenge level
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What are the next three numbers in this sequence? Can you explain why are they called pyramid numbers?