Describing patterns and sequences

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

problem

Favourite

Elevenses

Age

11 to 14

Challenge level

How many pairs of numbers can you find that add up to a multiple of 11? Do you notice anything interesting about your results?

problem

Favourite

Carrying cards

Age

7 to 11

Challenge level

These sixteen children are standing in four lines of four, one behind the other. They are each holding a card with a number on it. Can you work out the missing numbers?

problem

Favourite

Baravelle

Age

7 to 16

Challenge level

What can you see? What do you notice? What questions can you ask?

problem

Favourite

Circles, circles

Age

5 to 11

Challenge level

Here are some arrangements of circles. How many circles would I need to make the next size up for each? Can you create your own arrangement and investigate the number of circles it needs?

problem

Favourite

Pocket money

Age

11 to 14

Challenge level

Which of these pocket money systems would you rather have?

problem

Counting stick conjectures

Age

5 to 11

Challenge level

How many rectangles can you see? Are they all the same size? Can you predict how many rectangles there will be in counting sticks of different lengths?