Reading, writing and representing numbers

There are 36 NRICH Mathematical resources connected to Reading, writing and representing numbers
Three neighbours
problem
Favourite

Three neighbours

Age
7 to 14
Challenge level
filled star filled star empty star
Take three consecutive numbers and add them together. What do you notice?
Standard Index Form Matching
problem
Favourite

Standard index form matching

Age
14 to 16
Challenge level
filled star empty star empty star
Can you match these calculations in Standard Index Form with their answers?
How would we count?
problem
Favourite

How would we count?

Age
5 to 11
Challenge level
filled star empty star empty star

An activity centred around observations of dots and how we visualise number arrangement patterns.

That number square
problem
Favourite

That number square

Age
5 to 11
Challenge level
filled star empty star empty star
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
Take three numbers
problem
Favourite

Take three numbers

Age
7 to 11
Challenge level
filled star empty star empty star

What happens when you add three numbers together? Will your answer be odd or even? How do you know?

Which Scripts?
problem
Favourite

Which scripts?

Age
7 to 11
Challenge level
filled star empty star empty star
There are six numbers written in five different scripts. Can you sort out which is which?
Even and odd
problem
Favourite

Even and odd

Age
5 to 7
Challenge level
filled star empty star empty star
This activity is best done with a whole class or in a large group. Can you match the cards? What happens when you add pairs of the numbers together?
Number match
problem
Favourite

Number match

Age
5 to 11
Challenge level
filled star empty star empty star

A task which depends on members of the group noticing the needs of others and responding.

Dotty Six
problem
Favourite

Dotty six

Age
5 to 11
Challenge level
filled star empty star empty star

Dotty Six is a simple dice game that you can adapt in many ways.

Roman Numerals
problem
Favourite

Roman numerals

Age
7 to 11
Challenge level
filled star empty star empty star
Can you find some examples when the number of Roman numerals is fewer than the number of Arabic numerals for the same number?