There are 33 NRICH Mathematical resources connected to Reading, writing and representing numbers, you may find related items under Place value and the number system.
Broad Topics > Place value and the number system > Reading, writing and representing numbers
Can you match these calculations in Standard Index Form with their answers?
What do you see as you watch this video? Can you create a similar video for the number 12?
Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
Can you find some examples when the number of Roman numerals is fewer than the number of Arabic numerals for the same number?
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
Take three consecutive numbers and add them together. What do you notice?
Dotty Six is a simple dice game that you can adapt in many ways.
A task which depends on members of the group noticing the needs of others and responding.
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?
How can we help students make sense of addition and subtraction of negative numbers?
There are six numbers written in five different scripts. Can you sort out which is which?
I added together some of my neighbours' house numbers. Can you explain the patterns I noticed?
More activities which will help you get a better of sense of numbers and understand what we mean by place value.
These tasks will help learners develop their understanding of place value, particularly giving them opportunities to express numbers as amounts.
In this article, Alf outlines six activities using the Gattegno chart, which help to develop understanding of place value, multiplication and division.
These games devised by Jenni Way use dot cards which will help children see the structure of numbers 1-6 and give them confidence as they begin to add and subtract these numbers.
Dotty Six game for an adult and child. Will you be the first to have three sixes in a straight line?
This article looks at how models support mathematical thinking about numbers and the number system
Can you find different ways of showing the same number? Try this matching game and see!
These interactive dominoes can be dragged around the screen.
Using balancing scales what is the least number of weights needed to weigh all integer masses from 1 to 1000? Placing some of the weights in the same pan as the object how many are needed?
Bernard Bagnall recommends some primary school problems which use numbers from the environment around us, from clocks to house numbers.
This article for pupils explores what makes numbers special or lucky, and looks at the numbers that are all around us every day.
This article for the young and old talks about the origins of our number system and the important role zero has to play in it.
The first part of an investigation into how to represent numbers using geometric transformations that ultimately leads us to discover numbers not on the number line.
While musing about the difficulties children face in comprehending number structure, notation, etc., it occured to the author that there is a vast array of occasions when numbers and signs are used in anomalous ways; often these are at the earliest stages, when they must be enormously confusing. However, they also frequently happen in adult situations.
What could these drawings, found in a cave in Spain, represent?
This article for teachers describes how modelling number properties involving multiplication using an array of objects not only allows children to represent their thinking with concrete materials, but it can also assist them in forming useful mental pictures to support memory and reasoning.
This article for teachers describes how number arrays can be a useful representation for many number concepts.
Read this riddle and see if you can work out how the trees must be planted.