![Three neighbours](/sites/default/files/styles/medium/public/thumbnails/content-id-8108-icon.gif?itok=eZEBmBsF)
Reading, writing and representing numbers
![Three neighbours](/sites/default/files/styles/medium/public/thumbnails/content-id-8108-icon.gif?itok=eZEBmBsF)
![Standard Index Form Matching](/sites/default/files/styles/medium/public/thumbnails/content-id-14530-icon.jpg?itok=VNvPXCl_)
problem
Standard Index Form Matching
Can you match these calculations in Standard Index Form with their answers?
![Neighbourly Addition](/sites/default/files/styles/medium/public/thumbnails/content-id-14222-icon.jpg?itok=qVsG-7To)
problem
Neighbourly Addition
I added together some of my neighbours' house numbers. Can you explain the patterns I noticed?
![Placeholder: several colourful numbers](/themes/nrich/images/nrich_small_placeholder.png)
list
More Lower Primary Number Sense and Place Value Activities
More activities which will help you get a better of sense of numbers and understand what we mean by place value.
![Amount](/sites/default/files/styles/medium/public/thumbnails/content-id-10789-icon.png?itok=ALQYHBmU)
list
Amount
These tasks will help learners develop their understanding of place value, particularly giving them opportunities to express numbers as amounts.
![Early number sense](/sites/default/files/styles/medium/public/thumbnails/content-id-10785-icon.png?itok=7Co-cJPi)
![Activities on the Gattegno Chart](/sites/default/files/styles/medium/public/thumbnails/content-id-10741-icon.png?itok=jXAOOlc6)
article
Activities on the Gattegno Chart
In this article, Alf outlines six activities using the Gattegno chart, which help to develop understanding of place value, multiplication and division.
![Dot Card Games](/sites/default/files/styles/medium/public/thumbnails/content-id-10740-icon.png?itok=MhO1Vvn4)
article
Dot Card Games
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.
![Matching numbers](/sites/default/files/styles/medium/public/thumbnails/content-id-8282-icon.png?itok=WwsQ2SK7)
problem
Matching numbers
Can you find different ways of showing the same number? Try this matching game and see!
![That number square](/sites/default/files/styles/medium/public/thumbnails/content-id-8169-icon.jpg?itok=RXd521Qj)
problem
That number square
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?