Number cards are a useful aid when discussing number tasks [******]. Tavy cards have been designed for just such a purpose.

I have so much more to say that I resort providing some questions that you may need. One of the busybusy aims is to keep every page short. This means many links, but they are deliberately optional: I shall not take offence if you skip them!
Youngsters who are 'learning their numbers', but are not happy with writing them, can discuss simple activities with their mentor [******].
The tiles can be moved around: a useful feature when explaining various mathematical and logical activites.