Some lovely interactive number grids.

1-100
http://www.oswego.org/ocsd-web/games/SplatSquares/splatsq100.html

0-99
http://www.oswego.org/ocsd-web/games/SplatSquares/splatsq99.html

1-100 Reveal
http://www.oswego.org/ocsd-web/games/SplatSquares/splatre100.html

0-99 Reveal
http://www.oswego.org/ocsd-web/games/SplatSquares/splatre99.html

Can you locate the 10 numbers on the 100-grid in less than one minute?

http://www.oswego.org/ocsd-web/games/DogBone/gamebone.html

An interactive 100 square. You can choose to start the square with either 0 or 1.

http://www.hellam.net/maths2000/100square.html

You can also change the 'width' of the 100 board using this link:

http://www.hellam.net/maths2000/nsquare.html

This is a Promethean ActivBoard Resource Pack for teaching counting and sorting. It has a number of themes including a birthday cake and candles, chickens, fish, ladybirds, lollipops and many more.

Each theme contains a completed flipchart page, a background, “decorative images” and images to count or sort. You will also find a folder with sample sorting boxes including pre-done pages, individual boxes and groups of boxes.

The flipchart can be found here:
http://www.prometheanplanet.com/uk/server/show/ConResource.13732

If you are not yet a member of Promethean Planet, you will first have to register here:
http://www.prometheanplanet.com/uk/server/show/nav.914

An interactive activity for those littlies who are just learning the digits.
http://www.poissonrouge.com/bigfish/en/numbers.html

A snakes-and-ladders type board game to help the littlies learn to count.
http://www.poissonrouge.com/bigfish/en/boardgame.html