Click on this link to play the perfect pair game to 10.  How well do you know your compatible numbers?

http://www.primaryresources.co.uk/maths/powerpoint/pairs_that_make_10.swf

 This link is a quiz to find the perfect match to make 100.

http://www.primaryresources.co.uk/maths/powerpoint/quiz_complements100.swf

Use this link to check the numbers that make up 20.

http://www.primaryresources.co.uk/maths/powerpoint/quiz_numberbondsto20.swf