Math Oct.29th Prime numbers and composite numbers

Liquorice factory

http://glenroysc.wikispaces.com/file/view/N9+The+liquorice+factory.pdf

What is prime ? What is composite ?

Prime can only be divided by themselves and the number one.2,3,5

All other numbers are composite which means they can be divided by other numbers. EG. 4,6,10

Games

http://www.sheppardsoftware.com/mathgames/numbers/fruit_shoot_prime.htm

http://www.softschools.com/math/prime_numbers/prime_numbers_up_to_100/

http://www.xpmath.com/forums/arcade.php?do=play&gameid=60

http://www.murderousmaths.co.uk/games/primcal.htm

http://www.xpmath.com/forums/arcade.php?do=play&gameid=109