Melvin's make a match

Matching equivalent fractions.
http://pbskids.org/cyberchase/games/equivalentfractions/equivalent_fractions.swf

Program to show simple fractions graphically.
http://www.csd.k12.nh.us/~lstua/circle%20fractions.swf

Billy Bug 2

The sequel to Billy Bug. This time, all four quadrants are used.

http://www.oswego.org/ocsd-web/games/BillyBug2/bug2.html

Billy Bug

Co-ordinates activity in the first quadrant - one of the best around.

http://www.oswego.org/ocsd-web/games/BillyBug/bugcoord.html

Mystery numbers

Drag number to the correct place value position. good whiteboard activity.
http://www.starrmatica.com/standalone/starrMaticaplaveValueMysteryNumbers.swf

A nice little program where a police car 'catches' multiples, primes or perfect squares.
Can be used individually or on the whiteboard.

http://hotmath.com/hotmath_help/games/numbercop/numbercop_hotmath.swf

A multimedia glossary of mathematical terms.

http://www.hbschool.com/glossary/math2/index_temp.html