These are great sites for math practice. Scroll down for lots of choices.

Places to practice addition:

Number Line Addition

Ten Frame

Shell Game

Funky Mummy Addition to Ten

Sum Stacker

Worm Math

Number Bond

Pipe Game

Math Magician

Vector Kids

Number Twins

Addition Attack

Make 15

Cannon Math

Subtraction Blast

Dr. Brain's Robot

Number Monster -Addition

Timernator Addition

Math Baseball

Math Popper

Place Value:

Shark Numbers

Dog Bone - finding your way around a 100 chart

Place Value Puzzle

Number Sense:

Comparing Numbers

Number Patterns

Spooky Sequence - number sequencing by 1's

Spooky Sequence - number sequencing by 2's

Spooky Sequence - number sequencing by 3's

Spooky Sequence - number sequencing by 5's

Spooky Sequence - number sequencing by 10's

Backward Spooky Sequence - number sequencing backwards by 2's

Backward Spooky Sequence - number sequencing backwards by 5's

Ghost Blasters - even numbers

Ghost Blasters - odd numbers

Telling Time:

Stop The Clock - 1/2 hour intervals

Stop The Clock - 15 minutes intervals

Stop The Clock - 5 minute intervals

Stop The Clock - time to the minute

Stop The Clock 2 - time to the minute

Stop The Clock - matching digital and analog

Bang On Time

Places to practice multiplication:

Vector Kids Multiplication

Multiplication.com - a variety of games

Sum Sense- Multiplication

Speed Grid

Sum Sense - Division

Places to practice money:

http://www.primarygames.com/Spending%20Spree/start.htm

http://www.toonuniversity.com/flash.asp?err=569

http://arcytech.org/java/money/money.html

http://www.aplusmath.com/cgi-bin/flashcards/money

http://www.mathplayground.com/making_change.html

http://www.practicalmoneyskills.com/games/puzzler/index.html

Fractions:

Pizza Fractions

http://www.gamequarium.com/fractions.html

Geometric Figures:

Tangrams

Shape Lab

Places to problem-solve and have fun:

Power Lines

Math Challenge

Circus Simon

Number Bubbles

Stacker

See Saw Logic