multi-subject games and quizzes
http://www.funbrain.com/

Many, many multiplication games
http://multiplication.com/activities.htm

Multiplying Decimals Game
http://www.aaastudy.com/dec54ax2.htm

Matho multiplication game

http://www.aplusmath.com/games/matho/MultMatho.html

Multiplication Concentration

http://www.aplusmath.com/Games/Concentration/Multiplication_Concentration.html

Hidden Picture Game

http://www.aplusmath.com/games/picture/MultPicture.html

Multiplication Planet Blaster

http://www.aplusmath.com/Games/PlanetBlasterBasics/index.html

Math facts, printables, flash cards, etc.

http://www.mathfactcafe.com/

Free math worksheets for those wanting additional practice

www.math-drills.com  

Prime Factors and Factor Tree Game

http://www.mathgoodies.com/factors/prime_factors.html

Math brain teaser problems
http://www.eduplace.com/math/brain/

math crossword puzzle -- vocabulary
http://www.mathgoodies.com/puzzles/no_theory_cw.shtm

math word search puzzle -- vocabulary
http://www.mathgoodies.com/puzzles/no_theory_ws.shtm

math problem practice
http://hbogucki.staffnet.com/aemes/apps/mmm/mmm.htm

math flash card games
http://www.k2college.com/Webpages/ElementarySchool/FlashCards/Main.asp

More math flash card games
http://www.edu4kids.com/math/

http://www.wmnet.org.uk/wmnet/custom/files_uploaded/uploaded_resources/852/2ring-centrev4.swf

math games -- This site contains online flashcards.

http://www.aaamath.com/B/grade2.htm

learn about the coins

many math games including money

Spending Spree money counting game

Counting Money

multiple money counting games (scroll more to bottom of page)

An interactive site for telling time

Learning to tell time

http://users.netrover.com/~kingskids/timeindex.htm