Math Dictionary for Kids
General Sites
AAA Math Dositey - Math all grades
A Plus Math Math Facts
Silver Burdett Ginn - math textbook adoption Fun game that has add/sub/mult/div/round
Fun Brain Virtual Math Manipulatives
Rainforest Math (K-6th) Britannica Online Math Excercises by Grade Level (Great)
Kidsnumbers - a little of everything Math Games - Fun
Measurements
Ruler Game Shape Surveyor-Fun Brain
Quia - Customary Measurements Quia - Customary Equivalents
Harcourt - Equivalent Customary Measures  
Counting
pbs- Number of the Day Count your chickens
Fill in the missing number Snakes and ladders board game
Counting to 9 Count the sea horses
counting fish  
Patterns and Shapes
 Pattern game  Pattern Mania
 Pattern game 2  Logical Thinking
Logic puzzle with numbers - Sudoku Making a picture out of shapes

Symmetry

  
Telling Time
Telling Time by 5 min. - 10 questions Practicing Time - different intervals
Telling Time by hr. and 30 min. Time- set time and check-min. to hr.
Telling Time Game Learning to tell time and quizzes

Addition/Subtraction
Number sentences Base Ten Blocks
Add 'Em Up Math Baseball - 1 or 2 player
Take It Away Monster Fun
Choose Awesome Addition or Super Subtraction Addition Surprise from Harcourt Brace
Math Adds - Math Magician   Addition - regrouping
subtraction regrouping worksheet Subtraction - regrouping

Multiplication/Division
Product Game Multiplication Game
Multiplication Hidden Picture - through 12 X 12 Lemonade Larry
Multiplication Flash Cards Farm Stand - combines multiplication and addition
Mighty Math from HB - have to show the number you carry Batter's Up Baseball - includes single and double digit mult.
Times Tables Multiplication Games - Fun
Multiplication Table practice - good Dividing 2 digit numbers by 1 digit numbers
Long Division - Step by step  

Decimals/Fractions
Learning Fractions - Coolmath Learning Fractions - Visual Fractions
Fraction Games Equivalent Fractions with bars and pies
Great site for higher level math including decimals and fractions Fireworks Fractions - Equivalent Fractions
Equivalent Fraction Concentration Equivalent Ration Concentration
Decimals to Fractions Concentration Equivalent Decimal Concentration
Equivalent Fraction Model Concentration Equivalent Fractions

Money
Change Maker Money Experience for Kids
Money Flashcards The U.S. Mint site for Kids- games and history of coins
Kids Numbers - Money Counting coins beginner
list of online interactive money games calculate the change (by subtracting and showing money)
Money - Anne Moncure Elementary Good  

Graphs
Create a Graph Gere's Bike - Interactive Graph Lesson from the U.K.
Tables and Graphs with online quiz