4th Grade
Language Arts
red 1

Grammar Practice Park
(Harcourt School Publishers - Grades 3-5)

red 2 4th Grade Language Arts Skill Builders (Internet4Classrooms)
red 3 Main Idea
Math Facts
blue 1 That Quiz
blue 2 AAA Math Facts
blue 3 Math Magician Math Facts
Math
blue 4 Math Expressions
( Eduplace)
blue 5 4th Grade Math Skill Builders
(Internet4Classrooms)
blue 6 Academic Skillbuilders
(Math Facts - Racecar "game")
blue 7 Jigsawdoku
Sudoku for Kids
blue 8 FunBrain Math Games
Geometry
blue 9

Quadrilateral Quest - do you know their properties?

blue 10 Quadrilateral Tangram
blue 11 Interactive Quadralaterals - change their shape
blue 12 Interactive Triangles - change their shape
blue 13 Shape, Space and Measure - 2d, 3d, angles, measuring, symmetry and time - some challenging games
blue 14 Identify Geometric Shapes - Hidden Picture
Research
yellow 1 States Research (Enchanted Learning)
yellow 2 States Research (Kidspace)
yellow 3 States Research (Kidzone)
yellow 4 States Research (NetState.com)
Science
purple 1 Foss Science Website
purple 2 Penguin Facts
purple 3 Penguin Quiz
link to SeaWorld - Penguins
Social Studies
orange 1 United States Geography - states and capitals
orange #2 Lewis & Clark Expedition - National Geographic
orange #3  Lewis & Clark Expedition - PBS
For Fun
pink 1 I Spy - from Scholastic
pink 2 FunBrain Math Arcade
Typing Practice
black 1 Typing Games (and lessons) but the games are fun and free
black 2 Computer Circus