Texas Instruments
Texas Instruments: Numb3 Rs: Truth or Dare
Based off of the hit television show NUMB3RS, this lesson present a series of five logic puzzles, most of which include the classic "liars and truth-tellers" format. On the teacher's page, sample leading questions are presented to help...
Math Is Fun
Math Is Fun: Math and Logic Puzzles
A collection of puzzles that will challenge your knowledge of measurement, logic, symmetry, numbers, algebra, and other math-related topics.
Math Is Fun
Math Is Fun: Math and Logic Games
A collection of games sure to challenge your math and logic skills. Play chess, 4 in a line (like Connect 4), checkers, reversi, and other fun games.
Other
Sun Online Magazine for Children
An online magazine for children featuring online games, stories, tips on parenting, virtual school and tales. Russian only.
Math Slice
Math Slice: Bricks 21 Game
To win this strategic game you must lay the 21st brick. That is what makes this interactive game challenging. Play against the computer or a partner. Winners will have their names posted for the day.
Cool Math
Coolmath: Coolmath Games: B Cubed
For this game, you must guide a cube along a path of squares in order to reach the red square. Along the way, you must touch every individual square.
Other
Petals Around the Rose
Logic puzzle involving dice. A person must figure out a number based on which dice are rolled.
University of Cambridge
University of Cambridge: Nrich: Game Fifteen
Sharpen your problem solving and strategy skills playing this interactive game, Fifteen. The rules are simple but the game requires some thinking if you want to beat the computer. There is a "Printable Page," link if you want to print it...
University of Cambridge
University of Cambridge: Nrich: Game: Tandem
Sharpen your problem solving and strategy skills playing this game. There is a "printable page" link if you want to print it out to help you work with the problem.