University of Cambridge
University of Cambridge: Nrich: Got It
Sharpen your logical thinking and see if you can figure out the strategy to get to the target number before the computer.
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 Cats
Math Cats: Jumping Math Cats
An interactive game where players use problem-solving and logic to jump as many of the math cat faces as possible.
University of Cambridge
University of Cambridge: Nrich: Four Triangles Puzzle
Sharpen your logic and and pattern recognition skills with this four triangles puzzle. The solution is available to check your work.
Other
Brain Food: Puzzles for the Brain to Gnaw On
This site includes many games and puzzles ranging from word games to logic problems to riddles. These puzzles can be completed on line and offer interactive hints and solutions.
Math Playground
Math Playground
A collection games, word problems, logic puzzles, and math videos that elementary and middle school students can practice their math skills. Model math problems using blocks, work with online flash cards, complete worksheets, and more.
New York Times
New York Times: Crossword Puzzle: Weather
The New York Times Learning Network has developed interactive and printable crossword puzzles. The theme of this one is weather.
University of Cambridge
University of Cambridge: Nrich: Adding Plus
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.
Other
Juegos, Acertijos, Y Recreaciones Matematicas
In Spanish. A variety of logic problems, including puzzles and word problems with links to the answers. An excellent site to engage Spanish speaking students.
Dartmouth College
Dartmouth College: Mqed: The Hand and the Key
The learning resource explores the mathematical riddles embedded in the walls of a palace.
University of Cambridge
University of Cambridge: Nrich: Super Value Codes
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: One Big Triangle
On this one page website sharpen your logic and addition facts skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: 1, 2, 3 Magic Square
Sharpen your logic and basic addition facts skills while working on this challenge. Solution.
University of Cambridge
University of Cambridge: Nrich: Divide It Out!
On this one page website sharpen your logic and basic division fact skills while working on this challenge. The solution is available to double check your solution.
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: Octa Space
At this one page web site see if you can solve this puzzle involving the edges of an octahedron. You will definitely need to use your problem solving and spatial reasoning skills for this!
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.
Ministry of Education and Employment of Spain
Red Escolar: El Crucigrama De Hipatia
In Spanish. Hypatia of Alejandria was a great mathematician that from an early age taught and investigated almost all branches of mathematics. To remember her solve the crossword puzzle involving problems of arithmetic, geometry and...
Ministerio de Educacion, Cultura y Deporte (Spain)
Centros5: Rincon Matematico 2000
Enjoy many of the math poems, puzzles and tricks in this math corner.
University of Cambridge
University of Cambridge: Nrich: Clever Santa
Help Santa figure out how many puzzles and books to leave for the children of this family. Once you figure it out you can check the solution.