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.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (096 100)
Get ready for future math competitions with these five math problems. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (221 225)
Get ready for future math competitions with these five math problems. Each problem is marked according to their levels of difficulty.
Ministerio de Educacion, Cultura y Deporte (Spain)
Centros5: Rincon Matematico 2000
Enjoy many of the math poems, puzzles and tricks in this math corner.
Other
Websudoku
A fun puzzler to get any mind thinking logically! Try many levels of puzzles using the following rules: "Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3x3...
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (001 005)
Challenge yourself with these five math problems. Each problem is marked by their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (011 015)
Challenge yourself with these five math problems. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (016 020)
Challenge yourself with these five math problems. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (006 010)
Challenge yourself with these five math problems. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (021 025)
Challenge yourself with these five math problems. Each problem is marked according to their levels of difficulty.
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: 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: 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: 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: 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.
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.
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...
University of Cambridge
University of Cambridge: Nrich: 1 Step 2 Step, Fibonacci
See if you can find the patterns on the staircase. Mr. Fibonacci would be so proud to know you found the solution. You can check your solution right at this nifty one-page website.
Dartmouth College
Dartmouth College: Mqed: The Hand and the Key
The learning resource explores the mathematical riddles embedded in the walls of a palace.