Martin Games

Martin Games consists of two games each with 9 nodes. The first game features the nine different letters within MARTIN GARDNER and the second features the 6 different letters within …

Stacks Game

Be the first player to move all pieces across and off the board to win this 2-player strategy game. Decide between defensive and offensive strategy as you choose to move …

Square Permutations

Do square permutations always exist? Work through solutions and scenarios through this exploration activity. Submitted by: James Tanton Time Required: 30 minutes You’ll Need: paper and pencil Download Activity

Sliding Around

Robert A. Hearn’s Martin Gardner-inspired, coin-sliding puzzle takes sliding-coin puzzles to the next level. Instead of solving the puzzle in the fewest number of moves, these puzzles are similar to …

Math Puzzle Booklets

The Julia Robinson Mathematics Festival has gathered 44 pages of fun, mathematical puzzles. Solve squareable and trapezoidal numbers, staircase numbers, word and non-word puzzles, logic puzzles, and more with these …

Coin Puzzles

This selection of coin Puzzles was first submitted by ThinkFun, now part of Ravensburger, as part of their Puzzle Playground. As the original website no longer exists we have been …

NumCode

Use revealed segments of digits to fill in each grid’s cells made of of numbers 1 through 9. With their Sudoku-like style, these unique visual challenges are quite addictive! Submitted …

Games Kit

A collection of 12 classic games that were part of the Portuguese Championship of Mathematical games (2004-2013). Each of the selected games strengthens focus, visualization, forward thinking, and problem solving …