Hexdominoes Gamepuzzles

“We knew Hexdominoes would be a winner, with hundreds of patterns, color themes, easy and difficult challenges. And now we keep discovering more and more beautiful designs of symmetry, color …

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 …

Rubik’s Magic

Own a Rubik’s Magic or found yourself curious about how they work? These videos reveal some of the near endless constructible configurations to be explored. Bonus! If you are the …

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

Dots on a Circle

How many regions are created by connecting dots with line segments intersecting parts of a circle? Explore what happens when those dots are placed haphazardly versus symmetrically, as well as …

Playing with Evens and Odds

Explore the concept of handshakes through this twist on connect-the-dots. Draw lines, representing handshakes, between dots, representing people, so that the number of lines drawn matches the number next to …

Playing Pool

Explore angles as you theoretically shoot pool balls across grid paper in an attempt to land them in the pockets of the pool table. Where will the ball land if …