A challenge that will really get those neurons firing! To get ready for a teaching day, what is your favorite…
Help Sonya choose the bin with the right marbles. Are you ready to take up the challenge? Sonya faces a…
Let’s start the week with a little brain teaser! Sonya recently created a group for people who love math. The…
A new challenge in 6 levels! Sonya invented a machine that chooses a rule and applies it to all the…
A new puzzle to solve! It has been a while since Sonya challenged you with one of her little puzzles.…
