Students use algebraic thinking to find the value of each symbol in this Valentine's Day math puzzle!

You just won an amazing prize, but it’s locked in a safe! Thankfully, the code is a single integer between -40 and 40, and you’ve got the clues to solve it.

Spend a day in the park with five different friends in this middle-grade logic puzzle!

Get students in a planet-friendly mindset with this Earth Day-themed logic puzzle!

Enjoy a fun-filled snow day in this middle-grade logic puzzle!

Coordinate an Earth Day volunteer event with this middle-grade logic puzzle!

Don't let your mind go numb this winter break! Stay sharp with a challenging Sudoku puzzle.