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

Reach the peak of puzzling by completing this challenging sudoku for middle schoolers!

The school day is over, but the backpacks are all mixed up! Can you help each student find their backpack?

Ponder place value puzzles in this fourth- and fifth-grade worksheet!