It's a number conga line! Kids flex cognitive skills and learn numbers with this puzzle.

Kids must compose a square from smaller shapes in this tangram game.

Kids must piece together this artsy puzzle, featuring painter Floyd and his muse.

Arrgh! Kids must find matching items in the treasure chest before time runs out.

Kids learn all about taking away in this interactive puzzle with a subtraction image.

Puzzles are a great way to work on math skills like shapes and organizing -- and this online puzzle is a great tool for kids of all ages and skill levels.