How To Picross (Mario's Picross)

Picross is a puzzle game of numbers and logic.
This is Mario's Picross, a game of picross with mario theme'd puzzles on the Nintendo Gameboy.

While many people can be intimidated by picross, it's actually a fairly easy math-styled addition/subtraction game that can help bolster basic math skills.
I go through some of the basic tricks to playing any picross game in this video.