MYP Style linear patterns task based on the famous painted cube problem. Students are asked to find the equation for number of small cubes with three, two, one, and no sides painted for a larger cube of any side length n. It is valuable as a formative task to help students get used to investigation task structure or possibly as a formative assessment. I would not recommend using it formally as a summative task. It is essentially four mini-investigations in one instead of one investigation whos