You are given a map, and the map grid reference (basically the x and y coordinates of the point on the map) of 2 points. You are asked to find the distance between those two points. You only have the map, protractor with ruler, the question paper, the answer sheet, and a pen. Your table is 30cm by 30cm large , the map is 1m by 1m, and the room is so packed that the students' elbows touch each other. How do you find the distance between the two points?

Method one: Plot the points and measure the distance, and convert with scale.

Method two: Find the distance using the map grid reference using Pythagoras' theorem. (Disregard the fact the you do not have a calculator)

Knowing me, I did the 2nd method.

I estimated the hypotenuse of a 110m by 500m triangle without a calculator to be 514m. =)

So happy to be able to use JC math.