How does a person write a mathematical report?

I need help… I am supposed to write a report for math, we watched the mathematical movie Flatland

and this is what the teacher said we needed to do…

KLL maths, analyzing and report writing in mathematics
Headings:
Introduction: what are you doing
Information/measurement what are going to need and how are you going to do it?
Mathematical calculation
Interpretation of your answers
Do your answers make sense?
Organisation of presentation.

this is what I wrote…am I on the good way of doing it?

Flatland

The short movie called Flatland is based on a book of the same name. It forst starts in a 2-dimensional and basically the storyline is based on the 2-d town’s birthday. A girl and her father argue over how a 3-dimensional cube she (hexagon)has he own opinions and her father (square) has his own opinions.
At the end it turned out that the girl (hexagon) was right.

I just don’t seem to understand. I am also supposed to do the same thing for English :/