1.
Collecting different types of leaves and soil, and pasting them in a scrapbook for holiday homework projects.
2.
Drawing the map of India... BY HAND.
3.
Memorising the course of India's major rivers and marking them out with a pencil.
6.
Doing calculations using log tables.
7.
Basically, any mathematics that an average person can't do in their head.
9.
Drawing a triangle using a compass.
10.
Drawing number lines.
11.
Using graph paper to chart IRL graphs.
12.
Learning the symbols for chemical elements, and memorising the entire fucking periodic table.
14.
Drawing shapes using Logo – a computer language that was outdated even in the '90s.
15.
Marching in a single file, multiple days of the week, in the hot sun.
16.
Memorising historical dates... down to the day.