Draw Diagrams: If a question describes a complex setup, draw a free-body diagram or a schematic immediately to visualize the forces.

O-Levels gave you Celsius. H2 Promos gives you the "Jolly Thermometer" or "Resistance thermometer." You’ll spend 15 minutes trying to linearize the graph. The hack: Always derive the linear formula first: $(X - X_0)/(X_100 - X_0) = (T - 0)/100$. Plug and chug after you write that line. Marks are given for the formula, not just the number.