If you make a mistake, simply draw a straight line through the incorrect work. Do not use correction fluid (White-Out), as it can flake off and damage the high-speed scanning machines.
Leave at least one line of space between different answers. Running Out of Space
By integrating the into your weekly study routines and mock exams, you eliminate logistical surprises. This allows you to focus 100% of your mental energy on answering the questions accurately on exam day.
IB exams are scanned digitally. Correction fluid creates a glossy reflection under the scanner, making text unreadable. Simply draw a single line through the error.