Self-marking activity: Binary, denary & hexadecimal conversions! Binary addition! This resource is aimed at KS4 students however can be easily adapted for KS3. This resource is broken up into the following units: *1 - Types of units 2 - Binary and Denary conversion 3 - Binary Addition 4 - Binary and Hexadecimal conversion * Students get instant feedback through the incorrect/correct cells. This is ideal for both in class learning and home/independent learning.