10 marks · Mathematics for FAA — number systems, percentages, ratios.
3 lessons in one prerequisite chain. Master each stop to unlock the next — derivation-first, atom by atom.
Fraction-percent conversion and increase/decrease.
2 atoms · Free · Entry lesson
Simplify ratios, divide quantities, and cross-multiply.
2 atoms · Free · After lesson 1
Prime factorisation, LCM/HCF shortcuts, and divisibility rules for FAA MCQs.
2 atoms · Free · After lesson 2