Inequalities Formulas – IGCSE Maths
Every inequalities formula you need for Cambridge IGCSE Mathematics 0580, with clear explanations of when and how to use each one.
Solve like equations but flip sign when ×/÷ by negative
CoreKey formula for inequalities in IGCSE Maths.
When to Use
Use when working with inequalities problems.
Show your substitution clearly for method marks.
Quadratic
ExtendedKey formula for inequalities in IGCSE Maths.
When to Use
Use when working with inequalities problems.
Show your substitution clearly for method marks.
Graph
CoreKey formula for inequalities in IGCSE Maths.
When to Use
Use when working with inequalities problems.
Show your substitution clearly for method marks.
Integer solutions
CoreKey formula for inequalities in IGCSE Maths.
When to Use
Use when working with inequalities problems.
Show your substitution clearly for method marks.
Struggling to remember these formulas?
Teacher Rig helps students master them through practice, not memorisation.
Book a Free TrialFrequently Asked Questions
Which inequalities formulas are given in the exam?
Check the IGCSE formula sheet provided in your exam. Some inequalities formulas must be memorised.
How do I remember inequalities formulas?
Practice using them in past paper questions. Repeated application is more effective than rote memorisation.
Need Help with IGCSE Maths Formulas?
Book a free trial class with Teacher Rig for personalised formula practice.