What inequalities tell us
What inequalities tell us
An equation gives one exact answer, such as x=4x = 4x=4. An inequality compares values and usually gives a range of answers, such as x<4x < 4x<4.
Step-by-step lessons on Edexcel IGCSE Maths Inequalities. Each one builds up to exam-style questions. Build confidence with the shared Foundation-tier content first, since roughly 40% of Higher-tier marks are targeted at the grades 4–5 boundary that both tiers have in common.