Place value and column methods
Place value and column methods
Addition combines amounts, and subtraction takes one amount away from another. In a column method, matching place values must line up, so ones go under ones, tens under tens, and so on.
Step-by-step lessons on Edexcel IGCSE Maths Addition and Subtraction. 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.