{"id":34635,"date":"2026-03-10T16:51:44","date_gmt":"2026-03-10T09:51:44","guid":{"rendered":"https:\/\/times.edu.vn\/?p=34635"},"modified":"2026-03-30T14:56:20","modified_gmt":"2026-03-30T07:56:20","slug":"igcse-maths-explain-questions","status":"publish","type":"post","link":"https:\/\/times.edu.vn\/en\/igcse\/igcse-maths-explain-questions\/","title":{"rendered":"IGCSE Maths \u201cExplain\u201d Questions 2026: What Examiners Want + How to Get Full Marks"},"content":{"rendered":"

IGCSE<\/a>\u00a0maths explanation questions require you to show clear, step-by-step mathematical reasoning, not just the final numerical answer. To score full marks, follow the command words (especially \u201cexplain,\u201d \u201cshow that,\u201d and \u201cprove\u201d), write logical steps with correct terminology, and state theorems or properties as justification.<\/p>\n

Use neat working, consistent equality lines, and well-labelled diagrams or visual aids where relevant, so your method matches the marking criteria. This approach protects marks even if a small slip changes the final value, because examiners can award method and reasoning credit.<\/p>\n

Mastering IGCSE Maths Explain Questions for Full Marks<\/strong><\/h2>\n

\"IGCSE<\/p>\n

IGCSE maths explains questions are where strong students separate themselves from students who can only \u201cget answers.\u201d These prompts reward mathematical reasoning, precise terminology, and a clear chain of logical steps that a marker can follow quickly. Based on our years of practical tutoring at Times Edu, the fastest route to higher marks is not doing harder questions first; it is writing better reasoning\u00a0on questions you already \u201cknow.\u201d<\/p>\n

A critical detail most students overlook in the 2026 exam cycle is that explanation marks are increasingly \u201cprocess-protective.\u201d If your final number is wrong due to a minor slip, your logical steps can still earn method marks when your reasoning matches the marking criteria. If your working is unclear or you skip a justification, you can lose marks even with the correct final answer.<\/p>\n

What \u201cexplain\u201d is actually testing<\/strong><\/h3>\n

An \u201cexplain\u201d prompt is a communication task disguised as a maths task. It tests whether you can connect a result to a theorem, identity, or property using proof, justification, and clarity. If your work reads like a sequence of unlabelled calculations, you are leaving marks on the table.<\/p>\n

Markers award credit when they can tick off a sequence of required ideas. That sequence is the marking criteria in action: Correct approach, valid transformations, correct use of theorems, and an unbroken logical chain. Your job is to make that chain visible.<\/p>\n

Command words that signal explanation marks<\/strong><\/h3>\n

The fastest way to improve performance is to treat command words as instructions for format, not just content. When you respond to \u201cshow that\u201d questions, you are being asked to land on a given target using valid logical steps. When you respond to \u201cexplain,\u201d you are being asked to make the reasons explicit, using correct terminology.<\/p>\n

Table 1. Command words and what the marker is scanning for<\/strong><\/p>\n\n\n\n\n\n\n\n\n
Command words<\/strong><\/th>\nWhat you must show<\/strong><\/th>\nWhat usually loses marks<\/strong><\/th>\n<\/tr>\n
Explain<\/td>\nReasons + steps + correct terminology<\/td>\nOnly calculations, no justification<\/td>\n<\/tr>\n
Show that<\/td>\nA logical path that reaches the given result<\/td>\nJumping to the result, unexplained algebra<\/td>\n<\/tr>\n
Prove<\/td>\nA general argument, not a single example<\/td>\nChecking one case and calling it \u201cproof\u201d<\/td>\n<\/tr>\n
Justify<\/td>\nA named theorem\/property that supports a claim<\/td>\n\u201cIt\u2019s obvious\u201d or missing theorem names<\/td>\n<\/tr>\n
Hence \/ Therefore<\/td>\nUsing a proven result to finish efficiently<\/td>\nRe-doing the whole question with no link<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

>>> Read more:<\/strong> Choosing IGCSE Subjects<\/a>: Your Path to Top Universities<\/p>\n

Keywords to Look for in Descriptive Mathematics Problems<\/strong><\/h2>\n

IGCSE maths explain questions are predictable once you know the signal words and the \u201chidden mark scheme.\u201d Students often read the question and start calculating, then realise too late it was asking for a proof or a reason. Train yourself to circle the command words and identify the expected reasoning style before writing anything.<\/p>\n

The keyword categories that matter<\/strong><\/h3>\n

There are three high-yield categories of keywords in descriptive mathematics problems. Each category pushes you toward a different structure of mathematical reasoning. If you match structure to keyword, you gain speed and reduce careless losses.<\/p>\n