GMAT Critical Reasoning practice, built around argument structure and the gap

Critical Reasoning gives you a short argument, usually a few sentences, and asks one precise question about it. The content is never the point. The reasoning is. Every CR item is built on a structure: some premises, an unstated logical move, and a conclusion that the premises are supposed to support but never fully do. The test is measuring whether you can see that structure under time pressure and name the exact relationship the question is asking about.

The single most useful skill is separating the conclusion from everything else. Premises are the evidence the author is leaning on. The conclusion is the claim the author wants you to accept. Between them sits a gap, the assumption the author needs to be true for the leap to hold. Almost every CR question family is just a different operation performed on that gap. Once you can locate the conclusion and articulate the gap in your own words, the answer choices stop feeling like five plausible sentences and start sorting themselves into one that does the job and four that do not.

GMAT Focus Critical Reasoning draws from a small, stable set of question types, and each one asks you to act on the argument's gap in a different way. Assumption questions ask you to name the unstated premise the argument depends on; the right answer is something the author must believe for the conclusion to stand. Strengthen and Weaken questions ask you to widen or narrow that same gap, adding a fact that makes the conclusion more or less likely without proving or disproving it outright. Evaluate questions ask which piece of information, once known, would most affect whether the conclusion holds.

Inference questions flip the direction: instead of judging support for a conclusion, you find the statement that must be true given the premises, staying tightly inside what was stated. Flaw questions ask you to describe the reasoning error in abstract terms, such as confusing correlation with causation or treating a sample as representative when it is not. Boldface questions, which show two marked portions of the argument, ask you to identify the logical role each plays, such as evidence, intermediate conclusion, or the position the author opposes. Knowing which family you are in before you read the choices is half the work, because each family has a different definition of a correct answer.

A reliable CR approach runs in a fixed order. Read the question stem first so you know which family you are in and what you are hunting for. Then read the argument and find the conclusion, the claim the rest of the text exists to support. Map the premises that lead to it, then state the gap between them in your own words before you look at a single answer choice. Going to the choices with a prediction in hand is what separates consistent scorers from people who get talked into the wrong answer.

The traps are predictable once you know the method. The out-of-scope choice introduces a new term the argument never raised, and it tempts you because it sounds reasonable in general. The reversed-logic choice strengthens when you were asked to weaken, or vice versa, and it catches readers who lost track of the question stem. The half-right choice gets the first clause correct and quietly fails on the second. Extreme-language choices use words like always, never, or only, which are usually too strong for what a careful argument supports. And the true-but-useless choice states something accurate that simply does not affect the conclusion. Most wrong answers are not random; they are engineered to attract a specific lazy reading, and naming the gap in advance is what makes them visible.

The hard part of improving at Critical Reasoning is not doing more questions; it is finding out which step of your reasoning is failing. PrepLattice questions are independently reviewed and calibrated to real GMAT Focus difficulty, so an item that feels hard is hard for a reason you can learn from, not because it is mis-tuned or off-format. Honest difficulty calibration is the genuine differentiator: you are practicing against a true gradient, not an arbitrary one.

When you miss a question, you get a plain-language explanation of what you picked, why that choice fails, and what to watch for the next time that pattern appears. Over time the explanations make your recurring weaknesses visible, whether you tend to miss the conclusion, get pulled toward out-of-scope choices, or reverse strengthen and weaken under time pressure. Your results and mistake history are saved to your account, so you can see which CR families you keep missing and how your accuracy shifts as you build the skill. That feedback loop is the mechanism, turning each miss into a specific thing to fix rather than a vague sense that Verbal is hard.

The free Daily Five is the same cohort set everyone gets: five fresh questions a day, balanced across Quantitative Reasoning, Verbal Reasoning, and Data Insights, with every miss explained. It is uniform for all members and refreshes daily, so on any given day your set may include Critical Reasoning alongside other Verbal and section content. The Daily Five is a steady, no-cost way to keep CR reasoning sharp.

If you want to drill Critical Reasoning specifically, the Committed plan opens the custom-set builder, where you can assemble practice focused on CR question families and difficulty bands, plus full-length GMAT Focus mocks and deeper section-by-section diagnostics. The builder and the targeted, coached selection are the paid features; the Daily Five and its per-miss explanations stay free for as long as you want them. Start with the Daily Five today, and move to a Committed custom set when you want to concentrate your reps on Critical Reasoning.