The Knewton Blog

In this video, Dave and Jen provide an introduction to “strengthen” questions on the GMAT Critical Reasoning section. As Dave and Jen explain, there are two main ways for an answer choice to strengthen an argument presented in a CR question stem: Validate an assumption on which the conclusion depends Provide an additional piece of evidence that supports the conclusion Be sure to check out the earlier segments of this Critical Reasoning lesson, part of… Read more

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In this video, Jen and Dave walk you through two typical GMAT Assumption questions — and outline an approach that can help you deal with all arguments on the GMAT Critical Reasoning section. They start by breaking down each argument’s evidence and conclusion, then explain how a little pre-work can help you eliminate trap answers and identify right answers much more quickly. At the second question (4:30), press pause to try it out before Dave and… Read more

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In this video, Jen and Dave break down the three most common question types on the GMAT Critical Reasoning section: Weakening, Strengthening, and Assumption questions. They start by covering the structure that underlies all three question types, then show you two strategies for dealing with Assumption problems in particular: one, how to check the validity of an assumption by using the Negation Test, and two, how “pre-phrasing” can help you recognize an assumption in the… Read more

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In the fifth and final installment of Knewton’s Intro to GMAT Quant Lesson, expert teachers Jess and Rich give you a chance to try out some tricky Data Sufficiency questions involving ratios. They’ll also talk about proportions, and give you a list of common powers and common decimal-fraction-percentages equivalencies to memorize in order to save time on test day. If you missed any of the previous lessons, be sure to check them out here!

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In the fourth installment of our Intro to GMAT Quant Lesson, Knewton teachers Jess and Rich give you a solid introduction to fractions on the GMAT. Get (re)acquainted with proper and improper fractions, mixed numbers, and reciprocals, and learn the best way to compare and convert fractions on the test. Watch this video to review and test your skills – after all, if you want to master tougher quant problems on the GMAT, the basics… Read more

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In part three of Knewton’s Intro to GMAT Quant lesson, Jess and Rich provide a primer on percentages, ratios, and fractions on the GMAT. If it’s been a while since you’ve tackled math problems, this review will give you  exactly what you need to get back on track. Review the difference between “percentage of” and “percentage increase/decrease,” and test your skills with some GMAT practice problems. Stay tuned for the next installment of the lesson!

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We recently a released a new and improved on-demand video player in our GMAT course, and to spread the word we’re releasing the first Sentence Correction lesson in nine handy installments. If you’re looking improve your score in SC, be sure to watch all the videos for expert advice on this tricky section. The final installment of the lesson, shown above, is all about idioms. Idioms are constructions that must be worded in a certain way…. Read more

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In part two of Knewton’s Intro to GMAT Quant lesson, Jess and Rich walk you through the fundamentals of Data Sufficiency. Learn the two main types of DS questions you have to recognize on test day, and see how you do on an example of each one. Be sure to check out Rich and Jess’s rule that has to be second nature for every GMAT student: On Yes/No Data Sufficiency questions, “no” does not necessarily… Read more

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We recently a released a new and improved on-demand video player in our GMAT course, and to spread the word we’re releasing the first Sentence Correction lesson in nine handy installments. If you’re looking improve your score in SC, be sure to watch all the videos for expert advice on this tricky section. The eighth installment of the lesson, shown above, is all about pronoun errors on GMAT SC. As expert instructors Jen Rugani and Dave… Read more

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We recently a released a new and improved on-demand video player in our GMAT course, and to spread the word we’re releasing the first Sentence Correction lesson in nine handy installments. If you’re looking to improve your score in SC, be sure to watch all the GMAT videos for expert advice on this tricky section. The seventh installment of the lesson, shown above, provides a primer on verb tense errors on GMAT SC. Even if you’re… Read more

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