Articles & Exam Prep Guides
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ACT Math Pre-Algebra: Numbers, Ratios and Percents
ACT pre-algebra and number questions cover integer, fraction, and decimal operations, ratios and proportions, percent increase and...
Jul 31, 2026
SAT One-Variable and Two-Variable Data Analysis
SAT one-variable and two-variable data questions belong to the Problem-Solving and Data Analysis domain, about 15% of the Math sec...
Jul 31, 2026
Percent to GPA Conversion Explained
There is no single official formula for turning a percentage score into a 4.0 GPA. Conversion depends on the country, the grading...
Jul 31, 2026
IELTS General Training Reading: Text Types Explained
IELTS General Training Reading Sections 1 and 2 use short, practical texts instead of the long passages found later in the test. S...
Jul 31, 2026
TOEFL Insert Text and Prose Summary Questions
Insert Text and Prose Summary are legacy TOEFL Reading formats, retired in the 2026 redesign. ETS's current Reading section page n...
Jul 31, 2026
GMAT Data Sufficiency: Value and Yes/No Questions
Data Sufficiency questions never ask you to solve a problem. They ask if the given statements give enough information to solve it....
Jul 31, 2026
GRE Circles, Quadrilaterals and Polygons
GRE Geometry covers circles, quadrilaterals and polygons in one content area with a short list of fixed formulas. A circle's area...
Jul 31, 2026
ACT English Rhetorical Skills: Organization and Purpose
ACT English rhetorical skills questions ask you to judge purpose and structure, not grammar. They sit inside the Production of Wri...
Jul 30, 2026
SAT Ratios, Rates and Percentages
Ratio, rate and percentage questions sit inside the SAT Problem-Solving and Data Analysis domain, worth 5 to 7 questions per Math...
Jul 30, 2026
Weighted vs Unweighted GPA Explained
A weighted GPA adds bonus points for honors, AP, and IB courses. An unweighted GPA stays on a flat 4.0 scale with no bonus points....
Jul 30, 2026
IELTS Reading Multiple Choice Questions Explained
IELTS Reading Multiple Choice comes in two forms. The single-answer version gives four options, A to D, and one option is correct....
Jul 30, 2026
TOEFL Reference and Sentence Simplification
TOEFL Reading does not name Reference or Sentence Simplification as official question types anymore. ETS lists three current Readi...
Jul 30, 2026