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Articles & Exam Prep Guides

Study tips, test strategies, and prep guides for the SAT, GMAT, GRE, TOEFL, IELTS, and ACT.

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IELTS

IELTS True False Not Given and Yes No Not Given

True/False/Not Given (TFNG) and Yes/No/Not Given (YNNG) are two separate IELTS Reading question types: TFNG checks facts in the pa...

Jul 28, 2026
IELTS True False Not Given and Yes No Not Given
TOEFL

TOEFL Factual and Negative Factual Information

Factual Information questions ask you to find the one answer choice a passage states directly. Negative Factual Information questi...

Jul 28, 2026
TOEFL Factual and Negative Factual Information
GMAT

GMAT Critical Reasoning: Inference, Paradox and Boldface

GMAT Critical Reasoning has three official types, set by GMAC. Type 1 asks you to attack or improve an argument and covers more th...

Jul 28, 2026
GMAT Critical Reasoning: Inference, Paradox and Boldface
GRE

GRE Algebra: Equations, Inequalities and Functions

GRE Algebra is one of the four Quantitative Reasoning content areas ETS tests, alongside Arithmetic, Geometry and Data Analysis. I...

Jul 28, 2026
GRE Algebra: Equations, Inequalities and Functions
ACT

ACT English Sentence Structure: Fragments and Modifiers

Sentence Structure and Formation questions sit inside Conventions of Standard English, which accounts for 38 to 43 percent of the...

Jul 28, 2026
ACT English Sentence Structure: Fragments and Modifiers
SAT

SAT Quadratic Equations and Nonlinear Systems

A quadratic equation takes the form ax² + bx + c = 0. Three methods solve it: factoring, completing the square, and the quadratic...

Jul 28, 2026
SAT Quadratic Equations and Nonlinear Systems
Test Prep

Managing Test Anxiety on Exam Day

Test anxiety drops when you control the parts of exam day within your power: sleep, food, arrival time, and a short reset routine...

Jul 28, 2026
Managing Test Anxiety on Exam Day
IELTS

IELTS Reading: Matching Questions Explained

IELTS Academic Reading has four matching question types: matching headings, matching information, matching features and matching s...

Jul 27, 2026
IELTS Reading: Matching Questions Explained
TOEFL

TOEFL Complete the Words and Read in Daily Life

Complete the Words and Read in Daily Life are two new TOEFL Reading task types added in the January 2026 redesign. Complete the Wo...

Jul 27, 2026
TOEFL Complete the Words and Read in Daily Life
GMAT

GMAT Critical Reasoning: Assumption Family Questions

GMAT Critical Reasoning groups four question types under one skill: finding the gap between an argument's evidence and its conclus...

Jul 27, 2026
GMAT Critical Reasoning: Assumption Family Questions
GRE

GRE Percents, Ratios and Proportions

Find a percent of a number by turning the percent into a decimal and multiplying: 20 percent of 150 is 0.20 times 150, or 30. Thes...

Jul 27, 2026
GRE Percents, Ratios and Proportions
ACT

ACT English Punctuation Rules

ACT English punctuation splits into three rule groups: apostrophes, commas, and the semicolon, colon, and dash family. These quest...

Jul 27, 2026
ACT English Punctuation Rules

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