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Percents and percent change · GRE · Courselo

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GRE
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Quantitative Reasoning: arithmetic

Percents and percent change

Quantitative Reasoning: arithmetic · Lesson 4 of 6

Lesson 4 of 6

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Unit 4

Quantitative Reasoning: arithmetic

6 lessons · 5 h 30 min of study

Integers, divisibility, primes and remainders1 h 10 min of study
Fractions, decimals, absolute value and the number line50 min of study
Exponents and roots1 h of study
Percents and percent changeReading · 0%
Ratios, rates and proportions1 h of study
Sequences and patterns40 min of study

This unit is ≈12% of the GRE, across 6 lessons. Full syllabus

Lesson 4 of 6 · Quantitative Reasoning: arithmetic

Percents and percent change

3 quick checks≈2% of the testFoundational: Foundational: the groundwork the rest of the unit builds on

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By the end you’ll be able to

Compute percent of, percent change and percentage points, and tell them apart
Chain successive percent changes with multipliers (for example 1.2 × 0.8 = 0.96)
Find an original value from a changed value (reverse percentage)
Solve simple and compound interest problems

Practice this skill

Adaptive questions on percents and percent change.

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