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Exponents and roots · GRE · Courselo

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GRE
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Quantitative Reasoning: arithmetic

Exponents and roots

Quantitative Reasoning: arithmetic · Lesson 3 of 6

Lesson 3 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 rootsReading · 0%
Percents and percent change50 min of study
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 3 of 6 · Quantitative Reasoning: arithmetic

Exponents and roots

3 quick checks≈2% of the testCore: Core: tested on most papers

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By the end you’ll be able to

Apply the laws of exponents, including zero, negative and fractional exponents
Simplify and combine square roots and other roots; rationalise simple denominators
Compare exponential expressions by rewriting them with a common base or exponent
Factor out common powers in sums and differences, such as 2^10 + 2^11

Practice this skill

Adaptive questions on exponents and roots.

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PreviousFractions, decimals, absolute value and the number line Next lessonPercents and percent change