**Additional Practice**

__Problem Solving__** (level of difficulty: 350 to 500) **

Product of primes (powers)

Ordering values (powers, fractions)

__Problem Solving__** (level of difficulty: 500 to 650) **

M = sum of various roots (roots)

k to the power of one-third (roots, powers)

Which one is negative? (powers)

Possible orderings (powers, inequalities)

Roots and powers (roots, powers)

__Problem Solving__** (level of difficulty: 650 to 800)**

12 to the power of n (powers, integer properties)

Powers of 5 and 2 (powers, algebra)

Equation with powers of 5 (powers, algebra)

Musical scale (powers, roots)

__Data Sufficiency__** (level of difficulty: 350 to 500)**

Roots of squares and vice versa (powers, roots)

__Data Sufficiency__** (level of difficulty: 500 to 650)**

5 to the kth power (powers, inequalities)

nth root of n (roots)

__Data Sufficiency__** (level of difficulty: 650 to 800)**

Variable a raised to the power of a (powers, integer properties)

a% of b% of c (powers, percent, integer properties)

Variable exponents (powers)

##

**Practice from the Official Guides**

**Official Guide for GMAT Review (2015 edition or 13th edition)**

Problem Solving: 9, 35, 52, 65, 100, 106, 111, 122, 146, 163, 170, 176, 180, 196, 217, 227

Data Sufficiency: 15, 52, 101, 157, 159, 169, 172

**Official Guide for GMAT Quantitative Review (2nd edition)**

Problem Solving: 36, 47, 55, 74, 86, 96, 97, 163, 170

Data Sufficiency: 31, 51, 54, 79, 81, 113

Track your progress by entering answers directly into our free, downloadable GMAT Prep Now Improvement Chart for the Official Guide (**2015 edition or 13th edition**)