Chapter 8
Back to Basic Arithmetic
IN THIS CHAPTER
Working with whole numbers, including factors, multiples, and prime numbers
Using parts of numbers, including decimals, fractions, and percentages
Mastering ratios
Practicing some math problems
This chapter may take you back … all the way to middle school. Although many of the basic math concepts covered in this chapter are fairly simple, you may not have touched them for a while, and you do need a firm grasp of these for the Quantitative sections of the GRE. Fortunately, you’ve seen this stuff before, so this is a refresher.
This chapter covers most of the basic arithmetic concepts featured on the GRE, including whole numbers, units of measurement, decimals, fractions, percentages, and ratios. After reading this chapter and practicing these concepts, you’ll be good to go for any basic math question the GRE throws at you. Also, the math concepts in this chapter are the foundation blocks for the trickier GRE math questions.
Knowing Integers, Factors, and Multiples
GRE math questions may use some math terminology when referring ...
Get GRE For Dummies with Online Practice, 9th Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
