Part II
Getting a Handle on Whole Numbers
You can use prime factorization to find the greatest common factor (GCF) of difficult numbers. To find out how, go to www.dummies.com/extras/basicmathandprealgebra
In this part…
- Add, subtract, multiply, and divide more complex calculations involving negative numbers, inequalities, exponents, square roots, and absolute value
- Build equations and evaluate expressions
- Understand arithmetic word problems
- Employ a few quick tricks to determine whether one number is divisible by another
- Find the factors and multiples of a number, and discover whether a number is prime or composite
- Calculate the greatest common factor (GCF) and the least common multiple (LCM) of a set of numbers
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