The default meaning of the term divisible means that the result of dividing two integers is an integer. For example, 15 is divisible by 3, because 15 ÷ 3 = 5 (an integer) -14 is divisible by 2, because -14 ÷ 2 = -7 (an integer) -28 is divisible by -14 because -28 ÷...

Let's begin with a quick question. Which of the following are digits? 0 7 9 21 145.9 200 ?9 -100   A digit is any integer from 0 to 9. 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 are the ten digits. Digits are used to make numbers. In the earlier question: 21 is a two-digit...

Let's begin with an easy question. Is -3 greater than -7? Yes No Solution: -3 is greater than -7. Let's discuss how!   Writing numbers down on a Number Line makes it easy to tell which numbers are greater or lesser. A number on the left is less than a number on...

The absolute value of a number means how far that number is from zero on the number line. Questions also uses terms like "magnitude" or "modulus" to represent the absolute value of a number.     "6" is 6 away from zero,and "?6" is also 6 away from...

Positive: any number that is greater than zero.  For example, 0.5, 3/4, 5, 190, 908.9 It may also be written with a "+" in front, like +5. The word "positive" can be shortened to "+ve". Negative: any number that is smaller...

On the GRE students get confused on the order of operations like addition, subtraction, multiplication, and division. It is known by many different names such as BODMAS, DMAS, and PEMDAS.

This article contains some basic mathematical definitions of terms normally encountered. Real Numbers (Numbers), Integers.