Classifying numbers

The  exercise appears under the 8th grade (U.S.) Math Mission. This exercise practices classifying numbers.

Types of Problems
There is one type of problem in this exercise:
 * 1. What type of number is __?: This problem has a number, and the student is asked to find which type of number it is. There are 4 choices: whole number, integer, rational, or irrational.

Strategies

 * 1. Whole numbers are numbers that don't need to be represented with a fraction or decimal. Also, whole numbers cannot be negative.
 * 2. Integers are whole numbers but can also be negative.
 * 3. Rational numbers are numbers that can be expressed as a fraction of two integers.
 * 4. Irrational numbers are numbers that cannot be expressed as a fraction of two integers.

Real-life Applications
Knowledge of the types of numbers are essential to ensure success on this exercise.
 * 1. All four of these types of numbers are constantly seen in everyday media to bring information to consumers.