The Real Number System

Front

Classify the number: 0

Back

whole, integer, rational, real

Front

The √189 is between which two consecutive integers?

Back

13 and 14

Front

Classify the Number: 2.587

Back

rational, real

Front

An example of an integer is...

Back

-9

Front

The √30 is between which two consecutive integers?

Back

5 and 6

Front

Define a natural number.

Back

A natural number is a positive integer (1, 2, 3, ...).

Front

What is a whole number?

Back

Whole numbers are non-negative integers (0, 1, 2, 3, ...).

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

Define a rational number.

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

What is an irrational number?

Back

An irrational number cannot be expressed as a simple fraction; its decimal representation is non-repeating and non-terminating.