Classifying Real Numbers Review

Front

What are the four main types of real numbers?

Back

Natural numbers, Whole numbers, Integers, Rational numbers, and Irrational numbers.

Front

Define a natural number.

Back

Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...).

Front

What is a whole number?

Back

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

Front

What is an integer?

Back

Integers include all whole numbers and their negative counterparts (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

Define a rational number.

Back

Front

What is an irrational number?

Back

Front

Is 5 a rational number?

Back

Front

Back

The decimal representation is 0.111... (repeating).

Front

Is 0.89 a rational number?

Back

Front

What are the characteristics of integers?

Back

Integers can be positive, negative, or zero, and they do not include fractions or decimals.