Classifying Real Numbers Review

Front

What are the four main classifications of real numbers?

Back

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

Front

Define a natural number.

Back

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

Front

What is a whole number?

Back

Whole numbers are non-negative integers including zero (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

0.25.

Front

Is 0.333... a rational number?

Back

Front

Back

0.111... (repeating).